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

About this dataset

Context

The dataset tabulates the St. Johns 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 St. Johns 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 St. Johns County was 320,110, a 4.25% increase year-by-year from 2022. Previously, in 2022, St. Johns County population was 307,072, an increase of 4.71% compared to a population of 293,251 in 2021. Over the last 20 plus years, between 2000 and 2023, population of St. Johns County increased by 195,543. In this period, the peak population was 320,110 in the year 2023. The numbers suggest that the population has not reached its peak yet and is showing a trend of further growth. 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 St. Johns County is shown in this column.
• Year on Year Change: This column displays the change in St. Johns 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 St. Johns County Population by Year. You can refer the same here

Graph and download economic data for Resident Population in St. Johns County, FL (FLSTJO9POP) from 1970 to 2024 about St. Johns County, FL; Jacksonville; FL; residents; population; and USA.

About this dataset

Context

The dataset tabulates the data for the St. Johns County, FL population pyramid, which represents the St. Johns 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 St. Johns County, FL, is 28.4.
• Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for St. Johns County, FL, is 33.8.
• Total dependency ratio for St. Johns County, FL is 62.2.
• Potential support ratio, which is the number of youth (working age population) per elderly, for St. Johns County, FL is 3.0.

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 St. Johns County population analysis. Total expected values are 18 and are define above in the age groups section.
• Population (Male): The male population in the St. Johns County for the selected age group is shown in the following column.
• Population (Female): The female population in the St. Johns County for the selected age group is shown in the following column.
• Total Population: The total population of the St. Johns 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 St. Johns County Population by Age. You can refer the same here

Comprehensive demographic dataset for Rivertown, St. Johns, FL, 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, Median Age by Sex, Total Population (5-year estimate) in St. Johns County, FL (B01002001E012109) from 2009 to 2023 about St. Johns County, FL; Jacksonville; age; FL; 5-year; median; and USA.

Comprehensive demographic dataset for St. Johns Bluff, Jacksonville, FL, US including population statistics, household income, housing units, education levels, employment data, and transportation with year-over-year changes.

Comprehensive demographic dataset for St. Johns Golf & Country Club, St. Augustine, FL, US including population statistics, household income, housing units, education levels, employment data, and transportation with year-over-year changes.

Resident Population in St. Johns County, FL was 334.92800 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in St. Johns County, FL reached a record high of 334.92800 in January of 2024 and a record low of 31.03500 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in St. Johns County, FL - last updated from the United States Federal Reserve on December of 2025.

About this dataset

Context

The dataset tabulates the St. Johns 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 St. Johns County. The dataset can be utilized to understand the population distribution of St. Johns County by age. For example, using this dataset, we can identify the largest age group in St. Johns County.

Key observations

The largest age group in St. Johns County, FL was for the group of age 55-59 years with a population of 19,519 (7.35%), according to the 2021 American Community Survey. At the same time, the smallest age group in St. Johns County, FL was the 80-84 years with a population of 5,130 (1.93%). 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 St. Johns County is shown in this column.
• % of Total Population: This column displays the population of each age group as a proportion of St. Johns 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 St. Johns County Population by Age. You can refer the same here

Comprehensive demographic dataset for Countryside, St. Johns, FL, 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 Net County-to-County Migration Flow (5-year estimate) for St. Johns County, FL (DISCONTINUED) (NETMIGNACS012109) from 2009 to 2020 about St. Johns County, FL; Jacksonville; migration; flow; FL; Net; 5-year; and population.

Comprehensive demographic dataset for Durbin Crossing, St. Johns, FL, US including population statistics, household income, housing units, education levels, employment data, and transportation with year-over-year changes.

Comprehensive demographic dataset for St. John's Coalition, Pensacola, FL, US including population statistics, household income, housing units, education levels, employment data, and transportation with year-over-year changes.

Estimate, Median Age by Sex, Total Population (5-year estimate) in St. Johns County, FL was 44.00000 Years of Age in January of 2023, according to the United States Federal Reserve. Historically, Estimate, Median Age by Sex, Total Population (5-year estimate) in St. Johns County, FL reached a record high of 44.00000 in January of 2022 and a record low of 41.40000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimate, Median Age by Sex, Total Population (5-year estimate) in St. Johns County, FL - last updated from the United States Federal Reserve on November of 2025.

Graph and download economic data for Population Estimate, Total (5-year estimate) in St. Johns County, FL (B03002001E012109) from 2009 to 2023 about St. Johns County, FL; Jacksonville; estimate; FL; 5-year; persons; population; and USA.

Population Estimate, Total, Hispanic or Latino (5-year estimate) in St. Johns County, FL was 25354.00000 Persons in January of 2023, according to the United States Federal Reserve. Historically, Population Estimate, Total, Hispanic or Latino (5-year estimate) in St. Johns County, FL reached a record high of 25354.00000 in January of 2023 and a record low of 7801.00000 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 St. Johns County, FL - last updated from the United States Federal Reserve on November of 2025.

Comprehensive demographic dataset for Johns Creek, St. Augustine, FL, US including population statistics, household income, housing units, education levels, employment data, and transportation with year-over-year changes.

Comprehensive demographic dataset for Glen St Johns, St. Augustine, FL, 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 Percent of Population Below the Poverty Level (5-year estimate) in St. Johns County, FL (S1701ACS012109) from 2012 to 2023 about St. Johns County, FL; Jacksonville; poverty; FL; percent; 5-year; population; and USA.