Akashic EdgeAKASHIC EDGE
ElectionsCandidates
HistorianCartographer2026 ForecastArticlesAPIPricing

Latest Articles

    View all articles →

    Browse by Category

      Data Tools

      • Elections
      • Candidates
      • The Historian
      • The Cartographer
      • American Nations
      • States & Counties
      • Congressional Districts

      About

      Akashic HQ provides deep political data analysis covering 165 years of U.S. elections.

      • Data Sources & Methodology
      • Pricing
      • API Documentation
      • Contact

      © 2026 Akashic HQ. All rights reserved.

      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/2020/US House/Illinois/IL-15
      2020·US House·Illinois·District profile →

      Illinois District 15 US House

      Winner
      REP
      Mary E Miller
      73.5%244,947 votes
      Runner-up
      DEM
      Erika C Weaver
      26.6%88,559 votes
      Margin
      R+46.9
      333,506 total votes
      2 candidates333,506 total votes
      CandidatePartyVotes ▼%Vote Share
      Mary E MillerREP✓
      		REP244,94773.5%
      Erika C WeaverDEM
      		DEM88,55926.6%

      Presidential Vote by District

      5 elections · 2008–2024 · 118th Congress boundaries
      Latest (2024)R+39.9
      Shift vs 2020↓ R+1.2
      R+40R+20EvenD+20D+4020082012201620202024
      YearDem %Rep %MarginTurnout
      202429.3%69.2%R+39.9380,966
      202029.6%68.3%R+38.7395,434
      201627.7%66.0%R+38.4370,924
      201237.8%62.2%R+24.4348,190
      200844.0%53.5%R+9.5374,750

      Seat History

      US House in Illinois

      2024
      Mary E MillerREP
      R+99.5
      2022
      Mary E MillerREP
      R+42.3
      Redistricted
      2018
      John M ShimkusREP
      R+41.9
      2016
      John M ShimkusREP
      R+100.0
      2014
      John M ShimkusREP
      R+49.9
      2012
      John M ShimkusREP
      R+37.2
      Redistricted
      2010
      Timothy V JohnsonREP
      R+28.6
      2008
      Timothy V JohnsonREP
      R+28.4
      2006
      Timothy V JohnsonREP
      R+15.2
      2004
      Timothy V JohnsonREP
      R+22.1
      2002
      Timothy V JohnsonREP
      R+34.1
      Redistricted
      2000
      Timothy V JohnsonREP
      R+6.5
      1998
      Thomas W EwingREP
      R+23.1
      1996
      Thomas W EwingREP
      R+14.7
      View all US House history for Illinois →

      Candidates

      Erika C WeaverDEM
      Record0W-1L
      Avg Margin---
      Career2020-2020
      US House
      Full profile →
      Mary E MillerREP
      Record4W-1L
      Avg MarginR+10.5
      Career1990-2024
      US House / State House
      Full profile →

      Also in Illinois, 2020

      President1 contest →US Senate1 contest →
      ← All 2020 US House races2020 overviewIllinois profileAll elections