Ansonia, CT Demographics

A map of Ansonia's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	10,009	10,688	52.6%	56.5%
Hispanic	5,280	4,493	27.7%	23.7%
Black	2,500	2,474	13.1%	13.1%
Multiracial	799	740	4.2%	3.9%
Asian	376	382	2.0%	2.0%
Native American/Other	69	141	0.4%	0.7%

Ansonia, Connecticut has an estimated population of 19,033, a less than 1% change from the 18,918 recorded in the 2020 Census. The population is 52.6% White, 27.7% Hispanic, 13.1% Black, 4.2% Multiracial, 2.0% Asian, and 0.4% Native American/Other. This demographic dot map shows the population of Ansonia, with one dot drawn for each person counted by the Census, color-coded by race.

Ansonia has become more racially diverse since the 2020 Census. It is considerably more 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 Ansonia, that probability was 60.5% in 2020 and 62.7% in the most recent ACS estimates.

Ansonia is ranked the 26th 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). Ansonia was ranked the 26th most populous place in the 2020 Census.

Ansonia's White Population

10,009 residents of Ansonia, or 52.6% of the population, identify as White. The share of White residents in Ansonia is lower than in Connecticut overall, where 61.9% of the population is White. Ansonia ranks 195th statewide in terms of White residents as a share of the population, out of 215 places.

Since the 2020 Census, Ansonia's White population has declined by an estimated 6.4%. White residents' share of Ansonia's population has decreased from 56.5% to 52.6%.

Ansonia is less White than neighboring Derby (57.6% White), Orange (79.6% White), Shelton (66.6% White), Oronoque (78.9% White), and East Village (84.5% White).

Ansonia's Black Population

2,500 residents of Ansonia, or 13.1% of the population, identify as Black. The share of Black residents in Ansonia is slightly higher than in Connecticut overall, where 9.8% of the population is Black. Ansonia ranks 13th statewide in terms of Black residents as a share of the population, out of 215 places.

Since the 2020 Census, Ansonia's Black population has grown by an estimated 1.1%. Black residents' share of Ansonia's population has remained roughly unchanged at 13.1%.

Ansonia is more Black than neighboring Derby (11.3% Black), Orange (4.7% Black), Shelton (6.7% Black), Oronoque (1.1% Black), and East Village (1.2% Black).

Ansonia's Asian Population

376 residents of Ansonia, or 2.0% of the population, identify as Asian. The share of Asian residents in Ansonia is slightly lower than in Connecticut overall, where 4.7% of the population is Asian. Ansonia ranks 136th statewide in terms of Asian residents as a share of the population, out of 215 places.

Since the 2020 Census, Ansonia's Asian population has declined by an estimated 1.6%. Asian residents' share of Ansonia's population has remained roughly unchanged at 2.0%.

Ansonia is more Asian than neighboring Oronoque (0.9% Asian). Ansonia is less Asian than neighboring Derby (2.5% Asian), Orange (8.4% Asian), Shelton (8.7% Asian), and East Village (7.1% Asian).

Ansonia's Hispanic Population

5,280 residents of Ansonia, or 27.7% of the population, identify as Hispanic. The share of Hispanic residents in Ansonia is higher than in Connecticut overall, where 18.3% of the population is Hispanic. Ansonia ranks 14th statewide in terms of Hispanic residents as a share of the population, out of 215 places.

Since the 2020 Census, Ansonia's Hispanic population has grown by an estimated 17.5%. Hispanic residents' share of Ansonia's population has increased from 23.7% to 27.7%.

Ansonia is more Hispanic than neighboring Derby (22.4% Hispanic), Orange (3.9% Hispanic), Shelton (12.6% Hispanic), Oronoque (6.7% Hispanic), and East Village (4.6% Hispanic).

Ansonia's Native American/Other Population

69 residents of Ansonia, or 0.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Ansonia is comparable to the share in Connecticut overall, where 1% of the population is Native American/Other. Ansonia ranks 81st statewide in terms of Native American/Other residents as a share of the population, out of 215 places.

Since the 2020 Census, Ansonia's Native American/Other population has declined by an estimated 51.1%. Native American/Other residents' share of Ansonia's population has remained roughly unchanged at 0.4%.

Ansonia is more Native American/Other than neighboring East Village (0% Native American/Other). Ansonia is less Native American/Other than neighboring Derby (2.1% Native American/Other), Orange (0.8% Native American/Other), Shelton (1.6% Native American/Other), and Oronoque (7.1% Native American/Other).

Ansonia's Multiracial Population

799 residents of Ansonia, or 4.2% of the population, identify as Multiracial. The share of Multiracial residents in Ansonia is comparable to the share in Connecticut overall, where 4.3% of the population is Multiracial. Ansonia ranks 98th statewide in terms of Multiracial residents as a share of the population, out of 215 places.

Since the 2020 Census, Ansonia's Multiracial population has grown by an estimated 8.0%. Multiracial residents' share of Ansonia's population has remained roughly unchanged at 4.2%.

Ansonia is more Multiracial than neighboring Derby (4.1% Multiracial), Orange (2.6% Multiracial), Shelton (3.7% Multiracial), and East Village (2.6% Multiracial). Ansonia is less Multiracial than neighboring Oronoque (5.4% 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.