Waltham, Massachusetts Population 2022

66,136
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Waltham is a city located in Middlesex County Massachusetts. With a 2020 population of 66,136, it is the 16th largest city in Massachusetts and the 627th largest city in the United States. Waltham is currently growing at a rate of 0.70% annually and its population has increased by 1.41% since the most recent census, which recorded a population of 65,218 in 2020. Spanning over 14 miles, Waltham has a population density of 5,190 people per square mile.

The average household income in Waltham is $115,461 with a poverty rate of 9.20%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Waltham is 34.3 years, 34.1 years for males, and 34.5 years for females.

Waltham Demographics

According to the most recent ACS, the racial composition of Walthamwas:

  • White: 70.50%
  • Asian: 11.79%
  • Black or African American: 7.59%
  • Other race: 5.26%
  • Two or more races: 4.35%
  • Native American: 0.48%
  • Native Hawaiian or Pacific Islander: 0.04%
The current population of Waltham, Massachusetts is 66,136 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 65,218.

Waltham, Massachusetts Population 2022

Population by Race

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Waltham Population by Race

Waltham Population Pyramid 2022

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Waltham Median Age

34.3


Total

33.8


Male

35


Female

Waltham Adults

There are 54,042 adults, (9,083 of whom are seniors) in Waltham.

Waltham Age Dependency

Age Dependency Ratio

20.2

Old Age Dependency Ratio

19

Child Dependency Ratio

Waltham Sex Ratio

Female

32,384

51.73%

Male

30,213

48.27%

Waltham Population by Age

Waltham Renter vs Owner Occupied by Household Type

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Waltham Household Types

50.0%

Rate of Home Ownership

Waltham Households and Families

3.02

Average Family Size

2.29

Average Household Size

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Waltham Households by Type

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Waltham Educational Attainment by Sex (over 25)

Waltham Educational Attainment by Race

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The highest rate of high school graduation is among white people with a rate of 94.92%.

The highest rate of bachelors degrees is among asian people with a rate of 71.34%.

Waltham Educational Attainment by Race

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$54,753

Average Earnings

$66,462

Average Male

$49,040

Average Female

Waltham Earnings by Educational Attainment

Waltham Language by Age

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Waltham Language

67.31% of Waltham residents speak only English, while 32.69% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 11.50% of the population.

Waltham Language

Waltham Poverty by Race

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9.20%

Overall Poverty Rate

9.98%

Male Poverty Rate

8.48%

Female Poverty Rate

Poverty in Waltham

The race most likely to be in poverty in Waltham is Hispanic, with 17.26% below the poverty level.

The race least likely to be in poverty in Waltham is Other, with NaN% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.75%. Among those working part-time, it was 13.04%, and for those that did not work, the poverty rate was 21.64%.

Waltham Poverty

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Waltham Poverty Rate by Education

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Waltham Poverty Rate by Employment Status and Sex

Waltham Income by Household Type

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Income by Household Type

Waltham Marital Status

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Marriage Rates

37.6%

Overall Marriage Rate

38.7%

Male Marriage Rate

36.5%

Female Marriage Rate

Waltham Married by Age and Sex

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Waltham Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Waltham Marital Status by Race

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Waltham Marital Status

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1,575

Number of Veterans

Male Veterans

Female Veterans

Waltham Veterans by War

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Waltham Veterans by Age

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Waltham Veterans by Race

Waltham Veterans by Education

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9.09%

Veteran Poverty Rate

34.75%

Veteran Disability Rate

Waltham Veterans by Education

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69.3%

Labor Force Participation

67.4%

Employment Rate

2.6%

Unemployment Rate

Waltham Employment by Age

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Waltham Employment by Race

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Waltham Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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49.29%

Born in Waltham

73.38%

Native Born

26.62%

Foreign Born

15.47%

Non Citizen

11.15%

Naturalized

Place of Birth

73.38% of Waltham residents were born in the United States, with 49.29% having been born in Massachusetts. 15.47% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Waltham Place of Birth

Note: 2021 and 2022 data is projected

Waltham Population by Year