Graph and download economic data for Resident Population in Montgomery County, MD (MDMONT0POP) from 1970 to 2024 about Montgomery County, MD; Washington; MD; residents; population; and USA.

About this dataset

Context

The dataset tabulates the Montgomery County population over the last 20 plus years. It lists the population for each year, along with the year on year change in population, as well as the change in percentage terms for each year. The dataset can be utilized to understand the population change of Montgomery County across the last two decades. For example, using this dataset, we can identify if the population is declining or increasing. If there is a change, when the population peaked, or if it is still growing and has not reached its peak. We can also compare the trend with the overall trend of United States population over the same period of time.

Key observations

In 2023, the population of Montgomery County was 1.06 million, a 0.51% increase year-by-year from 2022. Previously, in 2022, Montgomery County population was 1.05 million, a decline of 0.30% compared to a population of 1.06 million in 2021. Over the last 20 plus years, between 2000 and 2023, population of Montgomery County increased by 180,644. In this period, the peak population was 1.06 million in the year 2020. The numbers suggest that the population has already reached its peak and is showing a trend of decline. Source: U.S. Census Bureau Population Estimates Program (PEP).

Content

When available, the data consists of estimates from the U.S. Census Bureau Population Estimates Program (PEP).

Data Coverage:

• From 2000 to 2023

Variables / Data Columns

• Year: This column displays the data year (Measured annually and for years 2000 to 2023)
• Population: The population for the specific year for the Montgomery County is shown in this column.
• Year on Year Change: This column displays the change in Montgomery County population for each year compared to the previous year.
• Change in Percent: This column displays the year on year change as a percentage. Please note that the sum of all percentages may not equal one due to rounding of values.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Montgomery County Population by Year. You can refer the same here

Graph and download economic data for Estimate, Median Age by Sex, Total Population (5-year estimate) in Montgomery County, MD (B01002001E024031) from 2009 to 2023 about Montgomery County, MD; age; Washington; MD; 5-year; median; and USA.

About this dataset

Context

The dataset tabulates the data for the Montgomery County, MD population pyramid, which represents the Montgomery County population distribution across age and gender, using estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates. It lists the male and female population for each age group, along with the total population for those age groups. Higher numbers at the bottom of the table suggest population growth, whereas higher numbers at the top indicate declining birth rates. Furthermore, the dataset can be utilized to understand the youth dependency ratio, old-age dependency ratio, total dependency ratio, and potential support ratio.

Key observations

• Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Montgomery County, MD, is 29.2.
• Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Montgomery County, MD, is 25.6.
• Total dependency ratio for Montgomery County, MD is 54.8.
• Potential support ratio, which is the number of youth (working age population) per elderly, for Montgomery County, MD is 3.9.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

Age groups:

• Under 5 years
• 5 to 9 years
• 10 to 14 years
• 15 to 19 years
• 20 to 24 years
• 25 to 29 years
• 30 to 34 years
• 35 to 39 years
• 40 to 44 years
• 45 to 49 years
• 50 to 54 years
• 55 to 59 years
• 60 to 64 years
• 65 to 69 years
• 70 to 74 years
• 75 to 79 years
• 80 to 84 years
• 85 years and over

Variables / Data Columns

• Age Group: This column displays the age group for the Montgomery County population analysis. Total expected values are 18 and are define above in the age groups section.
• Population (Male): The male population in the Montgomery County for the selected age group is shown in the following column.
• Population (Female): The female population in the Montgomery County for the selected age group is shown in the following column.
• Total Population: The total population of the Montgomery County for the selected age group is shown in the following column.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Montgomery County Population by Age. You can refer the same here

Comprehensive demographic dataset for Montgomery County, MD, US including population statistics, household income, housing units, education levels, employment data, and transportation with year-over-year changes.

Graph and download economic data for Estimate of Median Household Income for Montgomery County, MD (MHIMD24031A052NCEN) from 1989 to 2023 about Montgomery County, MD; Washington; MD; households; median; income; and USA.

About this dataset

Context

The dataset tabulates the data for the Montgomery County, MD population pyramid, which represents the Montgomery County population distribution across age and gender, using estimates from the U.S. Census Bureau American Community Survey 5-Year estimates. It lists the male and female population for each age group, along with the total population for those age groups. Higher numbers at the bottom of the table suggest population growth, whereas higher numbers at the top indicate declining birth rates. Furthermore, the dataset can be utilized to understand the youth dependency ratio, old-age dependency ratio, total dependency ratio, and potential support ratio.

Key observations

• Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Montgomery County, MD, is 29.5.
• Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Montgomery County, MD, is 24.0.
• Total dependency ratio for Montgomery County, MD is 53.5.
• Potential support ratio, which is the number of youth (working age population) per elderly, for Montgomery County, MD is 4.2.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Age groups:

• Under 5 years
• 5 to 9 years
• 10 to 14 years
• 15 to 19 years
• 20 to 24 years
• 25 to 29 years
• 30 to 34 years
• 35 to 39 years
• 40 to 44 years
• 45 to 49 years
• 50 to 54 years
• 55 to 59 years
• 60 to 64 years
• 65 to 69 years
• 70 to 74 years
• 75 to 79 years
• 80 to 84 years
• 85 years and over

Variables / Data Columns

• Age Group: This column displays the age group for the Montgomery County population analysis. Total expected values are 18 and are define above in the age groups section.
• Population (Male): The male population in the Montgomery County for the selected age group is shown in the following column.
• Population (Female): The female population in the Montgomery County for the selected age group is shown in the following column.
• Total Population: The total population of the Montgomery County for the selected age group is shown in the following column.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Montgomery County Population by Age. You can refer the same here

About this dataset

Context

The dataset tabulates the Montgomery County population distribution across 18 age groups. It lists the population in each age group along with the percentage population relative of the total population for Montgomery County. The dataset can be utilized to understand the population distribution of Montgomery County by age. For example, using this dataset, we can identify the largest age group in Montgomery County.

Key observations

The largest age group in Montgomery County, MD was for the group of age 35-39 years with a population of 75,318 (7.12%), according to the 2021 American Community Survey. At the same time, the smallest age group in Montgomery County, MD was the 80-84 years with a population of 18,956 (1.79%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Age groups:

• Under 5 years
• 5 to 9 years
• 10 to 14 years
• 15 to 19 years
• 20 to 24 years
• 25 to 29 years
• 30 to 34 years
• 35 to 39 years
• 40 to 44 years
• 45 to 49 years
• 50 to 54 years
• 55 to 59 years
• 60 to 64 years
• 65 to 69 years
• 70 to 74 years
• 75 to 79 years
• 80 to 84 years
• 85 years and over

Variables / Data Columns

• Age Group: This column displays the age group in consideration
• Population: The population for the specific age group in the Montgomery County is shown in this column.
• % of Total Population: This column displays the population of each age group as a proportion of Montgomery County total population. Please note that the sum of all percentages may not equal one due to rounding of values.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Montgomery County Population by Age. You can refer the same here

About this dataset

Context

The dataset tabulates the data for the Montgomery County, MD population pyramid, which represents the Montgomery County population distribution across age and gender, using estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates. It lists the male and female population for each age group, along with the total population for those age groups. Higher numbers at the bottom of the table suggest population growth, whereas higher numbers at the top indicate declining birth rates. Furthermore, the dataset can be utilized to understand the youth dependency ratio, old-age dependency ratio, total dependency ratio, and potential support ratio.

Key observations

• Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Montgomery County, MD, is 29.0.
• Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Montgomery County, MD, is 24.9.
• Total dependency ratio for Montgomery County, MD is 53.9.
• Potential support ratio, which is the number of youth (working age population) per elderly, for Montgomery County, MD is 4.0.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.

Age groups:

• Under 5 years
• 5 to 9 years
• 10 to 14 years
• 15 to 19 years
• 20 to 24 years
• 25 to 29 years
• 30 to 34 years
• 35 to 39 years
• 40 to 44 years
• 45 to 49 years
• 50 to 54 years
• 55 to 59 years
• 60 to 64 years
• 65 to 69 years
• 70 to 74 years
• 75 to 79 years
• 80 to 84 years
• 85 years and over

Variables / Data Columns

• Age Group: This column displays the age group for the Montgomery County population analysis. Total expected values are 18 and are define above in the age groups section.
• Population (Male): The male population in the Montgomery County for the selected age group is shown in the following column.
• Population (Female): The female population in the Montgomery County for the selected age group is shown in the following column.
• Total Population: The total population of the Montgomery County for the selected age group is shown in the following column.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Montgomery County Population by Age. You can refer the same here

This resource is a member of a series. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) System (MTS). The MTS represents a seamless national file with no overlaps or gaps between parts, however, each TIGER/Line shapefile is designed to stand alone as an independent data set, or they can be combined to cover the entire nation. The All Roads shapefile includes all features within the MTS Super Class "Road/Path Features" distinguished where the MAF/TIGER Feature Classification Code (MTFCC) for the feature in the MTS that begins with "S". This includes all primary, secondary, local neighborhood, and rural roads, city streets, vehicular trails (4wd), ramps, service drives, alleys, parking lot roads, private roads for service vehicles (logging, oil fields, ranches, etc.), bike paths or trails, bridle/horse paths, walkways/pedestrian trails, and stairways.

Graph and download economic data for Poverty Universe, Age 0-17 for Montgomery County, MD (PUA0T17MD24031A647NCEN) from 1998 to 2023 about Montgomery County, MD; Washington; MD; child; poverty; and USA.

Population Estimate, Total, Hispanic or Latino (5-year estimate) in Montgomery County, MD was 218219.00000 Persons in January of 2023, according to the United States Federal Reserve. Historically, Population Estimate, Total, Hispanic or Latino (5-year estimate) in Montgomery County, MD reached a record high of 218219.00000 in January of 2023 and a record low of 142509.00000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Hispanic or Latino (5-year estimate) in Montgomery County, MD - last updated from the United States Federal Reserve on November of 2025.

Dataset

This dataset was created by Lulu Wang

Contents

Resident Population in Montgomery County, MD was 1082.27300 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Montgomery County, MD reached a record high of 1082.27300 in January of 2024 and a record low of 522.80900 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Montgomery County, MD - last updated from the United States Federal Reserve on November of 2025.

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). The MTDB represents a seamless national file with no overlaps or gaps between parts, however, each TIGER/Line shapefile is designed to stand alone as an independent data set, or they can be combined to cover the entire nation. The All Roads Shapefile includes all features within the MTDB Super Class "Road/Path Features" distinguished where the MAF/TIGER Feature Classification Code (MTFCC) for the feature in MTDB that begins with "S". This includes all primary, secondary, local neighborhood, and rural roads, city streets, vehicular trails (4wd), ramps, service drives, alleys, parking lot roads, private roads for service vehicles (logging, oil fields, ranches, etc.), bike paths or trails, bridle/horse paths, walkways/pedestrian trails, stairways, and winter trails.

Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Montgomery County, MD was 427787.00000 Persons in January of 2023, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Montgomery County, MD reached a record high of 504617.00000 in January of 2009 and a record low of 427787.00000 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Montgomery County, MD - last updated from the United States Federal Reserve on November of 2025.

Graph and download economic data for Population Estimate, Total, Not Hispanic or Latino (5-year estimate) in Montgomery County, MD (B03002002E024031) from 2009 to 2023 about Montgomery County, MD; Washington; non-hispanic; MD; estimate; 5-year; persons; population; and USA.

Graph and download economic data for Unemployed Persons in Montgomery County, MD (LAUCN240310000000004) from Jan 1990 to Aug 2025 about Montgomery County, MD; Washington; MD; household survey; persons; unemployment; and USA.

Montgomery County, MD has a A wealth grade. Median household income: $128,995. Unemployment rate: 4.8%. Income grows 3.6% yearly.

Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Montgomery County, MD was 193539.00000 Persons in January of 2023, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Montgomery County, MD reached a record high of 193539.00000 in January of 2023 and a record low of 150771.00000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Montgomery County, MD - last updated from the United States Federal Reserve on November of 2025.