Knoxville, IL Demographics

A map of Knoxville's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	3,083	2,680	96.0%	92.4%
Multiracial	102	114	3.2%	3.9%
Black	15	24	0.5%	0.8%
Hispanic	8	72	0.2%	2.5%
Asian	3	4	0.1%	0.1%
Native American/Other	0	7	0.0%	0.2%

Knoxville, Illinois has an estimated population of 3,211, a large increase from the 2,901 recorded in the 2020 Census. The population is 96.0% White, 3.2% Multiracial, 0.5% Black, 0.2% Hispanic, 0.1% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Knoxville, with one dot drawn for each person counted by the Census, color-coded by race.

Knoxville 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 Knoxville, that probability was 14.4% in 2020 and 7.7% in the most recent ACS estimates.

Knoxville is ranked the 418th 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). Knoxville was ranked the 436th most populous place in the 2020 Census.

Knoxville's White Population

3,083 residents of Knoxville, or 96.0% of the population, identify as White. The share of White residents in Knoxville is significantly higher than in Illinois overall, where 58.1% of the population is White. Knoxville ranks 557th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Knoxville's White population has grown by an estimated 15.0%. White residents' share of Knoxville's population has increased from 92.4% to 96.0%.

Knoxville is more White than neighboring East Galesburg (94.7% White), Galesburg (70.8% White), Wataga (89.3% White), and Henderson (74.3% White). Knoxville is less White than neighboring Gilson (100% White).

Knoxville's Black Population

15 residents of Knoxville, or 0.5% of the population, identify as Black. The share of Black residents in Knoxville is considerably lower than in Illinois overall, where 13.3% of the population is Black. Knoxville ranks 651st statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Knoxville's Black population has declined by an estimated 37.5%. Black residents' share of Knoxville's population has remained roughly unchanged at 0.5%.

Knoxville is more Black than neighboring East Galesburg (0% Black), and Gilson (0% Black). Knoxville is less Black than neighboring Galesburg (12.8% Black), Wataga (1.5% Black), and Henderson (7.4% Black).

Knoxville's Asian Population

3 residents of Knoxville, or 0.1% of the population, identify as Asian. The share of Asian residents in Knoxville is lower than in Illinois overall, where 5.9% of the population is Asian. Knoxville ranks 985th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Knoxville's Asian population has declined by an estimated 25.0%. Asian residents' share of Knoxville's population has remained roughly unchanged at 0.1%.

Knoxville is more Asian than neighboring East Galesburg (0% Asian), Gilson (0% Asian), and Henderson (0% Asian). Knoxville is less Asian than neighboring Galesburg (1.9% Asian).

Knoxville's Hispanic Population

8 residents of Knoxville, or 0.2% of the population, identify as Hispanic. The share of Hispanic residents in Knoxville is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Knoxville ranks 844th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Knoxville's Hispanic population has declined by an estimated 88.9%. Hispanic residents' share of Knoxville's population has decreased from 2.5% to 0.2%.

Knoxville is more Hispanic than neighboring Gilson (0% Hispanic). Knoxville is less Hispanic than neighboring East Galesburg (3.9% Hispanic), Galesburg (8.8% Hispanic), Wataga (3.2% Hispanic), and Henderson (10.6% Hispanic).

Knoxville's Native American/Other Population

0 residents of Knoxville, 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 Knoxville is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Knoxville ranks 960th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

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

Knoxville is less Native American/Other than neighboring Galesburg (0.6% Native American/Other), and Wataga (0.6% Native American/Other).

Knoxville's Multiracial Population

102 residents of Knoxville, or 3.2% of the population, identify as Multiracial. The share of Multiracial residents in Knoxville is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Knoxville ranks 557th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Knoxville's Multiracial population has declined by an estimated 10.5%. Multiracial residents' share of Knoxville's population has decreased from 3.9% to 3.2%.

Knoxville is more Multiracial than neighboring East Galesburg (1.4% Multiracial), and Gilson (0% Multiracial). Knoxville is less Multiracial than neighboring Galesburg (5.1% Multiracial), Wataga (5.2% Multiracial), and Henderson (7.7% 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.