Watertown, CT Demographics

A map of Watertown's Population by Race

Watertown, Connecticut has an estimated population of 3,897, a slight decrease from the 3,938 recorded in the 2020 Census. The population is 80.0% White, 6.9% Asian, 6.8% Hispanic, 3.6% Multiracial, 1.6% Native American/Other, and 1.1% Black. This demographic dot map shows the population of Watertown, with one dot drawn for each person counted by the Census, color-coded by race.

Watertown has become considerably more racially diverse since the 2020 Census. It is considerably less diverse than Connecticut overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Watertown, that probability was 22.6% in 2020 and 34.9% in the most recent ACS estimates.

Watertown is ranked the 79th most populous place in Connecticut, out of 215 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). Watertown was ranked the 77th most populous place in the 2020 Census.

Watertown's White Population

3,117 residents of Watertown, or 80.0% of the population, identify as White. The share of White residents in Watertown is significantly higher than in Connecticut overall, where 61.9% of the population is White. Watertown ranks 50th statewide in terms of White residents as a share of the population, out of 215 places.

Since the 2020 Census, Watertown's White population has declined by an estimated 9.8%. White residents' share of Watertown's population has decreased from 87.7% to 80.0%.

Watertown is more White than neighboring Thomaston (70.9% White), Waterbury (29.3% White), and Woodbury Center (79.8% White). Watertown is less White than neighboring Oakville (80.7% White), and Bethlehem Village (91.4% White).

Watertown's Black Population

43 residents of Watertown, or 1.1% of the population, identify as Black. The share of Black residents in Watertown is lower than in Connecticut overall, where 9.8% of the population is Black. Watertown ranks 120th statewide in terms of Black residents as a share of the population, out of 215 places.

Since the 2020 Census, Watertown's Black population has declined by an estimated 17.3%. Black residents' share of Watertown's population has remained roughly unchanged at 1.1%.

Watertown is less Black than neighboring Oakville (1.4% Black), Thomaston (6.4% Black), Bethlehem Village (1.2% Black), Waterbury (23% Black), and Woodbury Center (10.4% Black).

Watertown's Asian Population

269 residents of Watertown, or 6.9% of the population, identify as Asian. The share of Asian residents in Watertown is slightly higher than in Connecticut overall, where 4.7% of the population is Asian. Watertown ranks 169th statewide in terms of Asian residents as a share of the population, out of 215 places.

Since the 2020 Census, Watertown's Asian population has grown by an estimated 380.4%. Asian residents' share of Watertown's population has increased from 1.4% to 6.9%.

Watertown is more Asian than neighboring Oakville (1.3% Asian), Thomaston (4.2% Asian), Bethlehem Village (2.5% Asian), Waterbury (2.5% Asian), and Woodbury Center (1.5% Asian).

Watertown's Hispanic Population

264 residents of Watertown, or 6.8% of the population, identify as Hispanic. The share of Hispanic residents in Watertown is considerably lower than in Connecticut overall, where 18.3% of the population is Hispanic. Watertown ranks 138th statewide in terms of Hispanic residents as a share of the population, out of 215 places.

Since the 2020 Census, Watertown's Hispanic population has grown by an estimated 15.3%. Hispanic residents' share of Watertown's population has increased from 5.8% to 6.8%.

Watertown is more Hispanic than neighboring Thomaston (3.6% Hispanic), Bethlehem Village (2.2% Hispanic), and Woodbury Center (4.2% Hispanic). Watertown is less Hispanic than neighboring Oakville (14.3% Hispanic), and Waterbury (38.5% Hispanic).

Watertown's Native American/Other Population

63 residents of Watertown, or 1.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Watertown is comparable to the share in Connecticut overall, where 1% of the population is Native American/Other. Watertown ranks 110th statewide in terms of Native American/Other residents as a share of the population, out of 215 places.

Since the 2020 Census, Watertown's Native American/Other population has grown by an estimated 152.0%. Native American/Other residents' share of Watertown's population has increased from 0.6% to 1.6%.

Watertown is more Native American/Other than neighboring Oakville (0% Native American/Other), Thomaston (0% Native American/Other), Bethlehem Village (1% Native American/Other), Waterbury (1.5% Native American/Other), and Woodbury Center (0% Native American/Other).

Watertown's Multiracial Population

141 residents of Watertown, or 3.6% of the population, identify as Multiracial. The share of Multiracial residents in Watertown is comparable to the share in Connecticut overall, where 4.3% of the population is Multiracial. Watertown ranks 161st statewide in terms of Multiracial residents as a share of the population, out of 215 places.

Since the 2020 Census, Watertown's Multiracial population has grown by an estimated 16.5%. Multiracial residents' share of Watertown's population has increased from 3.1% to 3.6%.

Watertown is more Multiracial than neighboring Oakville (2.2% Multiracial), and Bethlehem Village (1.6% Multiracial). Watertown is less Multiracial than neighboring Thomaston (14.9% Multiracial), Waterbury (5.1% Multiracial), and Woodbury Center (4.1% 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.