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Chelmsford town, Middlesex County, MA

36,271 Population
22.4 square miles 1,620.5 people per square mile

Census data: ACS 2021 5-year unless noted

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Demographics

42.7 ±1.5 Median age
  • about 10 percent higher than the figure in Middlesex County: 38.5 ±0.1
  • about 10 percent higher than the figure in Massachusetts: 39.6 ±0.1

Economics

$53,430 ±$2,705 Per capita income
  • about 90 percent of the amount in Middlesex County: $58,399 ±$506
  • about 10 percent higher than the amount in Massachusetts: $48,617 ±$231
$123,630 ±$7,518 Median household income
  • about 10 percent higher than the amount in Middlesex County: $111,790 ±$1,032
  • about 1.4 times the amount in Massachusetts: $89,026 ±$495

4.4% ±1.4% (1,574  ±503) Persons below poverty line
  • about three-fifths of the rate in Middlesex County: 7.4% 116,510 (±0.3% / ±4,912)
  • about two-fifths of the rate in Massachusetts: 9.9% 668,780 (±0.2% / ±11,582)

29.6 minutes ±2.4 (462,900  ±25,608) Mean travel time to work
  • a little less than the figure in Middlesex County: 30.7 22,856,284 (±0.2 / ±240,210)
  • about the same as the figure in Massachusetts: 29.6 93,753,936 (±0.1 / ±545,814)

Families

13,628 ±452 Number of households
  • Middlesex County: 624,335 ±1,904
  • Massachusetts: 2,714,448 ±4,158
2.7 ±0.1 (36,113  ±106) Persons per household
  • a little higher than the figure in Middlesex County: 2.5 1,565,505 (±0 / ±1,879)
  • about 10 percent higher than the figure in Massachusetts: 2.5 6,744,826

6.7% ±3.6% (529  ±283) Women 15-50 who gave birth during past year
  • about 1.5 times the rate in Middlesex County: 4.6% 18,701 (±0.3% / ±1,016)
  • about 1.5 times the rate in Massachusetts: 4.5% 75,648 (±0.1% / ±2,253)

Housing

14,043 ±426 Number of housing units
  • Middlesex County: 653,621 ±718
  • Massachusetts: 2,979,634 ±699

$443,500 ±$10,368 Median value of owner-occupied housing units
  • about three-quarters of the amount in Middlesex County: $575,500 ±$2,871
  • a little higher than the amount in Massachusetts: $424,700 ±$1,321

9.6% ±1.8% (3,450  ±652.7) Moved since previous year
  • about two-thirds of the rate in Middlesex County: 13.6% 217,905 (±0.3% / ±5,345.5)
  • about three-quarters of the rate in Massachusetts: 12.5% 862,370 (±0.2% / ±11,414.3)

Social

96.7% ±3.8% (25,073  ±1,182.3) High school grad or higher
  • a little higher than the rate in Middlesex County: 93.6% 1,069,079 (±0.7% / ±7,651.5)
  • a little higher than the rate in Massachusetts: 91.2% 4,469,653 (±0.3% / ±16,460.8)
53.3% ±2.6% (13,814  ±765.6) Bachelor's degree or higher
  • about 90 percent of the rate in Middlesex County: 57.8% 659,984 (±0.5% / ±5,528.6)
  • about 20 percent higher than the rate in Massachusetts: 45.2% 2,216,349 (±0.2% / ±11,163)

N/A Persons with language other than English spoken at home

11.3% ±1.6% (4,082  ±562) Foreign-born population
  • about half the rate in Middlesex County: 21.9% 355,581 (±0.3% / ±5,198)
  • about two-thirds of the rate in Massachusetts: 17.3% 1,209,717 (±0.2% / ±10,227)

4.8% ±0.8% (1,382  ±216) Population with veteran status
  • about 25 percent higher than the rate in Middlesex County: 3.9% 51,113 (±0.1% / ±1,636)
  • a little less than the rate in Massachusetts: 5% 277,442 (±0.1% / ±3,409)
1,382 Total veterans ±216 1,262 Male ±205 120 Female ±100

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