Westborough, MA Demographics

A map of Westborough's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	3,575	3,185	76.1%	74.9%
Hispanic	394	305	8.4%	7.2%
Asian	267	339	5.7%	8.0%
Native American/Other	216	88	4.6%	2.1%
Multiracial	194	252	4.1%	5.9%
Black	53	86	1.1%	2.0%

Westborough, Massachusetts has an estimated population of 4,699, a large increase from the 4,255 recorded in the 2020 Census. The population is 76.1% White, 8.4% Hispanic, 5.7% Asian, 4.6% Native American/Other, 4.1% Multiracial, and 1.1% Black. This demographic dot map shows the population of Westborough, with one dot drawn for each person counted by the Census, color-coded by race.

Westborough has become less racially diverse since the 2020 Census. It is considerably less diverse than Massachusetts overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Westborough, that probability was 42.4% in 2020 and 40.7% in the most recent ACS estimates.

Westborough is ranked the 127th most populous place in Massachusetts, out of 248 places. 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). Westborough was ranked the 133rd most populous place in the 2020 Census.

Westborough's White Population

3,575 residents of Westborough, or 76.1% of the population, identify as White. The share of White residents in Westborough is higher than in Massachusetts overall, where 66.6% of the population is White. Westborough ranks 191st statewide in terms of White residents as a share of the population, out of 248 places.

Since the 2020 Census, Westborough's White population has grown by an estimated 12.2%. White residents' share of Westborough's population has increased from 74.9% to 76.1%.

Westborough is more White than neighboring Cordaville (65.5% White), and Marlborough (54.1% White). Westborough is less White than neighboring Northborough (78.5% White), Upton (83.1% White), and Hopkinton (81.8% White).

Westborough's Black Population

53 residents of Westborough, or 1.1% of the population, identify as Black. The share of Black residents in Westborough is lower than in Massachusetts overall, where 6.4% of the population is Black. Westborough ranks 110th statewide in terms of Black residents as a share of the population, out of 248 places.

Since the 2020 Census, Westborough's Black population has declined by an estimated 38.4%. Black residents' share of Westborough's population has decreased from 2.0% to 1.1%.

Westborough is more Black than neighboring Upton (1% Black), and Hopkinton (0.4% Black). Westborough is less Black than neighboring Northborough (2.2% Black), Cordaville (1.2% Black), and Marlborough (3.7% Black).

Westborough's Asian Population

267 residents of Westborough, or 5.7% of the population, identify as Asian. The share of Asian residents in Westborough is comparable to the share in Massachusetts overall, where 7.3% of the population is Asian. Westborough ranks 30th statewide in terms of Asian residents as a share of the population, out of 248 places.

Since the 2020 Census, Westborough's Asian population has declined by an estimated 21.2%. Asian residents' share of Westborough's population has decreased from 8.0% to 5.7%.

Westborough is more Asian than neighboring Upton (5.1% Asian), Hopkinton (4.9% Asian), and Marlborough (5.3% Asian). Westborough is less Asian than neighboring Northborough (6.2% Asian), and Cordaville (21.6% Asian).

Westborough's Hispanic Population

394 residents of Westborough, or 8.4% of the population, identify as Hispanic. The share of Hispanic residents in Westborough is slightly lower than in Massachusetts overall, where 13.3% of the population is Hispanic. Westborough ranks 60th statewide in terms of Hispanic residents as a share of the population, out of 248 places.

Since the 2020 Census, Westborough's Hispanic population has grown by an estimated 29.2%. Hispanic residents' share of Westborough's population has increased from 7.2% to 8.4%.

Westborough is more Hispanic than neighboring Northborough (6.2% Hispanic), Upton (4.9% Hispanic), Cordaville (4.3% Hispanic), and Hopkinton (7% Hispanic). Westborough is less Hispanic than neighboring Marlborough (18% Hispanic).

Westborough's Native American/Other Population

216 residents of Westborough, or 4.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Westborough is slightly higher than in Massachusetts overall, where 1.3% of the population is Native American/Other. Westborough ranks 33rd statewide in terms of Native American/Other residents as a share of the population, out of 248 places.

Since the 2020 Census, Westborough's Native American/Other population has grown by an estimated 145.5%. Native American/Other residents' share of Westborough's population has increased from 2.1% to 4.6%.

Westborough is more Native American/Other than neighboring Northborough (3.3% Native American/Other), Upton (3.2% Native American/Other), Cordaville (1.3% Native American/Other), Hopkinton (0% Native American/Other), and Marlborough (3.9% Native American/Other).

Westborough's Multiracial Population

194 residents of Westborough, or 4.1% of the population, identify as Multiracial. The share of Multiracial residents in Westborough is comparable to the share in Massachusetts overall, where 5.1% of the population is Multiracial. Westborough ranks 34th statewide in terms of Multiracial residents as a share of the population, out of 248 places.

Since the 2020 Census, Westborough's Multiracial population has declined by an estimated 23.0%. Multiracial residents' share of Westborough's population has decreased from 5.9% to 4.1%.

Westborough is more Multiracial than neighboring Northborough (3.6% Multiracial), and Upton (2.7% Multiracial). Westborough is less Multiracial than neighboring Cordaville (6.2% Multiracial), Hopkinton (5.9% Multiracial), and Marlborough (15.1% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.