Illinois State House District 100
Tue, Nov 3 · Represented by C.D. Davidsmeyer Republican · Member list as of Oct 28
One candidate on the printed ballot.
- Last election
- C.D. Davidsmeyer (Republican) was unopposed, 2024
- On the 2026 ballot
- 1 candidate
More about this race
Candidates on the ballot
Uncontested
One candidate on the printed ballot.
- Christopher "C.D." DavidsmeyerRepublican
Party nominees only, not the certified ballot.
Source: elections.il.gov, dated Oct 28
All State House districts
- Democratic
- Republican
- Independent
- Nonpartisan
- More than one party
- No member listed
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History (22 elections for this seat)
- Votes for listed candidates
- 50,793
- Election day
- November 5, 2024
- District map
- Older district map (2022 to 2024)
Illinois House of Representatives District 100, 1982 to 2024, 2024, every candidate Candidate Party Votes and share Share RepublicanC.D. DavidsmeyerWonName as filed: Christopher "Cd" Davidsmeyer Republican 50,793100.0% - Votes for listed candidates
- 40,156
- Election day
- November 8, 2022
- District map
- Older district map (2022)
Illinois House of Representatives District 100, 1982 to 2024, 2022, every candidate Candidate Party Votes and share Share RepublicanC.D. DavidsmeyerWon(incumbent)Name as filed: Christopher D. Davidsmeyer Republican 40,156100.0% - Votes for listed candidates
- 51,361
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 100, 1982 to 2024, 2020, every candidate Candidate Party Votes and share Share RepublicanC.D. DavidsmeyerWon(incumbent)Name as filed: Christopher Davidsmeyer Republican 38,57875.1% DemocraticBrandon Adams Democratic 10,53320.5% OtherRalph Sides Other 2,2504.4% - Votes for listed candidates
- 33,271
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 100, 1982 to 2024, 2018, every candidate Candidate Party Votes and share Share RepublicanC.D. DavidsmeyerWon(incumbent)Name as filed: Christopher Davidsmeyer Republican 33,271100.0% - Votes for listed candidates
- 41,488
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 100, 1982 to 2024, 2016, every candidate Candidate Party Votes and share Share RepublicanC.D. DavidsmeyerWon(incumbent)Name as filed: Christopher Davidsmeyer Republican 41,488100.0% - Votes for listed candidates
- 37,206
- Election day
- November 4, 2014
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 100, 1982 to 2024, 2014, every candidate Candidate Party Votes and share Share RepublicanChristopher DavidsmeyerWon Republican 24,48165.8% DemocraticJosh Evans Democratic 12,72534.2% - Votes for listed candidates
- 39,112
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 100, 1982 to 2024, 2012, every candidate Candidate Party Votes and share Share RepublicanJim WatsonWon(incumbent) Republican 39,112100.0% - Votes for listed candidates
- 40,474
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 100, 1982 to 2024, 2010, every candidate Candidate Party Votes and share Share RepublicanRich BrauerWon(incumbent) Republican 40,474100.0% - Votes for listed candidates
- 53,299
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 100, 1982 to 2024, 2008, every candidate Candidate Party Votes and share Share RepublicanRich BrauerWon(incumbent) Republican 53,299100.0% - Votes for listed candidates
- 41,748
- Election day
- November 7, 2006
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 100, 1982 to 2024, 2006, every candidate Candidate Party Votes and share Share RepublicanRich BrauerWon(incumbent) Republican 41,748100.0% - Votes for listed candidates
- 50,856
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 100, 1982 to 2024, 2004, every candidate Candidate Party Votes and share Share RepublicanRich BrauerWon(incumbent) Republican 50,856100.0% - Votes for listed candidates
- 48,861
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 100, 1982 to 2024, 2002, every candidate Candidate Party Votes and share Share RepublicanRich BrauerWon Republican 30,82563.1% DemocraticCarl D. Oblinger Democratic 18,03636.9% - Votes for listed candidates
- 38,313
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 100, 1982 to 2024, 2000, every candidate Candidate Party Votes and share Share RepublicanGwenn KlinglerWon(incumbent) Republican 38,313100.0% - Votes for listed candidates
- 39,823
- Election day
- November 3, 1998
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 100, 1982 to 2024, 1998, every candidate Candidate Party Votes and share Share RepublicanGwenn KlinglerWon(incumbent) Republican 25,31363.6% DemocraticDave Defraties Democratic 14,51036.4% - Votes for listed candidates
- 45,559
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 100, 1982 to 2024, 1996, every candidate Candidate Party Votes and share Share RepublicanGwenn KlinglerWon(incumbent) Republican 24,53653.9% DemocraticMary Lou Kent Democratic 21,02346.1% - Votes for listed candidates
- 40,471
- Election day
- November 8, 1994
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 100, 1982 to 2024, 1994, every candidate Candidate Party Votes and share Share RepublicanGwenn KlinglerWon Republican 20,89051.6% DemocraticMary Lou Kent Democratic 19,58148.4% - Votes for listed candidates
- 50,623
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 100, 1982 to 2024, 1992, every candidate Candidate Party Votes and share Share DemocraticMichael CurranWon(incumbent) Democratic 30,89861.0% RepublicanJack Pfeiffer Republican 19,72539.0% - Votes for listed candidates
- 45,165
- Election day
- November 6, 1990
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 100, 1982 to 2024, 1990, every candidate Candidate Party Votes and share Share RepublicanKaren HasaraWon(incumbent) Republican 31,08468.8% DemocraticMonroe D. McWard Democratic 14,08131.2% - Votes for listed candidates
- 46,985
- Election day
- November 8, 1988
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 100, 1982 to 2024, 1988, every candidate Candidate Party Votes and share Share RepublicanKaren HasaraWon(incumbent) Republican 29,33762.4% DemocraticJon K. Ellis Democratic 17,64837.6% - Votes for listed candidates
- 40,662
- Election day
- November 4, 1986
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 100, 1982 to 2024, 1986, every candidate Candidate Party Votes and share Share RepublicanKaren HasaraWon Republican 21,10151.9% DemocraticDon Huddleston Democratic 19,56148.1% - Votes for listed candidates
- 45,757
- Election day
- November 6, 1984
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 100, 1982 to 2024, 1984, every candidate Candidate Party Votes and share Share RepublicanJosephine K. OblingerWon(incumbent) Republican 28,67162.7% DemocraticMike Southworth Democratic 17,08637.3% - Votes for listed candidates
- 39,507
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 100, 1982 to 2024, 1982, every candidate Candidate Party Votes and share Share RepublicanJosephine K. OblingerWon(incumbent) Republican 24,61562.3% DemocraticJohn Michael Marty Democratic 14,89237.7%
- 2024: MEDSL 2024 official precinct returns (individual_states zips), retrieved Oct 28, 2026. Compiled by MIT Election Data and Science Lab (MEDSL) from official returns; not an official source
- 1982 to 2022: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), retrieved Oct 28, 2026. Compiled by Carl Klarner (Harvard Dataverse) from official returns; not an official source
Last contest in this district on file: 2024.
Download and cite
Cite this page
Election Wrld. (2026). Illinois State House District 100, election results 1982 to 2024. https://www.electionwrld.com/il/house/100. Retrieved October 30, 2026.
Embed this seat
<iframe src="https://www.electionwrld.com/embed/il/house/100" title="Illinois House of Representatives District 100" width="100%" height="400" style="border:0;max-width:640px" loading="lazy"></iframe>
<p style="font-size:13px">Data: <a href="https://www.electionwrld.com">Election Wrld</a>, CC BY 4.0</p>Sources
Sources: Census TIGERweb Legislative MapServer (120th CDs layer 0, 119th CDs layer 4, 2026 SLD upper layer 1 and lower layer 2) (US Census Bureau, public domain), retrieved Oct 28, 2026; Open Civic Data division identifiers (census_autogenerated us_sldl/us_sldu and openstates state files); also (sld-recent.json): Open Civic Data division identifiers (country-us) (CC0 (repository); also (sld-recent.json): CC0 1.0), retrieved Oct 28, 2026; Open States people (current) CSVs (CC0-1.0 (Open States people data)), retrieved Oct 28, 2026, compiled by Open States volunteers and staff (rosters from state legislature sites) from official returns, not an official source; MEDSL 2024 official precinct returns (individual_states zips) (Not stated in the GitHub repository (an earlier label said "MIT (repo)", which the repository does not support). MEDSL's Harvard Dataverse records are CC0 1.0, but these GitHub files were not checksum-matched to the Dataverse files, so CC0 is not claimed for them.), retrieved Oct 28, 2026, compiled by MIT Election Data and Science Lab (MEDSL) from official returns, not an official source; State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse) (CC0 1.0), retrieved Oct 28, 2026, compiled by Carl Klarner (Harvard Dataverse) from official returns, not an official source.
District id: ocd-division/country:us/state:il/sldl:100
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), DIME (ODC-BY), MEDSL 2024 official precinct returnsData as of Oct 28, 2026