About this dataset

Context

The dataset presents median household incomes for various household sizes in Middlesex County, MA, as reported by the U.S. Census Bureau. The dataset highlights the variation in median household income with the size of the family unit, offering valuable insights into economic trends and disparities within different household sizes, aiding in data analysis and decision-making.

Key observations

• Of the 7 household sizes (1 person to 7-or-more person households) reported by the census bureau, all of the household sizes were found in Middlesex County. Across the different household sizes in Middlesex County the mean income is $155,165, and the standard deviation is $49,933. The coefficient of variation (CV) is 32.18%. This high CV indicates high relative variability, suggesting that the incomes vary significantly across different sizes of households.
• In the most recent year, 2021, The smallest household size for which the bureau reported a median household income was 1-person households, with an income of $54,872. It then further increased to $189,831 for 7-person households, the largest household size for which the bureau reported a median household income.

https://i.neilsberg.com/ch/middlesex-county-ma-median-household-income-by-household-size.jpeg" alt="Middlesex County, MA median household income, by household size (in 2022 inflation-adjusted dollars)">

Content

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

Household Sizes:

• 1-person households
• 2-person households
• 3-person households
• 4-person households
• 5-person households
• 6-person households
• 7-or-more-person households

Variables / Data Columns

• Household Size: This column showcases 7 household sizes ranging from 1-person households to 7-or-more-person households (As mentioned above).
• Median Household Income: Median household income, in 2022 inflation-adjusted dollars for the specific household size.

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 Middlesex County median household income. You can refer the same here

Graph and download economic data for Housing Inventory: Median Home Size in Square Feet Month-Over-Month in Middlesex County, MA (MEDSQUFEEMM25017) from Jul 2017 to Oct 2025 about Middlesex County, MA; Boston; MA; square feet; median; and USA.

About this dataset

Context

The dataset tabulates the median household income in Middlesex County. It can be utilized to understand the trend in median household income and to analyze the income distribution in Middlesex County by household type, size, and across various income brackets.

Content

The dataset will have the following datasets when applicable

Please note: The 2020 1-Year ACS estimates data was not reported by the Census Bureau due to the impact on survey collection and analysis caused by COVID-19. Consequently, median household income data for 2020 is unavailable for large cities (population 65,000 and above).

• Middlesex County, MA Median Household Income Trends (2010-2021, in 2022 inflation-adjusted dollars)
• Median Household Income Variation by Family Size in Middlesex County, MA: Comparative analysis across 7 household sizes
• Income Distribution by Quintile: Mean Household Income in Middlesex County, MA
• Middlesex County, MA households by income brackets: family, non-family, and total, in 2022 inflation-adjusted dollars

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/.

Interested in deeper insights and visual analysis?

Explore our comprehensive data analysis and visual representations for a deeper understanding of Middlesex County median household income. You can refer the same here

Housing Inventory: Median Home Size in Square Feet in Middlesex County, MA was 2084.00000 Level in September of 2025, according to the United States Federal Reserve. Historically, Housing Inventory: Median Home Size in Square Feet in Middlesex County, MA reached a record high of 2398.00000 in March of 2017 and a record low of 1802.00000 in February of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for Housing Inventory: Median Home Size in Square Feet in Middlesex County, MA - last updated from the United States Federal Reserve on November of 2025.

Housing Inventory: Median Home Size in Square Feet Year-Over-Year in Middlesex County, MA was -3.02% in September of 2025, according to the United States Federal Reserve. Historically, Housing Inventory: Median Home Size in Square Feet Year-Over-Year in Middlesex County, MA reached a record high of 16.57 in February of 2023 and a record low of -19.24 in March of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for Housing Inventory: Median Home Size in Square Feet Year-Over-Year in Middlesex County, MA - last updated from the United States Federal Reserve on October of 2025.

.Table NameGeography Area Series: County Business Patterns: 2012 .Release ScheduleThe data in this file were released on June 26, 2014..Key Table InformationBeginning with reference year 2007, CBP data are released using the Noise Infusion method of disclosure avoidance to protect confidentiality. See Survey Methodology for complete information on the coverage and methodology of the County Business Patterns data series. .UniverseThe universe of this file is all operating establishments with one or more paid employees. This universe includes most establishments classified in the North American Industry Classification System (NAICS) Codes 11 through 813990. For specific exclusions and inclusions, see Industry Classification of Establishments. .Geography CoverageThe data are shown at the U.S. level and by State, County, and Metropolitan/Micropolitan Statistical Area (MSA). Also available are data for the District of Columbia, Puerto Rico, and the Island Areas (American Samoa, Guam, the Commonwealth of the Northern Mariana Islands, and the U.S. Virgin Islands) at the state and county equivalent levels. .Industry CoverageThe data are shown at the 2- through 6-digit NAICS code levels for all sectors with published data. .Data Items and Other Identifying RecordsThis file contains data on the number of establishments, paid employees (for the pay period including March 12), first quarter payroll and annual payroll. .Sort OrderData are presented in ascending geography by NAICS code sequence. .FTP DownloadDownload the entire table at http://www2.census.gov/econ2012/CB/sector00/CB1200CBP.zip. .Contact InformationU.S. Census Bureau Economy-Wide Statistics Division Business Statistics Branch Tel: (301)763-2580 Email: ewd.county.business.patterns@census.gov ..Data User Notice posted on February 9, 2016: Census Bureau staff identified a processing error that affects selected data from the 2012 and 2013 County Business Patterns (CBP). As a result, we revised 2012 and 2013 employment and payroll totals in the Educational Services sector (Sector 61) for the following geographies: Massachusetts; New Mexico; Boston-Cambridge-Newton, MA-NH metro area; Albuquerque, NM metro area; Middlesex County, MA; and Bernalillo County, NM. This processing error did not affect other sectors or states. This processing error was not corrected on data.census.gov or API until November 5, 2020..NOTE: Data based on the 2012 County Business Patterns. CBP html tables and download files can be found at the County Business Patterns Website..For information on confidentiality protection, sampling error, nonsampling error, and definitions, see Survey Methodology..Data in this table represent those available when this report was created; data may not be available for all NAICS industries or geographies. Excludes most government employees, railroad employees, and self-employed persons..Source: U.S. Census Bureau, 2012 County Business Patterns.