US Census Data

Middlesex County, Massachusetts

36 cities & places have their primary county here.

Population
1,622,896
+1.4%’19–’23
Median household income
$126,779
+23.6%’19–’23
Median home value
$687,200
+37.2%’19–’23

Middlesex County, Massachusetts counts 1,622,896 residents. 36 cities and places have their primary county here. At $126,779, its median household income sits above Massachusetts's $101,341.

From 2019 to 2023, Middlesex County's population grew 1.4% from 1,600,842 to 1,622,896, while its median household income rose 23.6% from $102,603 to $126,779.

The typical home was built around 1961. 7.5% of residents live below the poverty line.

Demographics

ACS 2019–2023
Population
1,622,896
Median age
38.9 yrs
Median household income
$126,779
Median home value
$687,200
Median gross rent
$2,126
Housing units
660,814
Homeownership rate
61.6%
Bachelor's degree or higher
59.0%
Unemployment rate
4.2%

Trends

ACS 5-year · 2019–2023
Population
1,600,8421,622,896
Median household income
$102,603$126,779
Median home value
$500,700$687,200
Median gross rent
$1,636$2,126
YearPopulationMedian household incomeMedian home valueMedian gross rent
20191,600,842$102,603$500,700$1,636
20201,605,899$106,202$540,300$1,714
20211,623,411$111,790$575,500$1,815
20221,623,109$121,304$654,300$2,004
20231,622,896$126,779$687,200$2,126

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 582,5495.1%
5 to 17235,91914.5%
18 to 24155,4109.6%
25 to 34245,17315.1%
35 to 44224,30713.8%
45 to 54208,10912.8%
55 to 64211,83913.1%
65 to 74151,1479.3%
75 and over108,4436.7%

Race & ethnicity

CountShare
White (non-Hispanic)1,081,87866.7%
Black or African American78,0744.8%
American Indian & Alaska Native1,1270.1%
Asian213,22413.1%
Native Hawaiian & Pacific Islander5710.0%
Some other race21,5021.3%
Two or more races80,6525.0%
Hispanic or Latino (any race)145,8689.0%

Educational attainment (age 25+)

CountShare
No high school diploma75,4226.6%
High school graduate200,89317.5%
Some college or associate's194,93517.0%
Bachelor's degree330,51328.8%
Graduate or professional degree347,25530.2%

Commute to work

Mean travel time to work
30 min

How workers get to work

CountShare
Drove alone493,82256.0%
Carpooled56,1926.4%
Public transit70,1458.0%
Walked37,3794.2%
Bicycle13,8841.6%
Worked from home196,18322.2%
Other means14,3541.6%

Travel time

CountShare
Under 15 min128,68718.8%
15 to 29 min222,57532.5%
30 to 44 min178,73726.1%
45 to 59 min79,28311.6%
60+ min76,49411.2%

Households

Average household size
2.48
Poverty rate
7.5% (118,146 of 1,571,906)
CountShare
Family households399,40163.3%
Nonfamily households231,53836.7%

Housing

Median year structure built
1961

Occupancy

CountShare
Occupied630,93995.5%
Vacant29,8754.5%

Tenure (of occupied units)

CountShare
Owner-occupied388,86461.6%
Renter-occupied242,07538.4%

Units in structure

CountShare
1-unit, detached310,07346.9%
1-unit, attached45,7536.9%
2 to 4 units136,39820.6%
5 to 19 units64,3269.7%
20 or more units101,36715.3%
Mobile home & other2,8970.4%

Geography

County GEOID
25017
State
Massachusetts
Land area
818 sq mi
Water area
29 sq mi
Center point
42.4817, -71.3949

Cities & places

36

Compare with nearby counties

5

Massachusetts rankings

21

Other counties in Massachusetts

13