Mamanasco Lake, CT Demographics

A map of Mamanasco Lake's Population by Race

Mamanasco Lake, Connecticut has an estimated population of 499, a slight decrease from the 509 recorded in the 2020 Census. The population is 99.0% White, 0.6% Asian, 0.4% Black, 0.0% Hispanic, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of Mamanasco Lake, with one dot drawn for each person counted by the Census, color-coded by race.

Mamanasco Lake 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 Mamanasco Lake, that probability was 27.9% in 2020 and 2.0% in the most recent ACS estimates.

Mamanasco Lake is ranked the 184th 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). Mamanasco Lake was ranked the 186th most populous place in the 2020 Census.

Mamanasco Lake's White Population

494 residents of Mamanasco Lake, or 99.0% of the population, identify as White. The share of White residents in Mamanasco Lake is significantly higher than in Connecticut overall, where 61.9% of the population is White. Mamanasco Lake ranks 89th statewide in terms of White residents as a share of the population, out of 215 places.

Since the 2020 Census, Mamanasco Lake's White population has grown by an estimated 14.9%. White residents' share of Mamanasco Lake's population has increased from 84.5% to 99.0%.

Mamanasco Lake is more White than neighboring Lakes West (85.4% White), West Mountain (73.4% White), Lakes East (86.1% White), Ridgebury (84.2% White), and Route 7 Gateway (54% White).

Mamanasco Lake's Black Population

2 residents of Mamanasco Lake, or 0.4% of the population, identify as Black. The share of Black residents in Mamanasco Lake is lower than in Connecticut overall, where 9.8% of the population is Black. Mamanasco Lake ranks 151st statewide in terms of Black residents as a share of the population, out of 215 places.

Since the 2020 Census, Mamanasco Lake's Black population has declined by an estimated 60.0%. Black residents' share of Mamanasco Lake's population has decreased from 1.0% to 0.4%.

Mamanasco Lake is more Black than neighboring Lakes West (0% Black), West Mountain (0% Black), and Ridgebury (0% Black). Mamanasco Lake is less Black than neighboring Lakes East (1.3% Black), and Route 7 Gateway (9.1% Black).

Mamanasco Lake's Asian Population

3 residents of Mamanasco Lake, or 0.6% of the population, identify as Asian. The share of Asian residents in Mamanasco Lake is slightly lower than in Connecticut overall, where 4.7% of the population is Asian. Mamanasco Lake ranks 85th statewide in terms of Asian residents as a share of the population, out of 215 places.

Since the 2020 Census, Mamanasco Lake's Asian population has declined by an estimated 83.3%. Asian residents' share of Mamanasco Lake's population has decreased from 3.5% to 0.6%.

Mamanasco Lake is more Asian than neighboring West Mountain (0% Asian). Mamanasco Lake is less Asian than neighboring Lakes West (2.3% Asian), Lakes East (1.5% Asian), Ridgebury (6.5% Asian), and Route 7 Gateway (6.8% Asian).

Mamanasco Lake's Hispanic Population

0 residents of Mamanasco Lake, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Mamanasco Lake is significantly lower than in Connecticut overall, where 18.3% of the population is Hispanic. Mamanasco Lake ranks 160th statewide in terms of Hispanic residents as a share of the population, out of 215 places.

Since the 2020 Census, Mamanasco Lake's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Mamanasco Lake's population has decreased from 4.9% to 0.0%.

Mamanasco Lake is less Hispanic than neighboring Lakes West (2.2% Hispanic), West Mountain (15% Hispanic), Lakes East (0.6% Hispanic), Ridgebury (2.3% Hispanic), and Route 7 Gateway (27.5% Hispanic).

Mamanasco Lake's Native American/Other Population

0 residents of Mamanasco Lake, 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 Mamanasco Lake is comparable to the share in Connecticut overall, where 1% of the population is Native American/Other. Mamanasco Lake ranks 165th statewide in terms of Native American/Other residents as a share of the population, out of 215 places.

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

Mamanasco Lake is less Native American/Other than neighboring Lakes West (0.8% Native American/Other), and Ridgebury (3.6% Native American/Other).

Mamanasco Lake's Multiracial Population

0 residents of Mamanasco Lake, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Mamanasco Lake is slightly lower than in Connecticut overall, where 4.3% of the population is Multiracial. Mamanasco Lake ranks 28th statewide in terms of Multiracial residents as a share of the population, out of 215 places.

Since the 2020 Census, Mamanasco Lake's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of Mamanasco Lake's population has decreased from 5.7% to 0.0%.

Mamanasco Lake is less Multiracial than neighboring Lakes West (9.4% Multiracial), West Mountain (11.6% Multiracial), Lakes East (10.6% Multiracial), Ridgebury (3.3% Multiracial), and Route 7 Gateway (2.6% 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.