Miller Wins Fourth Term in Illinois' 15th District
Republican incumbent Mary Miller defeated Democrat Jennifer Todd in the midterm elections, with rural counties driving her margin.
Updated on Nov. 4, 2026 in Elections
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Republican incumbent Mary Miller won a fourth term in Illinois' 15th Congressional District, receiving 184,953 votes to Jennifer Todd's 93,579. Todd led in early returns on election night, but Miller's lead widened as rural counties reported.
Why it matters
The result keeps Downstate Illinois' congressional seats in Republican hands, as incumbents also retained the 12th, 15th, and 16th districts in the midterm elections. Miller's near two-to-one margin highlights the strength of rural voting blocs in the region.
Miller received 184,953 votes to Todd's 93,579 in the unofficial count, a near two-to-one margin. Miller led by more than 50 percentage points in Hancock, Pike, Schuyler, Scott, and Greene counties, though the figures remain unofficial pending certification.
The players
Mary Miller
Mary Miller is a Republican U.S. Representative from Illinois who has served the state's 15th Congressional District.
Jennifer Todd
Jennifer Todd is the Democratic nominee who challenged Mary Miller in Illinois' 15th Congressional District.
Mike Bost
Mike Bost is a Republican U.S. Representative from Illinois who represents the state's 12th Congressional District.
Darin LaHood
Darin LaHood is a Republican U.S. Representative from Illinois who represents the state's 16th Congressional District.
The details
Miller's lead widened as rural counties reported their returns, after Todd had led in early returns on election night. Mike Bost, Darin LaHood, Nikki Budzinski, and Eric Sorensen also secured re-election in their respective Illinois districts.
Timeline
November 3, 2026: Midterm elections held and results reported.
Political Context
The result extends the 15th District's established pattern of strong Republican performance in rural western and eastern counties. Democratic challengers have struggled to close the gap in the region's rural precincts.
Residents of Illinois' 15th District will be represented by Mary Miller for another two-year term. The re-election results determine the congressional representation for rural Downstate communities through the next session.
The takeaway
Rural turnout continues to shape Downstate Illinois elections, and incumbents with strong margins in those counties remain difficult to unseat. Voters tracking congressional races should watch how these margins shift as official results are certified.
Further reading
For more on congressional races across the state, see Illinois Elections.
Source note: This article includes information reported by WLDS.
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