36,209 people live in Chelmsford, where the median age is 44 and the average individual income is $61,001. Data provided by the U.S. Census Bureau.
Total Population
Median Age
Population Density Population Density This is the number of people per square mile in a neighborhood.
Average individual Income
Chelmsford offers a comfortable, well-rounded suburban experience with a strong sense of history and community pride. Centered around its classic New England common, the town blends local charm with practical amenities, making it a popular and accessible place to settle.
Its diverse neighborhoods, respected schools, and active recreation programs create an environment that feels both established and energetic. From Heart Pond to the Bruce Freeman Rail Trail, Chelmsford provides abundant opportunities to enjoy the outdoors year-round.
Convenient to Boston, Lowell, and major commuting routes, Chelmsford offers a balanced, friendly lifestyle rooted in accessibility, tradition, and community connection.
Chelmsford has 13,494 households, with an average household size of 3. Data provided by the U.S. Census Bureau. Here’s what the people living in Chelmsford do for work — and how long it takes them to get there. Data provided by the U.S. Census Bureau. 36,209 people call Chelmsford home. The population density is 1,971.565 and the largest age group is Data provided by the U.S. Census Bureau.
Total Population
Population Density Population Density This is the number of people per square mile in a neighborhood.
Median Age
Men vs Women
Population by Age Group
0-9 Years
10-17 Years
18-24 Years
25-64 Years
65-74 Years
75+ Years
Education Level
Total Households
Average Household Size
Average individual Income
Households with Children
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Marital Status
Blue vs White Collar Workers
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White Collar:
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