Middlesex County, Massachusetts Population 2024

1,631,110

Middlesex County, Massachusetts's estimated 2024 population is 1,631,110 with a growth rate of 0.44% in the past year according to the most recent United States census data. Middlesex County, Massachusetts is the largest county in Massachusetts. The 2010 population was 1,507,694 and has seen a growth of 8.19% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20291,666,9007,1580.43%
20281,659,7427,1580.43%
20271,652,5847,1580.44%
20261,645,4267,1580.44%
20251,638,2687,1580.44%
20241,631,1107,1580.44%
20231,623,9527,1580.44%
20221,616,794-468-0.03%
20211,617,262-10,973-0.67%
20201,628,23516,9721.05%
20191,611,2632,7540.17%
20181,608,5093,7470.23%
20171,604,7629,1810.58%
20161,595,5819,4740.6%
20151,586,10710,5870.67%
20141,575,52014,8950.95%
20131,560,62517,4621.13%
20121,543,16318,1671.19%
20111,524,99617,3021.15%
20101,507,69400%
19901,398,46831,4342.3%
19801,367,034-30,234-2.16%
19701,397,268158,52612.8%
19601,238,742174,17316.36%
19501,064,56993,1799.59%
1940971,39036,4663.9%
1930934,924156,57220.12%
1920778,352108,43716.19%
1910669,915104,21918.42%
1900565,696134,52931.2%
1890431,167113,33735.66%
1880317,83043,47715.85%
1870274,35357,99926.81%
1860216,35454,97134.06%
1850161,38354,77251.38%
1840106,61128,65036.75%
183077,96116,48926.82%
182061,4728,68316.45%
181052,7895,86112.49%
180046,9284,1919.81%
179042,737-1,624,163-97.44%
2024 Growth Rate
0.44% (7,158)
2020 Population
1,628,235
Area
818 mi²
Density
1994 people/mi²
Growth Since 2020
0.18% (2,875)
Founded
May 10, 1643

Population by Race

Race
Population
Percentage (of total)
White1,154,43771.13%
Asian210,78412.99%
Two or more races112,8616.95%
Black or African American81,8375.04%
Other race59,6863.68%
Native American2,7530.17%
Native Hawaiian or Pacific Islander7510.05%

White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Middlesex County, Massachusetts Population by Race

Middlesex County, Massachusetts Population Pyramid 2024

Middlesex County, Massachusetts Median Age

38.8

Total

37.6

Male

39.8

Female

Middlesex County, Massachusetts Adults

There are 1,306,044 adults, (255,404 of whom are seniors) in Middlesex County, Massachusetts.

Middlesex County, Massachusetts Age Dependency

54.5

Age Dependency Ratio

24.3

Old Age Dependency Ratio

30.2

Child Dependency Ratio

Middlesex County, Massachusetts Sex Ratio

Female820,83950.57%
Male802,27049.43%

Middlesex County, Massachusetts Population by Age

Middlesex County, Massachusetts Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All629,7752.4961.538.5
Married316,1633.1979.420.6
Non Family231,9951.3840.559.5
Female57,6202.9650.749.3
Male23,9972.9654.545.5

3.07

Average Family Size

2.49

Average Household Size

61.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Middlesex County, Massachusetts Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade37,1823.25%
Associates Degree66,0295.77%
Bachelors Degree330,38628.85%
Graduate Degree339,16429.62%
High School Graduate201,85117.63%
Less Than 9th Grade38,1223.33%
Some College132,43611.56%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Middlesex County, Massachusetts Educational Attainment by Sex (over 25)

Middlesex County, Massachusetts Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White821,761790,269496,079
Asian146,097131,732103,652
Hispanic79,27060,55126,970
2+ Races59,44650,81927,961
Black52,33046,93721,118
Other Race38,21828,20410,164
Native American1,7831,342428
Islander480468143

The highest rate of high school graduation is among islander people with a rate of 97.5%.

The highest rate of bachelors degrees is among asian people with a rate of 70.95%.

Middlesex County, Massachusetts Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$82,462$97,796$67,539
Graduate Degree$107,063$132,238$89,825
High School Graduate$45,399$53,665$34,696
Less Than 9th Grade$34,018$40,674$26,921
Overall$73,215$85,814$61,857
Some College$53,208$62,283$44,666

$73,215

Average Earnings

$85,814

Average Male

$61,857

Average Female

Middlesex County, Massachusetts Earnings by Educational Attainment

Middlesex County, Massachusetts Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Middlesex County, Massachusetts Language

72.28% of Middlesex County, Massachusetts residents speak only English, while 27.72% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 12.05% of the population.

Middlesex County, Massachusetts Language

Middlesex County, Massachusetts Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White1,079,75261,1195.66%
Hispanic131,00120,70615.81%
Asian202,80117,2508.51%
Multiple109,04411,50710.55%
Black77,49610,66113.76%
Other57,3717,92913.82%
Native2,65949318.54%
Islander6607511.36%

7.44%

Overall Poverty Rate

6.85%

Male Poverty Rate

8.02%

Female Poverty Rate

Poverty in Middlesex County, Massachusetts

The race most likely to be in poverty in Middlesex County, Massachusetts is Native, with 18.54% below the poverty level.

The race least likely to be in poverty in Middlesex County, Massachusetts is White, with 5.66% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.03%. Among those working part-time, it was 9.29%, and for those that did not work, the poverty rate was 17.58%.

Middlesex County, Massachusetts Poverty

rate

Rate
Poverty
Less Than 9th Grade18.52%
High School11.89%
Some College8.1%
Bachelors or Greater3.42%

Middlesex County, Massachusetts Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed16.87%
Male Unemployed15%
Female Employed3.79%
Male Employed2.61%

Middlesex County, Massachusetts Poverty Rate by Employment Status and Sex

Middlesex County, Massachusetts Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$153,239$198,974
Households$121,304$164,118
Married Families$174,905$223,714
Non Families$72,772$99,279

mean

median

Income by Household Type

Middlesex County, Massachusetts Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

49.9%

Overall Marriage Rate

51.8%

Male Marriage Rate

48.0%

Female Marriage Rate

Middlesex County, Massachusetts Married by Age and Sex

male

female

Middlesex County, Massachusetts Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Middlesex County, Massachusetts Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Middlesex County, Massachusetts Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

48,667

Number of Veterans

45,247

Male Veterans

3,420

Female Veterans

War
Veterans
Vietnam16,583
Second Gulf War8,810
First Gulf War7,709
Korea5,177
World War II1,676

Middlesex County, Massachusetts Veterans by War

count

Age Group
Veterans
75+17,318
65 to 7411,280
35 to 548,898
55 to 647,310
18 to 343,861

Middlesex County, Massachusetts Veterans by Age

count

Name
Veterans
% of Total
White43,5524.57%
Hispanic1,9282%
Black1,7182.77%
Asian1,3680.81%
2+ Races1,3231.84%
Other Race6311.38%
Native American642.95%
Islander111.75%

Middlesex County, Massachusetts Veterans by Race

Middlesex County, Massachusetts Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.33%

Veteran Poverty Rate

28.54%

Veteran Disability Rate

Middlesex County, Massachusetts Veterans by Education

LaborForceParticipation

69.9%

Labor Force Participation

66.7%

Employment Rate

4.4%

Unemployment Rate

Middlesex County, Massachusetts Employment by Age

LaborForceParticipation

Middlesex County, Massachusetts Employment by Race

LaborForceParticipation

Middlesex County, Massachusetts Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

53.19%

Born in Middlesex County, Massachusetts

77.76%

Native Born

22.24%

Foreign Born

10.9%

Non Citizen

11.35%

Naturalized

Place of Birth

77.76% of Middlesex County, Massachusetts residents were born in the United States, with 53.19% having been born in Massachusetts. 10.9% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Middlesex County, Massachusetts Place of Birth

Sources