Middlesex County, Massachusetts Population 2023

1,670,678

Middlesex County, Massachusetts's estimated 2023 population is 1,670,678 with a growth rate of 0.78% 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 1,503,085 and has seen a growth of 11.15% since that time.

Note: data after 2021 is projected based on recent change
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Middlesex County, Massachusetts Population 2023

Population by Race

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White

Asian

Black or African American

Two or more races

Other race

Native American

Native Hawaiian or Pacific Islander

Middlesex County, Massachusetts Population by Race

Middlesex County, Massachusetts Population Pyramid 2023

Middlesex County, Massachusetts Median Age

38.5

Total

37.2

Male

39.8

Female

Middlesex County, Massachusetts Adults

There are 1,287,958 adults, (245,533 of whom are seniors) in Middlesex County, Massachusetts.

Middlesex County, Massachusetts Age Dependency

54.1

Age Dependency Ratio

23.6

Old Age Dependency Ratio

30.5

Child Dependency Ratio

Middlesex County, Massachusetts Sex Ratio

Female819,33851.02%
Male786,56148.98%

Middlesex County, Massachusetts Population by Age

Middlesex County, Massachusetts Renter vs Owner Occupied by Household Type

3.1

Average Family Size

2.53

Average Household Size

62.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Middlesex County, Massachusetts Households and Families

Male

Female

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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

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The highest rate of high school graduation is among white people with a rate of 82.15%.

The highest rate of bachelors degrees is among asian people with a rate of 58.42%.

Middlesex County, Massachusetts Educational Attainment by Race

All

Male

Female

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$62,695

Average Earnings

$74,372

Average Male

$52,311

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

73.38% of Middlesex County, Massachusetts residents speak only English, while 26.62% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 11.66% of the population.

Middlesex County, Massachusetts Language

Middlesex County, Massachusetts Poverty by Race

rate

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8.36%

Overall Poverty Rate

6.64%

Male Poverty Rate

7.83%

Female Poverty Rate

Poverty in Middlesex County, Massachusetts

The race most likely to be in poverty in Middlesex County, Massachusetts is Native, with 34.56% below the poverty level.

The race least likely to be in poverty in Middlesex County, Massachusetts is White, with 5.91% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.92%. Among those working part-time, it was 9.1%, and for those that did not work, the poverty rate was 17.12%.

Middlesex County, Massachusetts Poverty

rate

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Middlesex County, Massachusetts Poverty Rate by Education

rate

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Middlesex County, Massachusetts Poverty Rate by Employment Status and Sex

Middlesex County, Massachusetts Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Middlesex County, Massachusetts Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

50.0%

Overall Marriage Rate

51.6%

Male Marriage Rate

48.6%

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 55-64, 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

54,833

Number of Veterans

51,191

Male Veterans

3,642

Female Veterans

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Middlesex County, Massachusetts Veterans by War

count

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Middlesex County, Massachusetts Veterans by Age

count

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Middlesex County, Massachusetts Veterans by Race

Middlesex County, Massachusetts Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.52%

Veteran Poverty Rate

29.71%

Veteran Disability Rate

Middlesex County, Massachusetts Veterans by Education

LaborForceParticipation

70.1%

Labor Force Participation

67%

Employment Rate

4.2%

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

53.21%

Born in Middlesex County, Massachusetts

77.49%

Native Born

20.91%

Foreign Born

10.42%

Non Citizen

10.49%

Naturalized

Place of Birth

77.49% of Middlesex County, Massachusetts residents were born in the United States, with 53.21% having been born in Massachusetts. 10.42% 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