Illinois State House District 73

State Legislative District Profile (Lower Chamber)

Overview

District ID
il-hd-073
State
Illinois
Chamber
Lower chamber
District Code
073
Land Area
2,032.4 sq mi
Water Area
28.6 sq mi

Boundary

Boundary of Illinois State House District 73

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Bureau County766.16 sq mi37.7%88.2%
Whiteside County459.70 sq mi22.6%67.2%
Henry County210.68 sq mi10.4%25.6%
Lee County143.27 sq mi7.0%19.8%
Peoria County138.14 sq mi6.8%22.3%
Rock Island County109.02 sq mi5.4%25.5%
Stark County108.01 sq mi5.3%37.5%
Marshall County71.90 sq mi3.5%18.6%
Woodford County25.55 sq mi1.3%4.8%

Showing all 9 counties

Places

PlaceOverlapShare of district landShare of place land
Peoria city12.17 sq mi0.6%25.3%
Princeton city8.24 sq mi0.4%100.0%
Geneseo city4.65 sq mi0.2%98.6%
Joslin CDP4.64 sq mi0.2%100.0%
Chillicothe city3.51 sq mi0.2%66.6%
East Moline city2.55 sq mi0.1%17.4%
Port Byron village2.43 sq mi0.1%100.0%
Fulton city2.34 sq mi0.1%100.0%
Dunlap village2.31 sq mi0.1%82.9%
Rome CDP1.92 sq mi0.1%100.0%
Princeville village1.69 sq mi0.1%100.0%
Germantown Hills village1.63 sq mi0.1%93.2%
Rapids City village1.63 sq mi0.1%100.0%
Atkinson town1.61 sq mi0.1%84.6%
Erie village1.38 sq mi0.1%100.0%
Prophetstown city1.34 sq mi0.1%100.0%
Mossville CDP1.25 sq mi0.1%100.0%
Morrison city1.23 sq mi0.1%48.8%
Sheffield village1.17 sq mi0.1%100.0%
La Moille village1.16 sq mi0.1%100.0%
Albany village1.07 sq mi0.1%100.0%
Neponset village1.02 sq mi<0.1%100.0%
Buda village1.01 sq mi<0.1%100.0%
Wyanet village0.95 sq mi<0.1%100.0%
Walnut village0.80 sq mi<0.1%100.0%

Showing top 25 of 46 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
IL District 1678,98572.8%10.5%67.4%
IL District 1727,53525.4%3.7%28.0%
IL District 142,0331.9%0.3%4.6%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
80,747
Active Voters
74,296 (92.0%)

Party Registration

This state's voter file does not record party registration.

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202616,265 (20.1%)0 (0.0%)730 (0.9%)
2023–202457,171 (70.8%)3,329 (4.1%)9,793 (12.1%)
2021–202243,972 (54.5%)3,770 (4.7%)11,185 (13.9%)
2019–202052,782 (65.4%)7,799 (9.7%)5,990 (7.4%)
2017–201840,797 (50.5%)5,446 (6.7%)11,148 (13.8%)
2015–201643,464 (53.8%)7,738 (9.6%)16,497 (20.4%)
2013–201430,574 (37.9%)1,960 (2.4%)9,358 (11.6%)
2011–201236,399 (45.1%)1,993 (2.5%)8,999 (11.1%)

Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.

Browse the voter list for this district (premium access; sign-in required)

Source: Civitech voter file snapshot as of 12/15/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Population
108,178 (± 1,525)
Median Age
42.5
Median Household Income
$83,577 (± $2,692)
High School Graduate or Higher (age 25+)
94.6%
Bachelor's Degree or Higher (age 25+)
34.6%

Population by Age

GroupPeopleShare
Under 1824,97823.1%
18 to 6460,18155.6%
65 and over23,01921.3%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)4,0353.7%
White, not Hispanic94,48387.3%
Black, not Hispanic1,6581.5%
Asian, not Hispanic3,8643.6%
American Indian / Alaska Native, not Hispanic240.0%
Native Hawaiian / Pacific Islander, not Hispanic30.0%
Some other race, not Hispanic4640.4%
Two or more races, not Hispanic3,6473.4%

Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.

Citizen Voting Age Population

Total Citizen Population
106,188
Citizen Voting Age Population (CVAP)
81,375

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic102,42796.5%
Hispanic3,7623.5%
White95,52090.0%
Black1,8231.7%
Asian2,7592.6%
American Indian / Alaska Native240.0%
Native Hawaiian / Pacific Islander30.0%
Two or More Races2350.2%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic79,20397.3%
Hispanic2,1782.7%
White75,40792.7%
Black1,4371.8%
Asian1,8292.2%
American Indian / Alaska Native4150.5%
Native Hawaiian / Pacific Islander50.0%
Two or More Races1160.1%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).