Harristown, IL Demographics

A map of Harristown's Population by Race

Harristown, Illinois has an estimated population of 1,550, a large increase from the 1,310 recorded in the 2020 Census. The population is 92.8% White, 4.8% Multiracial, 0.8% Asian, 0.8% Native American/Other, 0.7% Hispanic, and 0.0% Black. This demographic dot map shows the population of Harristown, with one dot drawn for each person counted by the Census, color-coded by race.

Harristown has become 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 Harristown, that probability was 10.4% in 2020 and 13.6% in the most recent ACS estimates.

Harristown is ranked the 570th 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). Harristown was ranked the 617th most populous place in the 2020 Census.

Harristown's White Population

1,439 residents of Harristown, or 92.8% of the population, identify as White. The share of White residents in Harristown is significantly higher than in Illinois overall, where 58.1% of the population is White. Harristown ranks 239th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Harristown's White population has grown by an estimated 16.1%. White residents' share of Harristown's population has decreased from 94.6% to 92.8%.

Harristown is more White than neighboring Warrensburg (91.4% White), Niantic (81.2% White), and Decatur (64.9% White). Harristown is less White than neighboring Boody (98% White), and Elwin (100% White).

Harristown's Black Population

0 residents of Harristown, or 0.0% of the population, identify as Black. The share of Black residents in Harristown is considerably lower than in Illinois overall, where 13.3% of the population is Black. Harristown ranks 835th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Harristown's Black population has declined by an estimated 100.0%. Black residents' share of Harristown's population has decreased from 0.5% to 0.0%.

Harristown is less Black than neighboring Decatur (23.3% Black).

Harristown's Asian Population

13 residents of Harristown, or 0.8% of the population, identify as Asian. The share of Asian residents in Harristown is lower than in Illinois overall, where 5.9% of the population is Asian. Harristown ranks 745th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Harristown's Asian population has grown by an estimated 160.0%. Asian residents' share of Harristown's population has remained roughly unchanged at 0.8%.

Harristown is more Asian than neighboring Boody (0% Asian), Warrensburg (0% Asian), Niantic (0% Asian), and Elwin (0% Asian). Harristown is less Asian than neighboring Decatur (1.5% Asian).

Harristown's Hispanic Population

11 residents of Harristown, or 0.7% of the population, identify as Hispanic. The share of Hispanic residents in Harristown is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Harristown ranks 1209th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Harristown's Hispanic population has declined by an estimated 26.7%. Hispanic residents' share of Harristown's population has remained roughly unchanged at 0.7%.

Harristown is more Hispanic than neighboring Elwin (0% Hispanic). Harristown is less Hispanic than neighboring Boody (2% Hispanic), Warrensburg (1.3% Hispanic), Niantic (10% Hispanic), and Decatur (3.3% Hispanic).

Harristown's Native American/Other Population

12 residents of Harristown, or 0.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Harristown is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Harristown ranks 358th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Harristown's Native American/Other population has grown by an estimated 50.0%. Native American/Other residents' share of Harristown's population has remained roughly unchanged at 0.8%.

Harristown is more Native American/Other than neighboring Boody (0% Native American/Other), Warrensburg (0% Native American/Other), Niantic (0.6% Native American/Other), Elwin (0% Native American/Other), and Decatur (0.6% Native American/Other).

Harristown's Multiracial Population

75 residents of Harristown, or 4.8% of the population, identify as Multiracial. The share of Multiracial residents in Harristown is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Harristown ranks 1026th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Harristown's Multiracial population has grown by an estimated 108.3%. Multiracial residents' share of Harristown's population has increased from 2.7% to 4.8%.

Harristown is more Multiracial than neighboring Boody (0% Multiracial), and Elwin (0% Multiracial). Harristown is less Multiracial than neighboring Warrensburg (7.3% Multiracial), Niantic (8.2% Multiracial), and Decatur (6.4% 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.