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Johnson County, IL

The certified 2024 map, county by county — Johnson in amber. Open it and every precinct inside is yours to model.

Model Johnson County, precinct by precinct →

Illinois by certified 2024 presidential result · Johnson County in amber · open the live map →

2024 president

Republican R+58.3

Votes cast

6,103

State

Illinois

Grain

Precinct-level

Frequently asked

How did Johnson County vote in 2024?

R+58.3 for president — 1,241 Democratic · 4,798 Republican of 6,103 votes.

Can I model Johnson County precinct by precinct?

Yes — open the county in the simulator and every precinct inside it is editable, with real 2024 returns as the baseline. The county rolls up live into its statewide races.

What races cover Johnson County?

Every statewide race (U.S. Senate, Governor, the executive offices) plus its U.S. House and state-legislature districts — all modelable from the same county baseline.

Every county in Illinois

Adams Alexander Bond Boone Brown Bureau Calhoun Carroll Cass Champaign Christian Clark Clay Clinton Coles Cook Crawford Cumberland De Witt DeKalb Douglas DuPage Edgar Edwards Effingham Fayette Ford Franklin Fulton Gallatin Greene Grundy Hamilton Hancock Hardin Henderson Henry Iroquois Jackson Jasper Jefferson Jersey Jo Daviess Kane Kankakee Kendall Knox Lake LaSalle Lawrence Lee Livingston Logan Macon Macoupin Madison Marion Marshall Mason Massac McDonough McHenry McLean Menard Mercer Monroe Montgomery Morgan Moultrie Ogle Peoria Perry Piatt Pike Pope Pulaski Putnam Randolph Richland Rock Island Saline Sangamon Schuyler Scott Shelby St. Clair Stark Stephenson Tazewell Union Vermilion Wabash Warren Washington Wayne White Whiteside Will Williamson Winnebago Woodford

The races above this county

Illinois U.S. Senate · Governor · the 2026 Senate board · the 2026 House board