Dayville, CT Demographics

A map of Dayville's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	406	506	89.8%	80.2%
Hispanic	46	34	10.2%	5.4%
Black	0	16	0.0%	2.5%
Asian	0	26	0.0%	4.1%
Native American/Other	0	6	0.0%	1.0%
Multiracial	0	43	0.0%	6.8%

Dayville, Connecticut has an estimated population of 452, a large decrease from the 631 recorded in the 2020 Census. The population is 89.8% White, 10.2% Hispanic, 0.0% Black, 0.0% Asian, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of Dayville, with one dot drawn for each person counted by the Census, color-coded by race.

Dayville has become considerably less 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 Dayville, that probability was 34.7% in 2020 and 18.3% in the most recent ACS estimates.

Dayville is ranked the 187th 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). Dayville was ranked the 177th most populous place in the 2020 Census.

Dayville's White Population

406 residents of Dayville, or 89.8% of the population, identify as White. The share of White residents in Dayville is significantly higher than in Connecticut overall, where 61.9% of the population is White. Dayville ranks 133rd statewide in terms of White residents as a share of the population, out of 215 places.

Since the 2020 Census, Dayville's White population has declined by an estimated 19.8%. White residents' share of Dayville's population has increased from 80.2% to 89.8%.

Dayville is more White than neighboring Danielson (73.8% White), East Brooklyn (70% White), Putnam (82.7% White), Brooklyn (72.4% White), and Wauregan (73.4% White).

Dayville's Black Population

0 residents of Dayville, or 0.0% of the population, identify as Black. The share of Black residents in Dayville is lower than in Connecticut overall, where 9.8% of the population is Black. Dayville ranks 68th statewide in terms of Black residents as a share of the population, out of 215 places.

Since the 2020 Census, Dayville's Black population has declined by an estimated 100.0%. Black residents' share of Dayville's population has decreased from 2.5% to 0.0%.

Dayville is less Black than neighboring Danielson (8% Black), Putnam (1.1% Black), Brooklyn (7.5% Black), and Wauregan (1.2% Black).

Dayville's Asian Population

0 residents of Dayville, or 0.0% of the population, identify as Asian. The share of Asian residents in Dayville is slightly lower than in Connecticut overall, where 4.7% of the population is Asian. Dayville ranks 70th statewide in terms of Asian residents as a share of the population, out of 215 places.

Since the 2020 Census, Dayville's Asian population has declined by an estimated 100.0%. Asian residents' share of Dayville's population has decreased from 4.1% to 0.0%.

Dayville is less Asian than neighboring East Brooklyn (13.5% Asian), Putnam (1.3% Asian), and Wauregan (1.4% Asian).

Dayville's Hispanic Population

46 residents of Dayville, or 10.2% of the population, identify as Hispanic. The share of Hispanic residents in Dayville is lower than in Connecticut overall, where 18.3% of the population is Hispanic. Dayville ranks 152nd statewide in terms of Hispanic residents as a share of the population, out of 215 places.

Since the 2020 Census, Dayville's Hispanic population has grown by an estimated 35.3%. Hispanic residents' share of Dayville's population has increased from 5.4% to 10.2%.

Dayville is more Hispanic than neighboring East Brooklyn (1.1% Hispanic), and Putnam (8% Hispanic). Dayville is less Hispanic than neighboring Danielson (12.2% Hispanic), Brooklyn (16.4% Hispanic), and Wauregan (12.9% Hispanic).

Dayville's Native American/Other Population

0 residents of Dayville, 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 Dayville is comparable to the share in Connecticut overall, where 1% of the population is Native American/Other. Dayville ranks 43rd statewide in terms of Native American/Other residents as a share of the population, out of 215 places.

Since the 2020 Census, Dayville's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Dayville's population has decreased from 1.0% to 0.0%.

Dayville is less Native American/Other than neighboring Danielson (0.3% Native American/Other), East Brooklyn (5% Native American/Other), Putnam (0.5% Native American/Other), and Brooklyn (0.4% Native American/Other).

Dayville's Multiracial Population

0 residents of Dayville, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Dayville is slightly lower than in Connecticut overall, where 4.3% of the population is Multiracial. Dayville ranks 14th statewide in terms of Multiracial residents as a share of the population, out of 215 places.

Since the 2020 Census, Dayville's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of Dayville's population has decreased from 6.8% to 0.0%.

Dayville is less Multiracial than neighboring Danielson (5.7% Multiracial), East Brooklyn (10.5% Multiracial), Putnam (6.4% Multiracial), Brooklyn (3.2% Multiracial), and Wauregan (11.1% 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.