Old Mystic, CT Demographics

A map of Old Mystic's Population by Race

Old Mystic, Connecticut has an estimated population of 3,340, a decrease from the 3,493 recorded in the 2020 Census. The population is 84.6% White, 6.6% Hispanic, 4.8% Asian, 2.0% Multiracial, 1.9% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Old Mystic, with one dot drawn for each person counted by the Census, color-coded by race.

Old Mystic 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 Old Mystic, that probability was 38.7% in 2020 and 27.6% in the most recent ACS estimates.

Old Mystic is ranked the 90th 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). Old Mystic was ranked the 85th most populous place in the 2020 Census.

Old Mystic's White Population

2,827 residents of Old Mystic, or 84.6% of the population, identify as White. The share of White residents in Old Mystic is significantly higher than in Connecticut overall, where 61.9% of the population is White. Old Mystic ranks 153rd statewide in terms of White residents as a share of the population, out of 215 places.

Since the 2020 Census, Old Mystic's White population has grown by an estimated 4.4%. White residents' share of Old Mystic's population has increased from 77.5% to 84.6%.

Old Mystic is more White than neighboring Mystic (81% White), Poquonock Bridge (51.7% White), and Long Hill CDP (Southeastern Connecticut County) (56.6% White). Old Mystic is less White than neighboring Groton Long Point (95.4% White).

Old Mystic's Black Population

64 residents of Old Mystic, or 1.9% of the population, identify as Black. The share of Black residents in Old Mystic is lower than in Connecticut overall, where 9.8% of the population is Black. Old Mystic ranks 55th statewide in terms of Black residents as a share of the population, out of 215 places.

Since the 2020 Census, Old Mystic's Black population has declined by an estimated 42.9%. Black residents' share of Old Mystic's population has decreased from 3.2% to 1.9%.

Old Mystic is more Black than neighboring Noank (0.6% Black), and Groton Long Point (0% Black). Old Mystic is less Black than neighboring Mystic (2.1% Black), Poquonock Bridge (11% Black), and Long Hill CDP (Southeastern Connecticut County) (4.1% Black).

Old Mystic's Asian Population

160 residents of Old Mystic, or 4.8% of the population, identify as Asian. The share of Asian residents in Old Mystic is comparable to the share in Connecticut overall, where 4.7% of the population is Asian. Old Mystic ranks 31st statewide in terms of Asian residents as a share of the population, out of 215 places.

Since the 2020 Census, Old Mystic's Asian population has declined by an estimated 32.8%. Asian residents' share of Old Mystic's population has decreased from 6.8% to 4.8%.

Old Mystic is more Asian than neighboring Mystic (1.6% Asian), Noank (2.7% Asian), Poquonock Bridge (0.5% Asian), and Groton Long Point (0% Asian). Old Mystic is less Asian than neighboring Long Hill CDP (Southeastern Connecticut County) (20.9% Asian).

Old Mystic's Hispanic Population

221 residents of Old Mystic, or 6.6% of the population, identify as Hispanic. The share of Hispanic residents in Old Mystic is considerably lower than in Connecticut overall, where 18.3% of the population is Hispanic. Old Mystic ranks 121st statewide in terms of Hispanic residents as a share of the population, out of 215 places.

Since the 2020 Census, Old Mystic's Hispanic population has grown by an estimated 1.8%. Hispanic residents' share of Old Mystic's population has remained roughly unchanged at 6.6%.

Old Mystic is more Hispanic than neighboring Mystic (0.7% Hispanic), and Groton Long Point (2% Hispanic). Old Mystic is less Hispanic than neighboring Noank (10.6% Hispanic), Poquonock Bridge (31.4% Hispanic), and Long Hill CDP (Southeastern Connecticut County) (11.7% Hispanic).

Old Mystic's Native American/Other Population

0 residents of Old Mystic, 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 Old Mystic is comparable to the share in Connecticut overall, where 1% of the population is Native American/Other. Old Mystic ranks 45th statewide in terms of Native American/Other residents as a share of the population, out of 215 places.

Since the 2020 Census, Old Mystic's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Old Mystic's population has decreased from 0.9% to 0.0%.

Old Mystic is less Native American/Other than neighboring Mystic (1.5% Native American/Other), and Groton Long Point (2.2% Native American/Other).

Old Mystic's Multiracial Population

68 residents of Old Mystic, or 2.0% of the population, identify as Multiracial. The share of Multiracial residents in Old Mystic is slightly lower than in Connecticut overall, where 4.3% of the population is Multiracial. Old Mystic ranks 37th statewide in terms of Multiracial residents as a share of the population, out of 215 places.

Since the 2020 Census, Old Mystic's Multiracial population has declined by an estimated 63.4%. Multiracial residents' share of Old Mystic's population has decreased from 5.3% to 2.0%.

Old Mystic is more Multiracial than neighboring Noank (1.5% Multiracial), and Groton Long Point (0.4% Multiracial). Old Mystic is less Multiracial than neighboring Mystic (13.2% Multiracial), Poquonock Bridge (5.3% Multiracial), and Long Hill CDP (Southeastern Connecticut County) (6.7% 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.