Chelmsford town, Massachusetts
Chelmsford town profile, demographic data, and geographic information.
Chelmsford town is a geographic entity located in Middlesex County, Massachusetts. As of official census estimates, it has a reported population of 38,549. The land area covers 22.38 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 38,549 | — | 2025 / Census |
| Median Age | 41.6 yrs | ±1.9 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 13,450 | ±489 | 2020-2024 / Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).
Housing & Real Estate Profile
| Housing Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Total Housing Units | 13,942 | ±454 |
| Occupied Housing Units | 13,450 | ±489 |
| Vacant Housing Units | 492 | ±218 |
| Median Home Value | $593,700 | ±$17,196 |
| Median Gross Rent | $2,062 | ±$151 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $140,629 | ±$8,110 |
| Per Capita Income | $60,022 | ±$3,244 |
| Poverty Rate | 4.7% | ±1.3% |
| Population Below Poverty Level | 1,716 | ±476 |
| Unemployment Rate | 5.3% | ±1.4% |
| Civilian Labor Force, Employed | 19,315 | ±808 |
| Broadband Internet Rate | 95.2% | ±4.8% |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
GUS Population: 36,953 (2024)
ID: 166522
|
Township | Official Local Government |
Contact: ASSISTATN TO TOWN MANAGER
50 BILLERICA RD, CHELMSFORD MA 01824-3102
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Chelmsford | KG-04 | Chelmsford, MA | |
| Regular School Chelmsford | KG-04 | Chelmsford, MA | |
| Regular School Chelmsford | 05-06 | Chelmsford, MA | |
| Regular School Chelmsford | PK | Chelmsford, MA | |
| Special Education School Chelmsford | PK-12 | Chelmsford, MA | |
| Regular School Chelmsford | 07-08 | Chelmsford, MA | |
| Regular School Chelmsford | KG-04 | Chelmsford, MA | |
| Regular School Nearby | 03-05 | Westford, MA | |
| Regular School Nearby | PK-04 | Lowell, MA | |
| Regular School Nearby | 09-12 | Nashua, NH |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
Greater Lowell Technical School
|
College Vocational | 4.0 mi away | 250 Pawtucket Blvd, Tyngsboro, MA, 01879 |
9784414870
|
|
CHELMSFORD PUBLIC LIBRARY
|
Library | 1.0 mi away | 25 BOSTON RD., CHELMSFORD, MA, 01824 |
(978) 256-5521
|
|
University of Massachusetts-Lowell
|
College | 4.4 mi away | 1 University Ave, Lowell, MA, 01854 |
9789344000
|
|
MACKAY BRANCH LIBRARY
|
Library | 2.9 mi away | 43 NEWFIELD STREET, NORTH CHELMSFORD, MA, 01863 |
(978) 256-5521
|
|
Lowell Academy Hairstyling Institute
|
College Vocational | 4.5 mi away | 136 Central St, Lowell, MA, 01852-1909 |
9784533235
|
|
J. V. FLETCHER LIBRARY
|
Library | 3.7 mi away | 50 MAIN ST., WESTFORD, MA, 01886 |
(978) 399-2300
|
|
Middlesex Community College
|
College | 7.0 mi away | 591 Springs Rd, Bedford, MA, 01730-9124 |
8008183434
|
|
SAMUEL S. POLLARD MEMORIAL LIBRARY
|
Library | 4.4 mi away | 401 MERRIMACK ST., LOWELL, MA, 01852 |
(978) 674-4120
|
|
EINE Inc
|
College Vocational | 7.6 mi away | 1501 Main St, Ste 50, Tewksbury, MA, 01876 |
9788514444
|
|
GLEASON PUBLIC LIBRARY
|
Library | 4.8 mi away | 22 BEDFORD ROAD, CARLISLE, MA, 01741 |
(978) 369-4898
|
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.
Climate & Weather Observations
NOAA Monthly Climate Normals
Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at LOWELL, MA US, located 3.0 miles from Chelmsford town. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 34.0° | 15.8° | 24.9° | 3.61" | — |
| February | 37.3° | 16.9° | 27.1° | 3.20" | — |
| March | 45.4° | 24.4° | 34.9° | 4.32" | — |
| April | 59.0° | 34.6° | 46.8° | 4.06" | — |
| May | 70.0° | 45.0° | 57.5° | 3.81" | — |
| June | 79.0° | 55.0° | 67.0° | 4.37" | — |
| July | 84.7° | 60.9° | 72.8° | 3.86" | — |
| August | 83.0° | 59.3° | 71.1° | 4.00" | — |
| September | 75.5° | 51.5° | 63.5° | 3.89" | — |
| October | 62.4° | 39.5° | 50.9° | 5.00" | — |
| November | 50.5° | 30.3° | 40.4° | 3.85" | — |
| December | 39.8° | 22.1° | 31.0° | 4.54" | — |
Source: NOAA U.S. Climate Normals (1991–2020).
Local Weather Forecast
Weather forecast data is currently unavailable in the local cache.
Nearby Cities & Communities
Listing adjacent communities by spatial proximity (miles)
Proximity discovery
| Community Name | Classification | Distance | Population |
|---|---|---|---|
| Lowell city | City | 3.8 mi | — |
| Littleton Common CDP | CDP | 6.8 mi | — |
| Pinehurst CDP | CDP | 8.2 mi | — |
| Groton CDP | CDP | 10.0 mi | — |
| West Concord CDP | CDP | 10.2 mi | — |
| Hanscom AFB CDP | CDP | 10.6 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 2501713135. • Official Source Dataset →
- Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
- Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.