Fitchburg, MA Demographics

A map of Fitchburg's Population by Race

Fitchburg, Massachusetts has an estimated population of 41,798, a less than 1% change from the 41,946 recorded in the 2020 Census. The population is 52.4% White, 33.5% Hispanic, 6.0% Black, 5.4% Multiracial, 2.3% Asian, and 0.5% Native American/Other. This demographic dot map shows the population of Fitchburg, with one dot drawn for each person counted by the Census, color-coded by race.

Fitchburg is about as racially diverse as it was in the 2020 Census. It is considerably more 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 Fitchburg, that probability was 60.4% in 2020 and 60.7% in the most recent ACS estimates.

Fitchburg is ranked the 35th 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). Fitchburg was ranked the 34th most populous place in the 2020 Census.

Fitchburg's White Population

21,893 residents of Fitchburg, or 52.4% of the population, identify as White. The share of White residents in Fitchburg is considerably lower than in Massachusetts overall, where 66.6% of the population is White. Fitchburg ranks 232nd statewide in terms of White residents as a share of the population, out of 248 places.

Since the 2020 Census, Fitchburg's White population has declined by an estimated 4.5%. White residents' share of Fitchburg's population has decreased from 54.6% to 52.4%.

Fitchburg is less White than neighboring Leominster (68% White), Lunenburg (80% White), South Ashburnham (75.1% White), Townsend (75.7% White), and Shirley (89% White).

Fitchburg's Black Population

2,491 residents of Fitchburg, or 6.0% of the population, identify as Black. The share of Black residents in Fitchburg is comparable to the share in Massachusetts overall, where 6.4% of the population is Black. Fitchburg ranks 28th statewide in terms of Black residents as a share of the population, out of 248 places.

Since the 2020 Census, Fitchburg's Black population has declined by an estimated 3.4%. Black residents' share of Fitchburg's population has remained roughly unchanged at 6.0%.

Fitchburg is more Black than neighboring Leominster (4.9% Black), Lunenburg (3.6% Black), South Ashburnham (2.7% Black), Townsend (4.6% Black), and Shirley (3.1% Black).

Fitchburg's Asian Population

953 residents of Fitchburg, or 2.3% of the population, identify as Asian. The share of Asian residents in Fitchburg is slightly lower than in Massachusetts overall, where 7.3% of the population is Asian. Fitchburg ranks 68th statewide in terms of Asian residents as a share of the population, out of 248 places.

Since the 2020 Census, Fitchburg's Asian population has declined by an estimated 36.8%. Asian residents' share of Fitchburg's population has decreased from 3.6% to 2.3%.

Fitchburg is more Asian than neighboring South Ashburnham (0% Asian), and Shirley (0% Asian). Fitchburg is less Asian than neighboring Leominster (3.1% Asian), Lunenburg (3.6% Asian), and Townsend (3.4% Asian).

Fitchburg's Hispanic Population

13,994 residents of Fitchburg, or 33.5% of the population, identify as Hispanic. The share of Hispanic residents in Fitchburg is significantly higher than in Massachusetts overall, where 13.3% of the population is Hispanic. Fitchburg ranks 8th statewide in terms of Hispanic residents as a share of the population, out of 248 places.

Since the 2020 Census, Fitchburg's Hispanic population has grown by an estimated 11.0%. Hispanic residents' share of Fitchburg's population has increased from 30.1% to 33.5%.

Fitchburg is more Hispanic than neighboring Leominster (16% Hispanic), Lunenburg (3.3% Hispanic), South Ashburnham (18.9% Hispanic), Townsend (7.7% Hispanic), and Shirley (7.9% Hispanic).

Fitchburg's Native American/Other Population

228 residents of Fitchburg, or 0.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Fitchburg is comparable to the share in Massachusetts overall, where 1.3% of the population is Native American/Other. Fitchburg ranks 97th statewide in terms of Native American/Other residents as a share of the population, out of 248 places.

Since the 2020 Census, Fitchburg's Native American/Other population has declined by an estimated 45.8%. Native American/Other residents' share of Fitchburg's population has decreased from 1.0% to 0.5%.

Fitchburg is more Native American/Other than neighboring Lunenburg (0% Native American/Other), South Ashburnham (0% Native American/Other), Townsend (0% Native American/Other), and Shirley (0% Native American/Other). Fitchburg is less Native American/Other than neighboring Leominster (1.6% Native American/Other).

Fitchburg's Multiracial Population

2,239 residents of Fitchburg, or 5.4% of the population, identify as Multiracial. The share of Multiracial residents in Fitchburg is comparable to the share in Massachusetts overall, where 5.1% of the population is Multiracial. Fitchburg ranks 88th statewide in terms of Multiracial residents as a share of the population, out of 248 places.

Since the 2020 Census, Fitchburg's Multiracial population has grown by an estimated 17.0%. Multiracial residents' share of Fitchburg's population has increased from 4.6% to 5.4%.

Fitchburg is more Multiracial than neighboring South Ashburnham (3.3% Multiracial), and Shirley (0% Multiracial). Fitchburg is less Multiracial than neighboring Leominster (6.4% Multiracial), Lunenburg (9.5% Multiracial), and Townsend (8.6% 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.