Chatham, MA Demographics

A map of Chatham's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,593	1,339	99.6%	86.3%
Multiracial	7	26	0.4%	1.7%
Black	0	50	0.0%	3.2%
Asian	0	11	0.0%	0.7%
Hispanic	0	122	0.0%	7.9%
Native American/Other	0	3	0.0%	0.2%

Chatham, Massachusetts has an estimated population of 1,600, an increase from the 1,551 recorded in the 2020 Census. The population is 99.6% White, 0.4% Multiracial, 0.0% Black, 0.0% Asian, 0.0% Hispanic, and 0.0% Native American/Other. This demographic dot map shows the population of Chatham, with one dot drawn for each person counted by the Census, color-coded by race.

Chatham has become considerably 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 Chatham, that probability was 24.7% in 2020 and 0.9% in the most recent ACS estimates.

Chatham is ranked the 204th 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). Chatham was ranked the 208th most populous place in the 2020 Census.

Chatham's White Population

1,593 residents of Chatham, or 99.6% of the population, identify as White. The share of White residents in Chatham is significantly higher than in Massachusetts overall, where 66.6% of the population is White. Chatham ranks 110th statewide in terms of White residents as a share of the population, out of 248 places.

Since the 2020 Census, Chatham's White population has grown by an estimated 19.0%. White residents' share of Chatham's population has increased from 86.3% to 99.6%.

Chatham is more White than neighboring West Chatham (75.8% White), East Harwich (94.3% White), Harwich Port (93.9% White), Harwich Center (97.3% White), and Orleans (98.2% White).

Chatham's Black Population

0 residents of Chatham, or 0.0% of the population, identify as Black. The share of Black residents in Chatham is lower than in Massachusetts overall, where 6.4% of the population is Black. Chatham ranks 72nd statewide in terms of Black residents as a share of the population, out of 248 places.

Since the 2020 Census, Chatham's Black population has declined by an estimated 100.0%. Black residents' share of Chatham's population has decreased from 3.2% to 0.0%.

Chatham is less Black than neighboring East Harwich (0.4% Black), Harwich Port (0.4% Black), Harwich Center (0.2% Black), and Orleans (0.7% Black).

Chatham's Asian Population

0 residents of Chatham, or 0.0% of the population, identify as Asian. The share of Asian residents in Chatham is lower than in Massachusetts overall, where 7.3% of the population is Asian. Chatham ranks 210th statewide in terms of Asian residents as a share of the population, out of 248 places.

Since the 2020 Census, Chatham's Asian population has declined by an estimated 100.0%. Asian residents' share of Chatham's population has decreased from 0.7% to 0.0%.

Chatham is less Asian than neighboring West Chatham (9.5% Asian), East Harwich (2.9% Asian), and Harwich Port (0.7% Asian).

Chatham's Hispanic Population

0 residents of Chatham, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Chatham is considerably lower than in Massachusetts overall, where 13.3% of the population is Hispanic. Chatham ranks 53rd statewide in terms of Hispanic residents as a share of the population, out of 248 places.

Since the 2020 Census, Chatham's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Chatham's population has decreased from 7.9% to 0.0%.

Chatham is less Hispanic than neighboring West Chatham (1.3% Hispanic), East Harwich (1% Hispanic), Harwich Port (1.7% Hispanic), and Harwich Center (1.4% Hispanic).

Chatham's Native American/Other Population

0 residents of Chatham, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Chatham is comparable to the share in Massachusetts overall, where 1.3% of the population is Native American/Other. Chatham ranks 236th statewide in terms of Native American/Other residents as a share of the population, out of 248 places.

Since the 2020 Census, Chatham's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Chatham's population has remained roughly unchanged at 0.0%.

Chatham is less Native American/Other than neighboring East Harwich (0.2% Native American/Other), and Harwich Port (0.9% Native American/Other).

Chatham's Multiracial Population

7 residents of Chatham, or 0.4% of the population, identify as Multiracial. The share of Multiracial residents in Chatham is slightly lower than in Massachusetts overall, where 5.1% of the population is Multiracial. Chatham ranks 245th statewide in terms of Multiracial residents as a share of the population, out of 248 places.

Since the 2020 Census, Chatham's Multiracial population has declined by an estimated 73.1%. Multiracial residents' share of Chatham's population has decreased from 1.7% to 0.4%.

Chatham is less Multiracial than neighboring West Chatham (13.4% Multiracial), East Harwich (1.2% Multiracial), Harwich Port (2.4% Multiracial), Harwich Center (1.2% Multiracial), and Orleans (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.