Waltham, Massachusetts Population 2020

62,954

Waltham is a city located in Massachusetts. With a 2020 population of 62,954, it is the 16th largest city in Massachusetts and the 603rd largest city in the United States. Waltham is currently declining at a rate of -0.01% annually but its population has increased by 3.83% since the most recent census, which recorded a population of 60,632 in 2010. Waltham reached it's highest population of 63,097 in 2014. Spanning over 14 miles, Waltham has a population density of 4,940 people per square mile.

The average household income in Waltham is $104,768 with a poverty rate of 10.92%. The median rental costs in recent years comes to $1,584 per month, and the median house value is $497,100. The median age in Waltham is 33.9 years, 33.6 years for males, and 34.2 years for females. For every 100 females there are 97.1 males.

Waltham Demographics

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

  • White: 72.33%
  • Asian: 11.35%
  • Black or African American: 7.69%
  • Other race: 5.04%
  • Two or more races: 3.25%
  • Native American: 0.33%
  • Native Hawaiian or Pacific Islander: 0.01%
The current population of Waltham, Massachusetts is 62,954, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 62,962.The last official US Census in 2010 recorded the population at 60,632.

Waltham, Massachusetts Population 2020

Population by Race

Race Population Percentage
White45,55572.33%
Asian7,15011.35%
Black or African American4,8427.69%
Some Other Race3,1745.04%
Two or More Races2,0483.25%
American Indian and Alaska Native2050.33%
Native Hawaiian and Other Pacific Islander50.01%

Waltham Population Pyramid 2020

Waltham Median Age

33.9


Total

33.6


Male

34.2


Female

Waltham Adults

There are 53,813 adults, (8,605 of whom are seniors) in Waltham.

Waltham Age Dependency

39.3

Age Dependency Ratio

19

Old Age Dependency Ratio

20.3

Child Dependency Ratio

Waltham Sex Ratio

Female

31,945

50.72%

Male

31,034

49.28%

Waltham Households and Families

Waltham Renter vs Owner Occupied by Household Type

Waltham Household Types

Type Owner Renter
Married67.4%32.6%
All50.3%49.7%
Male49.7%50.3%
Female41.5%58.5%
Non Family36.4%63.6%

50.3%

Rate of Home Ownership

Type Count Average Size Owned
All23,6312.3450.3
Non Family10,9031.4436.4
Married9,8213.0967.4
Female1,8632.9841.5
Male1,0443.649.7

3.07

Average Family Size

2.34

Average Household Size

7%

Unmarried (Opposite Sex)

0.4%

Unmarried (Same Sex)

Waltham Education

Education Attained Count Percentage
Less Than 9th Grade1,8014.24%
9th to 12th Grade1,5073.55%
High School Graduate8,65120.36%
Some College5,28112.43%
Associates Degree2,8316.66%
Bachelors Degree12,33929.04%
Graduate Degree10,08423.73%

Waltham Educational Attainment by Race

Name Total High School Bachelors
White29,64928,01116,638
Asian4,5344,2413,222
Hispanic4,5253,268931
Black2,9982,8781,192
Other Race1,7521,134241
Multiple Races1,005975421
Native American178163131

The highest rate of high school graduation is among multiple races people with a rate of 97.01%.

The highest rate of bachelors degrees is among native american people with a rate of 73.60%.

Name Average Male Female
Overall$51,819$59,698$45,389
Less Than High School$24,477$25,779$20,644
High School Grad$39,513$42,308$32,160
Some College$39,871$48,322$33,417
Bachelors Degree$62,244$71,420$52,310
Graduate Degree$76,760$94,797$64,571

$51,819

Average Earnings

$59,698

Average Male

$45,389

Average Female

Waltham Language

Waltham Language by Age

Waltham Language

66.42% of Waltham residents speak only English, while 33.58% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 11.39% of the population.

Waltham Poverty

Waltham Poverty by Race

Name Total In Poverty Poverty Rate
White36,5322,3156.34%
Hispanic7,7821,81323.30%
Asian6,0461,40623.26%
Other2,95086129.19%
Black4,40450511.47%
Multiple1,75022813.03%
Native205199.27%

10.92%

Overall Poverty Rate

9.99%

Male Poverty Rate

11.83%

Female Poverty Rate

Poverty in Waltham

The race most likely to be in poverty in Waltham is Other, with 29.19% below the poverty level.

The race least likely to be in poverty in Waltham is White, with 6.34% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.09%. Among those working part-time, it was 12.49%, and for those that did not work, the poverty rate was 27.38%.

Name Poverty
Less Than High School24.00%
High School9.65%
Some College8.47%
Bachelors or Greater4.80%
Name Poverty
Female Unemployed45.90%
Male Unemployed39.94%
Female Employed3.67%
Male Employed3.42%

Waltham Income

Waltham Income by Household Type

Name Median Mean
Households$85,677$104,768
Families$108,668$125,266
Married Families$124,150-
Non Families$61,439$79,044

Waltham Marital Status

Waltham Marital Status

Marriage Rates

40.1%

Overall Marriage Rate

40.8%

Male Marriage Rate

39.4%

Female Marriage Rate

Waltham Married by Age and Sex

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

Waltham Veterans

2,186

Number of Veterans

2,059

Male Veterans

127

Female Veterans

War Veterans
Vietnam782
Korea405
First Gulf War219
World War II177
Second Gulf War97
Age Group Veterans
75+848
65 to 74547
55 to 64415
35 to 54302
18 to 3474
Name Veterans % of Total
White1,9735.03%
Black862.16%
2 or More694.77%
Hispanic570.95%
Asian400.60%
Indian179.44%
Other10.04%

$Waltham Veterans by Education

9.43%

Veteran Poverty Rate

35.92%

Veteran Disability Rate

Waltham Employment Status

69.6%

Labor Force Participation

66.6%

Employment Rate

4.3%

Unemployment Rate

Waltham Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

48.45%

Born in Massachusetts

71.62%

Native Born

28.38%

Foreign Born

17.56%

Non Citizen

Place of Birth

71.62% of Waltham residents were born in the United States, with 48.45% having been born in Massachusetts. 17.56% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Year Population Growth Annual Growth Rate
202062,954-4-0.01%
201962,958-4-0.01%
201862,962430.07%
201762,919-4-0.01%
201662,923-58-0.09%
201562,981-116-0.18%
201463,0977861.26%
201362,3112820.45%
201262,0296701.09%
201161,3594870.80%
201060,8721,6460.27%
200059,2261,3480.23%
199057,878-322-0.06%
198058,200-3,382-0.56%
197061,5826,1691.06%
196055,4138,2261.62%
195047,1877,1671.66%
194040,0207730.20%
193039,2478,3322.42%
192030,9153,0811.06%
191027,8344,3531.72%
190023,4814,7742.30%
189018,7076,9954.79%
188011,7122,6472.60%
18709,0652,6683.55%
18606,3971,9333.66%
18504,4640.00%