Census Dots

Waltham, MA Demographics

A map of Waltham's Population by Race

Race
PopulationPercent
White
39,37060.4%
Hispanic
10,71916.4%
Asian
7,92612.2%
Black
4,4466.8%
Multiracial
2,0033.1%
Native American/Other
7541.2%

Waltham, Massachusetts had a population of 65,218 in 2020. It was 60.4% White, 6.8% Black, 12.2% Asian, 16.4% Hispanic, 1.2% Native American/Other, and 3.1% Multiracial. This map presents the population of Waltham, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Of the 248 places in Massachusetts, Waltham is the 17th most populous. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs).

Waltham's White Population

39,370 residents of Waltham identify as White, or 60.4%. This makes the White share of the population of Waltham slightly less than the White share of the population of Massachusetts (67.6% White). Of the 248 places in Massachusetts, Waltham is ranked #224 in terms of White residents as a share of the population.

Waltham is more White than neighboring Lexington (56.7% White), and Hanscom AFB (58.4% White). Waltham is less White than neighboring Belmont (69.6% White), Newton (70.1% White), and Watertown Town (73.1% White).

Waltham's Black Population

4,446 residents of Waltham identify as Black, or 6.8%. This makes the Black share of the population of Waltham roughly similar to the Black share of the population of Massachusetts (6.5% Black). Of the 248 places in Massachusetts, Waltham is ranked #22 in terms of Black residents as a share of the population.

Waltham is more Black than neighboring Lexington (1.3% Black), Belmont (1.9% Black), Newton (2.9% Black), and Watertown Town (3.4% Black). Waltham is less Black than neighboring Hanscom AFB (10.1% Black).

Waltham's Asian Population

7,926 residents of Waltham identify as Asian, or 12.2%. This makes the Asian share of the population of Waltham roughly similar to the Asian share of the population of Massachusetts (7.2% Asian). Of the 248 places in Massachusetts, Waltham is ranked #18 in terms of Asian residents as a share of the population.

Waltham is more Asian than neighboring Watertown Town (9.5% Asian), and Hanscom AFB (2.1% Asian). Waltham is less Asian than neighboring Lexington (33.1% Asian), Belmont (18.5% Asian), and Newton (16.5% Asian).

Waltham's Hispanic Population

10,719 residents of Waltham identify as Hispanic, or 16.4%. This makes the Hispanic share of the population of Waltham roughly similar to the Hispanic share of the population of Massachusetts (12.6% Hispanic). Of the 248 places in Massachusetts, Waltham is ranked #25 in terms of Hispanic residents as a share of the population.

Waltham is more Hispanic than neighboring Lexington (3.4% Hispanic), Belmont (4.7% Hispanic), Newton (5.1% Hispanic), and Watertown Town (7.7% Hispanic). Waltham is less Hispanic than neighboring Hanscom AFB (20.1% Hispanic).

Waltham's Native American/Other Population

754 residents of Waltham identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 1.2%. This makes the Native American/Other share of the population of Waltham roughly similar to the Native American/Other share of the population of Massachusetts (1.5% Native American/Other). Of the 248 places in Massachusetts, Waltham is ranked #70 in terms of Native American/Other residents as a share of the population.

Waltham is more Native American/Other than neighboring Lexington (0.7% Native American/Other), Belmont (0.7% Native American/Other), and Newton (0.9% Native American/Other). Waltham is less Native American/Other than neighboring Watertown Town (1.6% Native American/Other), and Hanscom AFB (1.6% Native American/Other).

Waltham's Multiracial Population

2,003 residents of Waltham identify as Multiracial, or 3.1%. This makes the Multiracial share of the population of Waltham roughly similar to the Multiracial share of the population of Massachusetts (4.7% Multiracial). Of the 248 places in Massachusetts, Waltham is ranked #192 in terms of Multiracial residents as a share of the population.

Waltham is less Multiracial than neighboring Lexington (4.7% Multiracial), Belmont (4.7% Multiracial), Newton (4.6% Multiracial), Watertown Town (4.7% Multiracial), and Hanscom AFB (7.7% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.