Waltham, Massachusetts Population 2024

63,084

Waltham is a city located in Middlesex County Massachusetts. Waltham has a 2024 population of 63,084. Waltham is currently declining at a rate of -0.77% annually and its population has decreased by -3.02% since the most recent census, which recorded a population of 65,046 in 2020.

The average household income in Waltham is $138,740 with a poverty rate of 8.88%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Waltham is 34.7 years, 34.2 years for males, and 35.2 years for females.

Waltham Demographics

According to the most recent ACS, the racial composition of Waltham was:

  • White: 65.57%
  • Asian: 13%
  • Two or more races: 7.5%
  • Black or African American: 7.11%
  • Other race: 6.2%
  • Native American: 0.53%
  • Native Hawaiian or Pacific Islander: 0.09%
Land Area (mi²)
12.7 sq mi
Density (mi²)
4,949.90/sq mi
Growth Since 2020
-3.02% (-1,962)
The current population of Waltham, Massachusetts is 63,084 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 65,046.

Waltham, Massachusetts Population 2024

Population by Race

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Race
Population
Percentage (of total)
White42,43265.57%
Asian8,41213%
Two or more races4,8567.5%
Black or African American4,5997.11%
Other race4,0106.2%
Native American3410.53%
Native Hawaiian or Pacific Islander610.09%

White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Waltham Population by Race

Waltham Population Pyramid 2024

Waltham Median Age

34.7

Total

34.2

Male

35.2

Female

Waltham Adults

There are 56,116 adults, (10,308 of whom are seniors) in Waltham.

Waltham Age Dependency

41.3

Age Dependency Ratio

22.5

Old Age Dependency Ratio

18.8

Child Dependency Ratio

Waltham Sex Ratio

Female32,66950.48%
Male32,04249.52%

Waltham Population by Age

Waltham Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All26,1242.2147.952.1
Non Family12,8921.4533.766.3
Married9,9522.9865.634.4
Female2,2902.9350.349.7
Male9902.8749.150.9

2.9

Average Family Size

2.21

Average Household Size

47.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Waltham Households and Families

Male

Female

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Education Attained
Count
Percentage
Less Than 9th Grade1,8674.21%
9th to 12th Grade1,4703.32%
High School Graduate8,04618.16%
Some College4,91211.09%
Associates Degree2,9426.64%
Bachelors Degree13,05529.47%
Graduate Degree12,00527.1%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Waltham Educational Attainment by Sex (over 25)

Waltham Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White29,86128,65817,431
Hispanic5,4143,8461,752
Asian5,2444,9524,133
Black2,7992,5491,135
2+ Races2,6232,0481,169
Other Race2,2541,634535
Native American30517637
Islander27270

The highest rate of high school graduation is among islander people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 78.81%.

Waltham Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Overall$69,511$80,988$58,406
Less Than 9th Grade$34,920$39,928$28,426
High School Graduate$46,517$55,987$35,796
Some College$55,645$65,479$41,156
Bachelors Degree$81,512$99,621$57,971
Graduate Degree$92,083$103,590$83,528

$69,511

Average Earnings

$80,988

Average Male

$58,406

Average Female

Waltham Earnings by Educational Attainment

Waltham Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Waltham Language

68.5% of Waltham residents speak only English, while 31.5% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 11.48% of the population.

Waltham Language

Waltham Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White36,2122,2596.24%
Asian7,1411,20116.82%
Hispanic9,27499810.76%
Black4,11153813.09%
Other3,78447912.66%
Multiple4,38047710.89%
Native34051.47%

8.88%

Overall Poverty Rate

9.44%

Male Poverty Rate

8.33%

Female Poverty Rate

Poverty in Waltham

The race most likely to be in poverty in Waltham is Asian, with 16.82% below the poverty level.

The race least likely to be in poverty in Waltham is Native, with 1.47% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.88%. Among those working part-time, it was 12.19%, and for those that did not work, the poverty rate was 22.3%.

Waltham Poverty

rate

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Rate
Poverty
Less Than 9th Grade19.82%
High School11.85%
Some College8.62%
Bachelors or Greater3.53%

Waltham Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed19.89%
Male Unemployed9.1%
Male Employed3.51%
Female Employed3.12%

Waltham Poverty Rate by Employment Status and Sex

Waltham Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Households$113,443$138,740
Families$139,507$167,251
Married Families$164,712$-999,999,999
Non Families$87,092$106,501

mean

median

Income by Household Type

Waltham Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

37.5%

Overall Marriage Rate

38.9%

Male Marriage Rate

36.1%

Female Marriage Rate

Waltham Married by Age and Sex

male

female

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

Married

Widowed

Divorced

Separated

NeverMarried

Waltham Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,392

Number of Veterans

1,290

Male Veterans

102

Female Veterans

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War
Veterans
Vietnam525
Second Gulf War196
First Gulf War151
Korea86
World War II52

Waltham Veterans by War

count

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Age Group
Veterans
75+501
65 to 74391
18 to 34175
55 to 64172
35 to 54153

Waltham Veterans by Age

count

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Name
Veterans
% of Total
White1,2713.38%
2+ Races561.58%
Black531.45%
Hispanic410.57%
Asian100.13%
Other Race20.07%

Waltham Veterans by Race

Waltham Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

11.58%

Veteran Poverty Rate

26.96%

Veteran Disability Rate

Waltham Veterans by Education

LaborForceParticipation

69.3%

Labor Force Participation

67.2%

Employment Rate

3.1%

Unemployment Rate

Waltham Employment by Age

LaborForceParticipation

Waltham Employment by Race

LaborForceParticipation

Waltham 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

49.94%

Born in Waltham

74.43%

Native Born

25.57%

Foreign Born

14.19%

Non Citizen

11.38%

Naturalized

Place of Birth

74.43% of Waltham residents were born in the United States, with 49.94% having been born in Massachusetts. 14.19% 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: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202960,631-491-0.8%
202861,122-490-0.8%
202761,612-491-0.79%
202662,103-490-0.78%
202562,593-491-0.78%
202463,084-490-0.77%
202363,574-491-0.77%
202264,065-328-0.51%
202164,393-653-1%
202065,0462,5864.14%
201962,460-122-0.19%
201862,582-277-0.44%
201762,859-140-0.22%
201662,999-57-0.09%
201563,056-106-0.17%
201463,1627921.27%
201362,3702870.46%
201262,0836701.09%
201161,4135010.82%
201060,9121,6862.85%
200059,2261,3482.33%
199057,878-322-0.55%
198058,200-3,382-5.49%
197061,5826,16911.13%
196055,4138,22617.43%
195047,1877,16717.91%
194040,0207731.97%
193039,2478,33226.95%
192030,9153,08111.07%
191027,8344,35318.54%
190023,4814,77425.52%
189018,7076,99559.73%
188011,7122,64729.2%
18709,0652,66841.71%
18606,3971,93343.3%
18504,46400%
showing: 36 rows

Waltham Population by Year