Logan County Demographics

A map of Logan County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	23,807	24,452	85.9%	87.4%
Black	1,483	1,494	5.4%	5.3%
Multiracial	1,287	920	4.6%	3.3%
Hispanic	966	818	3.5%	2.9%
Asian	130	178	0.5%	0.6%
Native American/Other	40	125	0.1%	0.4%

Logan County, Illinois has an estimated population of 27,713, a less than 1% change from the 27,987 recorded in the 2020 Census. The population is 85.9% White, 5.4% Black, 4.6% Multiracial, 3.5% Hispanic, 0.5% Asian, and 0.1% Native American/Other. This demographic dot map shows the population of Logan County, with one dot drawn for each person counted by the Census, color-coded by race.

Logan 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 Logan County, that probability was 23.2% in 2020 and 25.6% in the most recent ACS estimates.

Logan County is ranked the 49th most populous county in Illinois, out of 102 counties. Logan County was ranked the 49th most populous county in the 2020 Census.

Logan County's White Population

23,807 residents of Logan County, or 85.9% of the population, identify as White. The share of White residents in Logan County is significantly higher than in Illinois overall, where 58.1% of the population is White. Logan County ranks 56th statewide in terms of White residents as a share of the population, out of 102 counties.

Since the 2020 Census, Logan County's White population has declined by an estimated 2.6%. White residents' share of Logan County's population has decreased from 87.4% to 85.9%.

Logan County is more White than neighboring Sangamon County (77.3% White), and Macon County (73.3% White). Logan County is less White than neighboring Tazewell County (91.9% White), Menard County (94.8% White), and De Witt County (92.7% White).

Logan County's Black Population

1,483 residents of Logan County, or 5.4% of the population, identify as Black. The share of Black residents in Logan County is lower than in Illinois overall, where 13.3% of the population is Black. Logan County ranks 34th statewide in terms of Black residents as a share of the population, out of 102 counties.

Since the 2020 Census, Logan County's Black population has remained roughly the same. Black residents' share of Logan County's population has remained roughly unchanged at 5.4%.

Logan County is more Black than neighboring Tazewell County (1.6% Black), Menard County (0.5% Black), and De Witt County (1% Black). Logan County is less Black than neighboring Sangamon County (12.5% Black), and Macon County (16.2% Black).

Logan County's Asian Population

130 residents of Logan County, or 0.5% of the population, identify as Asian. The share of Asian residents in Logan County is lower than in Illinois overall, where 5.9% of the population is Asian. Logan County ranks 41st statewide in terms of Asian residents as a share of the population, out of 102 counties.

Since the 2020 Census, Logan County's Asian population has declined by an estimated 27.0%. Asian residents' share of Logan County's population has remained roughly unchanged at 0.5%.

Logan County is more Asian than neighboring Menard County (0.3% Asian), and De Witt County (0.2% Asian). Logan County is less Asian than neighboring Tazewell County (1% Asian), Sangamon County (2.3% Asian), and Macon County (1.5% Asian).

Logan County's Hispanic Population

966 residents of Logan County, or 3.5% of the population, identify as Hispanic. The share of Hispanic residents in Logan County is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Logan County ranks 53rd statewide in terms of Hispanic residents as a share of the population, out of 102 counties.

Since the 2020 Census, Logan County's Hispanic population has grown by an estimated 18.1%. Hispanic residents' share of Logan County's population has increased from 2.9% to 3.5%.

Logan County is more Hispanic than neighboring Tazewell County (2.7% Hispanic), Menard County (1.7% Hispanic), Sangamon County (2.9% Hispanic), and Macon County (2.9% Hispanic).

Logan County's Native American/Other Population

40 residents of Logan County, or 0.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Logan County is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Logan County ranks 42nd statewide in terms of Native American/Other residents as a share of the population, out of 102 counties.

Since the 2020 Census, Logan County's Native American/Other population has declined by an estimated 68.0%. Native American/Other residents' share of Logan County's population has remained roughly unchanged at 0.1%.

Logan County is more Native American/Other than neighboring Menard County (0% Native American/Other). Logan County is less Native American/Other than neighboring Tazewell County (0.3% Native American/Other), De Witt County (0.2% Native American/Other), Sangamon County (0.6% Native American/Other), and Macon County (0.5% Native American/Other).

Logan County's Multiracial Population

1,287 residents of Logan County, or 4.6% of the population, identify as Multiracial. The share of Multiracial residents in Logan County is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Logan County ranks 54th statewide in terms of Multiracial residents as a share of the population, out of 102 counties.

Since the 2020 Census, Logan County's Multiracial population has grown by an estimated 39.9%. Multiracial residents' share of Logan County's population has increased from 3.3% to 4.6%.

Logan County is more Multiracial than neighboring Tazewell County (2.5% Multiracial), Menard County (2.8% Multiracial), De Witt County (2.3% Multiracial), and Sangamon County (4.3% Multiracial). Logan County is less Multiracial than neighboring Macon County (5.6% 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.