119th Congress · IL-12

Illinois's 12th Congressional District

Illinois's 12th Congressional District (IL-12) has a population of 748,190. The median household income is $66,758 and the median age is 41.4.

748,190

Population

People / sq mi

$66,758

Median Income

41.4

Median Age

IL-12 covers 14,016 sq mi of land at 53.4 people per square mile.

Race & Ethnicity

White	88.6%
Black or African American	4.9%
Asian	0.0%
Hispanic or Latino (any race)	1.6%

Economy & Income

$66,758

Median Household Income

$36,072

Per Capita Income

8.7%

Poverty Rate

2.7%

Unemployment

Housing

$140,200

Median Home Value

$807

Median Rent

74.9%

Homeownership

Education

91.2%

High School+

24.1%

Bachelor's+

Other Illinois Congressional Districts

IL-1 (748,580)IL-2 (743,574)IL-3 (739,856)IL-4 (733,798)IL-5 (746,503)IL-6 (746,605)IL-7 (737,077)IL-8 (749,409)IL-9 (743,003)IL-10 (752,196)IL-11 (750,921)IL-13 (747,026)IL-14 (759,546)IL-15 (749,694)IL-16 (750,034)IL-17 (746,641)All US districts →

Largest cities in Illinois

Chicago city (2,707,648)Aurora city (179,867)Joliet city (149,785)Naperville city (149,424)Rockford city (147,649)Elgin city (114,106)Springfield city (113,714)Peoria city (112,126)

Largest counties in Illinois

Cook County (5,185,812)DuPage County (927,263)Lake County (711,885)Will County (698,450)Kane County (516,097)McHenry County (311,366)Winnebago County (283,289)Madison County (264,631)

State rankings

Densest States by Population per Square Mile Least Densely Populated States US States by Land Area Populated States Oldest States by Median Age Youngest States by Median Age Racially Diverse States States With Largest Hispanic Population States With Largest Black Population States With Largest Asian Population All rankings →

Common questions about IL-12

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Frequently Asked Questions

Illinois's 12th Congressional District (IL-12) has a population of 748,190 according to the latest Census ACS 5-Year estimates. Each US Congressional District is drawn to be roughly equal in population (~760K people).

The median household income in Illinois's 12th Congressional District is $66,758, with a per capita income of $36,072.

Illinois's 12th Congressional District is 88.6% White, 4.9% Black, 0.0% Asian, and 1.6% Hispanic or Latino, per Census ACS data.

More from Illinois

Illinois demographic profile

Statewide demographics

All US Congressional Districts

435 House districts

US States by Population

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Sources: US Census Bureau ACS 5-Year Estimates

Data for Illinois's 12th Congressional District (119th Congress) from the American Community Survey 5-Year estimates. Land area from the Census Gazetteer files. Congressional districts are redrawn after each decennial Census; the 119th Congress (current) uses post-2020 boundaries.