Chelmsford town, Middlesex County, Massachusetts
Hispanic or Latino, percent(b) 6.1%
People
Population
Population estimates, July 1, 2025, (V2025) 38,549
Population estimates, July 1, 2024, (V2024) 36,953
Population estimates base, April 1, 2020, (V2025) 36,373
Population estimates base, April 1, 2020, (V2024) 36,373
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 6.0%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) 1.6%
Population, Census, April 1, 2020 36,392
Population, Census, April 1, 2010 33,802
Age and Sex
Persons under 5 years, percent 5.1%
Persons under 18 years, percent 21.6%
Persons 65 years and over, percent 18.1%
Female persons, percent 51.4%
Race and Hispanic Origin
White alone, percent 78.2%
Black alone, percent(a) 1.9%
American Indian and Alaska Native alone, percent(a) 0.2%
Asian alone, percent(a) 10.8%
Native Hawaiian and Other Pacific Islander alone, percent(a) 0.0%
Two or More Races, percent 6.6%
Hispanic or Latino, percent(b) 6.1%
White alone, not Hispanic or Latino, percent 77.1%
Population Characteristics
Veterans, 2020-2024 1,304
Foreign-born persons, percent, 2020-2024 13.5%
Housing
Housing Units, July 1, 2025, (V2025) X
Owner-occupied housing unit rate, 2020-2024 82.1%
Median value of owner-occupied housing units, 2020-2024 $593,700
Median selected monthly owner costs - with a mortgage, 2020-2024 $2,983
Median selected monthly owner costs - without a mortage, 2020-2024 $1,194
Median gross rent, 2020-2024 $2,062
Building Permits, 2025 X
Families & Living Arrangements
Households, 2020-2024 13,450
Persons per household, 2020-2024 2.68
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 91.7%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 17.2%
Computer and Internet Use
Households with a computer, percent, 2020-2024 97.5%
Households with a broadband Internet subscription, percent, 2020-2024 95.2%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 93.8%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 52.8%
Health
With a disability, under age 65 years, percent, 2020-2024 7.9%
Persons without health insurance, under age 65 years, percent 1.3%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 68.8%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 65.4%
Total accommodation and food services sales, 2022 ($1,000)(c) 108,601
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 400,869
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 377,756
Total retail sales, 2022 ($1,000)(c) 527,190
Total retail sales per capita, 2022(c) $14,606
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 28.0
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $140,629
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $60,022
Persons in poverty, percent 4.7%
Businesses
Businesses
Total employer establishments, 2023 X
Total employment, 2023 X
Total annual payroll, 2023 ($1,000) X
Total employment, percent change, 2022-2023 X
Total nonemployer establishments, 2023 X
All employer firms, Reference year 2023 X
Male-owned employer firms, Reference year 2023 X
Female-owned employer firms, Reference year 2023 X
Minority-owned employer firms, Reference year 2023 X
Nonminority-owned employer firms, Reference year 2023 X
Veteran-owned employer firms, Reference year 2023 X
Nonveteran-owned employer firms, Reference year 2023 X
Geography
Geography
Population per square mile, 2020 1,626.0
Population per square mile, 2010 1,511.0
Land area in square miles, 2020 22.38
Land area in square miles, 2010 22.37
FIPS Code 2501713135