Illinois' 3rd Congressional District
Illinois · IL-03
Illinois' 3rd Congressional District is one of 17 U.S. House districts in Illinois, represented in Congress by Delia Ramirez (Democrat). It is home to roughly 748,798 people, with a median age of 36.8. The population is about 45% Hispanic. The median household income is $87,358, and 36% of adults 25 and older hold a bachelor’s degree or higher. In the 2024 presidential election it voted safely Democratic (D+31).
Representative
Current U.S. House member (source: house.gov).
Geography
IL-03 is shown in red. Click a neighboring district to open it, or zoom out to explore the country.
Covering 157 square miles, IL-03 is the 392nd-largest of the 435 congressional districts by land area. With about 4,769 residents per square mile, it is a heavily urban district. Its shape is very irregular: the district's Polsby-Popper score of 0.10 ranks 413th of 435 nationally, where 1st is the most compact.
Presidential results
In the 2024 presidential election, 65% of IL-03 voters backed Kamala Harris and 34% Donald Trump — a D+31 margin. That is a 10.0-point shift toward the Republicans from 2020, when the district voted D+41.
Two-party presidential vote by district (source: The Downballot).
Who lives here
The median resident of the district is 36.8 years old; 21.9% of residents are under 18 and 13.1% are 65 or older. About 27.6% of residents were born outside the United States, and 49.7% speak a language other than English at home.
U.S. Census Bureau, American Community Survey (5-year estimates).
Economy & education
At $87,358, the district's median household income ranks 142nd of 435 districts nationwide. The typical owner-occupied home is worth $340,818, and the median rent is $1,402 a month. 11.6% of residents live below the poverty line, and workers average a 35.1-minute commute (15% work from home).
U.S. Census Bureau, American Community Survey (5-year estimates).