Chelmsford, Massachusetts

Quick Statistics

Chelmsford is a community in Middlesex County, Massachusetts, home to about 33,802 people spread across 22.4 square miles of land. About 97.6% of residents under 65 have health insurance.

33,802
Total Population
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22.40 sq. mi.
Total Land Area
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$0
Median Personal Income
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$0
Median Home Value
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0.0%
College Educated
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97.6%
Have Health Insurance
▲ up 2.1 points since 2010
More Health & Safety

Summers around Chelmsford typically top out near 87°F in July, while January nights average about 15°F. The area sees roughly 59 inches of snow a year. Full normals are on the climate page.

Towns Near Chelmsford
# Town Distance Population
1.Lowell, MA3.6 mi.118,368
2.Westford, MA3.9 mi.21,951
3.Carlisle, MA5.0 mi.4,852
4.Billerica, MA5.8 mi.40,243
5.Dracut, MA5.9 mi.29,457
6.Tewksbury, MA6.8 mi.28,961
7.Dunstable, MA7.8 mi.3,179
8.Acton, MA8.6 mi.21,924
Frequently Asked Questions About Chelmsford

What is the population of Chelmsford, Massachusetts?
Chelmsford has a population of about 33,802 people, according to the latest Census Bureau estimates.

What county is Chelmsford, Massachusetts in?
Chelmsford is located in Middlesex County, Massachusetts.

How many tornadoes have hit near Chelmsford, Massachusetts?
Since 1950, 20 tornadoes have been recorded in Middlesex County. See the tornado page for maps and details of each one.

What is the weather like in Chelmsford, Massachusetts?
Typical July highs run about 87 degrees and January lows about 15 degrees, with around 59 inches of snow a year. Figures are 30-year NOAA climate normals.

Use the menu on the left to find more detailed statistics on Chelmsford, Massachusetts.