County

Middlesex County

Massachusetts

1,638,365 population$130,847 median income1,319,500 voting age0 active campaigns

Loading map...

Officials Representing Middlesex County

US Senate

US House

Ayanna Pressley

Democrat

U.S. House · District 7

Jake Auchincloss

Democrat

U.S. House · District 4

Jim McGovern

Democrat

U.S. House · District 2

Katherine M. Clark

Democrat

U.S. House · District 5

Lori Trahan

Democrat

U.S. House · District 3

Seth Moulton

Democrat

U.S. House · District 6

Congressional District Coverage

Middlesex County is 50% in MA Congressional District 3, 25% in MA Congressional District 5, 12% in MA Congressional District 6, 7% in MA Congressional District 2, and 5% across 2 other districts.

Area-weighted; population-weighted shares may differ in counties with large urban/rural density splits.

Median Income

$130,847

↑ 26%vs $103,960

Bachelor's+

59.5%

↑ 26%vs 47.3%

Under 18

19.5%

≈ Massachusetts

Owner-Occupied

61.3%

↓ 2%vs 62.5%

White (non-Hispanic)

66.8%

↔ 3%vs 68.6%

Demographics

American Community Survey 2024 5-year estimates

Race & Ethnicity

White66.8%

Hispanic/Latino9.3%

Black4.9%

Asian13.7%

Two or More10.0%

Other4.7%

Income & Economy

Median Household Income$130,847

Per Capita Income$69,556

Poverty Rate7.7%

Unemployment4.3%

Education

High School+93.2%

Bachelor's+59.5%

Housing

Median Home Value$727,800

Median Rent$2,201

Owner-Occupied61.3%

Health Insurance

Uninsured2.4%

Age Distribution

Under 1819.5%

65 and Over16.3%

Median Age38.9