Niantic, IL Demographics

A map of Niantic's Population by Race

Niantic, Illinois has an estimated population of 671, an increase from the 612 recorded in the 2020 Census. The population is 81.2% White, 10.0% Hispanic, 8.2% Multiracial, 0.6% Native American/Other, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of Niantic, with one dot drawn for each person counted by the Census, color-coded by race.

Niantic has become considerably more racially diverse since the 2020 Census. It is considerably less diverse than Illinois overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Niantic, that probability was 10.1% in 2020 and 32.4% in the most recent ACS estimates.

Niantic is ranked the 832nd most populous place in Illinois, out of 1,461 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). Niantic was ranked the 852nd most populous place in the 2020 Census.

Niantic's White Population

545 residents of Niantic, or 81.2% of the population, identify as White. The share of White residents in Niantic is significantly higher than in Illinois overall, where 58.1% of the population is White. Niantic ranks 214th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Niantic's White population has declined by an estimated 6.0%. White residents' share of Niantic's population has decreased from 94.8% to 81.2%.

Niantic is less White than neighboring Illiopolis (95.1% White), Harristown (92.8% White), Latham (81.5% White), Warrensburg (91.4% White), and Mount Auburn (87.2% White).

Niantic's Black Population

0 residents of Niantic, or 0.0% of the population, identify as Black. The share of Black residents in Niantic is considerably lower than in Illinois overall, where 13.3% of the population is Black. Niantic ranks 1062nd statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Niantic's Black population has declined by an estimated 100.0%. Black residents' share of Niantic's population has remained roughly unchanged at 0.0%.

Niantic is less Black than neighboring Illiopolis (2% Black), and Latham (6.4% Black).

Niantic's Asian Population

0 residents of Niantic, or 0.0% of the population, identify as Asian. The share of Asian residents in Niantic is lower than in Illinois overall, where 5.9% of the population is Asian. Niantic ranks 447th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Niantic's Asian population has declined by an estimated 100.0%. Asian residents' share of Niantic's population has decreased from 0.8% to 0.0%.

Niantic is less Asian than neighboring Illiopolis (0.8% Asian), Harristown (0.8% Asian), and Latham (0.7% Asian).

Niantic's Hispanic Population

67 residents of Niantic, or 10.0% of the population, identify as Hispanic. The share of Hispanic residents in Niantic is lower than in Illinois overall, where 18.8% of the population is Hispanic. Niantic ranks 1249th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Niantic's Hispanic population has grown by an estimated 1016.7%. Hispanic residents' share of Niantic's population has increased from 1.0% to 10.0%.

Niantic is more Hispanic than neighboring Illiopolis (0.7% Hispanic), Harristown (0.7% Hispanic), Latham (0% Hispanic), Warrensburg (1.3% Hispanic), and Mount Auburn (4.5% Hispanic).

Niantic's Native American/Other Population

4 residents of Niantic, or 0.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Niantic is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Niantic ranks 309th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Niantic's Native American/Other population has remained roughly the same. Native American/Other residents' share of Niantic's population has remained roughly unchanged at 0.6%.

Niantic is more Native American/Other than neighboring Illiopolis (0% Native American/Other), Latham (0% Native American/Other), and Warrensburg (0% Native American/Other). Niantic is less Native American/Other than neighboring Harristown (0.8% Native American/Other), and Mount Auburn (1.3% Native American/Other).

Niantic's Multiracial Population

55 residents of Niantic, or 8.2% of the population, identify as Multiracial. The share of Multiracial residents in Niantic is slightly higher than in Illinois overall, where 3.4% of the population is Multiracial. Niantic ranks 1082nd statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Niantic's Multiracial population has grown by an estimated 243.8%. Multiracial residents' share of Niantic's population has increased from 2.6% to 8.2%.

Niantic is more Multiracial than neighboring Illiopolis (1.5% Multiracial), Harristown (4.8% Multiracial), Warrensburg (7.3% Multiracial), and Mount Auburn (7% Multiracial). Niantic is less Multiracial than neighboring Latham (11.4% 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.