Harrisburg, IL Demographics

A map of Harrisburg's Population by Race

Harrisburg, Illinois has an estimated population of 8,372, a slight increase from the 8,219 recorded in the 2020 Census. The population is 92.4% White, 3.4% Black, 2.8% Multiracial, 1.2% Hispanic, 0.1% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Harrisburg, with one dot drawn for each person counted by the Census, color-coded by race.

Harrisburg has become considerably less 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 Harrisburg, that probability was 26.2% in 2020 and 14.3% in the most recent ACS estimates.

Harrisburg is ranked the 257th 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). Harrisburg was ranked the 261st most populous place in the 2020 Census.

Harrisburg's White Population

7,739 residents of Harrisburg, or 92.4% of the population, identify as White. The share of White residents in Harrisburg is significantly higher than in Illinois overall, where 58.1% of the population is White. Harrisburg ranks 995th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Harrisburg's White population has grown by an estimated 10.1%. White residents' share of Harrisburg's population has increased from 85.6% to 92.4%.

Harrisburg is more White than neighboring Carrier Mills (71.8% White), Galatia (86.2% White), and Eldorado (90.5% White). Harrisburg is less White than neighboring Muddy (100% White), and Raleigh (96.6% White).

Harrisburg's Black Population

285 residents of Harrisburg, or 3.4% of the population, identify as Black. The share of Black residents in Harrisburg is lower than in Illinois overall, where 13.3% of the population is Black. Harrisburg ranks 224th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Harrisburg's Black population has declined by an estimated 25.2%. Black residents' share of Harrisburg's population has decreased from 4.6% to 3.4%.

Harrisburg is more Black than neighboring Muddy (0% Black), Raleigh (0% Black), Galatia (1.1% Black), and Eldorado (0.3% Black). Harrisburg is less Black than neighboring Carrier Mills (20.3% Black).

Harrisburg's Asian Population

9 residents of Harrisburg, or 0.1% of the population, identify as Asian. The share of Asian residents in Harrisburg is lower than in Illinois overall, where 5.9% of the population is Asian. Harrisburg ranks 361st statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Harrisburg's Asian population has declined by an estimated 89.7%. Asian residents' share of Harrisburg's population has decreased from 1.1% to 0.1%.

Harrisburg is more Asian than neighboring Muddy (0% Asian), Raleigh (0% Asian), and Galatia (0% Asian). Harrisburg is less Asian than neighboring Carrier Mills (2.6% Asian), and Eldorado (1.6% Asian).

Harrisburg's Hispanic Population

103 residents of Harrisburg, or 1.2% of the population, identify as Hispanic. The share of Hispanic residents in Harrisburg is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Harrisburg ranks 790th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Harrisburg's Hispanic population has declined by an estimated 54.4%. Hispanic residents' share of Harrisburg's population has decreased from 2.7% to 1.2%.

Harrisburg is more Hispanic than neighboring Muddy (0% Hispanic), and Raleigh (0% Hispanic). Harrisburg is less Hispanic than neighboring Carrier Mills (3.3% Hispanic), Galatia (3.9% Hispanic), and Eldorado (4.9% Hispanic).

Harrisburg's Native American/Other Population

0 residents of Harrisburg, 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 Harrisburg is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Harrisburg ranks 218th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Harrisburg's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Harrisburg's population has decreased from 0.8% to 0.0%.

Harrisburg is less Native American/Other than neighboring Galatia (0.3% Native American/Other), and Eldorado (0.8% Native American/Other).

Harrisburg's Multiracial Population

236 residents of Harrisburg, or 2.8% of the population, identify as Multiracial. The share of Multiracial residents in Harrisburg is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Harrisburg ranks 212th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Harrisburg's Multiracial population has declined by an estimated 45.0%. Multiracial residents' share of Harrisburg's population has decreased from 5.2% to 2.8%.

Harrisburg is more Multiracial than neighboring Muddy (0% Multiracial), Carrier Mills (2% Multiracial), and Eldorado (1.9% Multiracial). Harrisburg is less Multiracial than neighboring Raleigh (3.4% Multiracial), and Galatia (8.4% 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.