Kane County Demographics

A map of Kane County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	279,104	282,307	54.0%	54.7%
Hispanic	172,723	169,595	33.4%	32.8%
Black	24,561	26,239	4.7%	5.1%
Asian	20,876	21,191	4.0%	4.1%
Multiracial	17,476	15,040	3.4%	2.9%
Native American/Other	2,515	2,150	0.5%	0.4%

Kane County, Illinois has an estimated population of 517,255, a less than 1% change from the 516,522 recorded in the 2020 Census. The population is 54.0% White, 33.4% Hispanic, 4.7% Black, 4.0% Asian, 3.4% Multiracial, and 0.5% Native American/Other. This demographic dot map shows the population of Kane County, with one dot drawn for each person counted by the Census, color-coded by race.

Kane is about as racially diverse as it was in the 2020 Census. It is 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 Kane County, that probability was 58.8% in 2020 and 59.2% in the most recent ACS estimates.

Kane County is ranked the 5th most populous county in Illinois, out of 102 counties. Kane County was ranked the 5th most populous county in the 2020 Census.

Kane County's White Population

279,104 residents of Kane County, or 54.0% of the population, identify as White. The share of White residents in Kane County is slightly lower than in Illinois overall, where 58.1% of the population is White. Kane County ranks 101st statewide in terms of White residents as a share of the population, out of 102 counties.

Since the 2020 Census, Kane County's White population has declined by an estimated 1.1%. White residents' share of Kane County's population has decreased from 54.7% to 54.0%.

Kane County is less White than neighboring DeKalb County (71% White), Kendall County (62% White), DuPage County (62.2% White), McHenry County (76.1% White), and Boone County (68% White).

Kane County's Black Population

24,561 residents of Kane County, or 4.7% of the population, identify as Black. The share of Black residents in Kane County is lower than in Illinois overall, where 13.3% of the population is Black. Kane County ranks 35th statewide in terms of Black residents as a share of the population, out of 102 counties.

Since the 2020 Census, Kane County's Black population has declined by an estimated 6.4%. Black residents' share of Kane County's population has remained roughly unchanged at 4.7%.

Kane County is more Black than neighboring McHenry County (1.4% Black), and Boone County (2.3% Black). Kane County is less Black than neighboring DeKalb County (6.8% Black), Kendall County (7.6% Black), and DuPage County (4.8% Black).

Kane County's Asian Population

20,876 residents of Kane County, or 4.0% of the population, identify as Asian. The share of Asian residents in Kane County is comparable to the share in Illinois overall, where 5.9% of the population is Asian. Kane County ranks 8th statewide in terms of Asian residents as a share of the population, out of 102 counties.

Since the 2020 Census, Kane County's Asian population has declined by an estimated 1.5%. Asian residents' share of Kane County's population has remained roughly unchanged at 4.0%.

Kane County is more Asian than neighboring DeKalb County (2.2% Asian), Kendall County (3.5% Asian), McHenry County (3% Asian), and Boone County (1% Asian). Kane County is less Asian than neighboring DuPage County (13% Asian).

Kane County's Hispanic Population

172,723 residents of Kane County, or 33.4% of the population, identify as Hispanic. The share of Hispanic residents in Kane County is considerably higher than in Illinois overall, where 18.8% of the population is Hispanic. Kane County ranks 1st statewide in terms of Hispanic residents as a share of the population, out of 102 counties.

Since the 2020 Census, Kane County's Hispanic population has grown by an estimated 1.8%. Hispanic residents' share of Kane County's population has increased from 32.8% to 33.4%.

Kane County is more Hispanic than neighboring DeKalb County (14.5% Hispanic), Kendall County (22.4% Hispanic), DuPage County (16.1% Hispanic), McHenry County (16.1% Hispanic), and Boone County (25.6% Hispanic).

Kane County's Native American/Other Population

2,515 residents of Kane County, or 0.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Kane County is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Kane County ranks 49th statewide in terms of Native American/Other residents as a share of the population, out of 102 counties.

Since the 2020 Census, Kane County's Native American/Other population has grown by an estimated 17.0%. Native American/Other residents' share of Kane County's population has remained roughly unchanged at 0.5%.

Kane County is more Native American/Other than neighboring McHenry County (0.3% Native American/Other), and Boone County (0.4% Native American/Other). Kane County is less Native American/Other than neighboring DeKalb County (0.7% Native American/Other).

Kane County's Multiracial Population

17,476 residents of Kane County, or 3.4% of the population, identify as Multiracial. The share of Multiracial residents in Kane County is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Kane County ranks 75th statewide in terms of Multiracial residents as a share of the population, out of 102 counties.

Since the 2020 Census, Kane County's Multiracial population has grown by an estimated 16.2%. Multiracial residents' share of Kane County's population has increased from 2.9% to 3.4%.

Kane County is more Multiracial than neighboring McHenry County (3.2% Multiracial), and Boone County (2.8% Multiracial). Kane County is less Multiracial than neighboring DeKalb County (4.8% Multiracial), Kendall County (3.9% Multiracial), and DuPage County (3.5% 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.