Illinois State House District 1
Tue, Nov 3 · Represented by Aarón Ortíz Democratic · Member list as of Oct 28
Aarón OrtízDemocratic · Incumbent8 years since first win
One candidate on the printed ballot.
- Last election
- Aarón Ortíz (Democratic) was unopposed, 2024
- On the 2026 ballot
- 1 candidate
More about this race
Candidates on the ballot
Uncontested
One candidate on the printed ballot.
- Aarón OrtízIncumbentDemocratic
Party nominees only, not the certified ballot.
Source: elections.il.gov, dated Oct 28
All State House districts
Select a shape for details. Arrow keys move between shapes.
- Democratic
- Republican
- Independent
- Nonpartisan
- More than one party
- No member listed
Map settings
Vote in Illinois
Trouble voting? Election Protection hotline: 866-OUR-VOTE. A nonpartisan coalition of civil-rights and voting-rights groups, not a government service. 866ourvote.org
History (29 elections for this seat)
- Votes for listed candidates
- 18,308
- Election day
- November 5, 2024
- District map
- Older district map (2022 to 2024)
Illinois House of Representatives District 1, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share DemocraticAarón OrtízWon Democratic 18,308100.0% - Votes for listed candidates
- 11,611
- Election day
- November 8, 2022
- District map
- Older district map (2022)
Illinois House of Representatives District 1, 1968 to 2024, 2022, every candidate Candidate Party Votes and share Share DemocraticAarón OrtízWon(incumbent) Democratic 11,611100.0% - Votes for listed candidates
- 21,204
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 1, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share DemocraticAarón OrtízWon(incumbent) Democratic 21,204100.0% - Votes for listed candidates
- 16,913
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 1, 1968 to 2024, 2018, every candidate Candidate Party Votes and share Share DemocraticAarón OrtízWon Democratic 16,913100.0% - Votes for listed candidates
- 21,609
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 1, 1968 to 2024, 2016, every candidate Candidate Party Votes and share Share DemocraticDaniel J. BurkeWon(incumbent) Democratic 21,609100.0% - Votes for listed candidates
- 11,710
- Election day
- November 4, 2014
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 1, 1968 to 2024, 2014, every candidate Candidate Party Votes and share Share DemocraticDaniel J. BurkeWon(incumbent) Democratic 11,710100.0% - Votes for listed candidates
- 18,561
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 1, 1968 to 2024, 2012, every candidate Candidate Party Votes and share Share DemocraticDaniel J. BurkeWon(incumbent) Democratic 18,561100.0% - Votes for listed candidates
- 7,210
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 1, 1968 to 2024, 2010, every candidate Candidate Party Votes and share Share DemocraticSusana MendozaWon(incumbent) Democratic 7,210100.0% - Votes for listed candidates
- 12,132
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 1, 1968 to 2024, 2008, every candidate Candidate Party Votes and share Share DemocraticSusana MendozaWon(incumbent) Democratic 12,132100.0% - Votes for listed candidates
- 9,539
- Election day
- November 7, 2006
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 1, 1968 to 2024, 2006, every candidate Candidate Party Votes and share Share DemocraticSusana MendozaWon(incumbent) Democratic 8,66990.9% RepublicanSuzanne Ramos Republican 8709.1% - Votes for listed candidates
- 11,264
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 1, 1968 to 2024, 2004, every candidate Candidate Party Votes and share Share DemocraticSusana MendozaWon(incumbent) Democratic 11,264100.0% - Votes for listed candidates
- 7,456
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 1, 1968 to 2024, 2002, every candidate Candidate Party Votes and share Share DemocraticSusana MendozaWon(incumbent) Democratic 7,456100.0% - Votes for listed candidates
- 10,054
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 1, 1968 to 2024, 2000, every candidate Candidate Party Votes and share Share DemocraticSusana MendozaWon Democratic 10,054100.0% - Votes for listed candidates
- 7,684
- Election day
- November 3, 1998
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 1, 1968 to 2024, 1998, every candidate Candidate Party Votes and share Share DemocraticSonia SilvaWon(incumbent) Democratic 6,23781.2% RepublicanTheresa Garcia Republican 1,44718.8% - Votes for listed candidates
- 9,832
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 1, 1968 to 2024, 1996, every candidate Candidate Party Votes and share Share DemocraticSonia SilvaWon Democratic 9,832100.0% - Votes for listed candidates
- 5,642
- Election day
- November 8, 1994
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 1, 1968 to 2024, 1994, every candidate Candidate Party Votes and share Share DemocraticRafael FriasWon(incumbent) Democratic 5,642100.0% - Votes for listed candidates
- 10,342
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 1, 1968 to 2024, 1992, every candidate Candidate Party Votes and share Share DemocraticRafael FriasWon Democratic 10,342100.0% - Votes for listed candidates
- 27,700
- Election day
- November 6, 1990
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 1, 1968 to 2024, 1990, every candidate Candidate Party Votes and share Share DemocraticLouis I. LangWon(incumbent) Democratic 18,39966.4% RepublicanPeggy Agnos Republican 9,30133.6% - Votes for listed candidates
- 40,280
- Election day
- November 8, 1988
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 1, 1968 to 2024, 1988, every candidate Candidate Party Votes and share Share DemocraticLouis I. LangWon Democratic 24,36160.5% RepublicanKenneth H. Hollander Republican 15,91939.5% - Votes for listed candidates
- 30,366
- Election day
- November 4, 1986
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 1, 1968 to 2024, 1986, every candidate Candidate Party Votes and share Share DemocraticAlan J. GreimanWon(incumbent) Democratic 20,16266.4% RepublicanKenneth H. Hollander Republican 10,20433.6% - Votes for listed candidates
- 43,277
- Election day
- November 6, 1984
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 1, 1968 to 2024, 1984, every candidate Candidate Party Votes and share Share DemocraticAlan J. GreimanWon(incumbent) Democratic 27,21662.9% RepublicanLenore Picker Janecek Republican 16,06037.1% Scattered write-ins Write-in 10.0% - Votes for listed candidates
- 35,107
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 1, 1968 to 2024, 1982, every candidate Candidate Party Votes and share Share DemocraticAlan J. GreimanWon(incumbent) Democratic 26,28574.9% RepublicanJohn Bill Handzel Sr. Republican 8,82225.1% - Votes for listed candidates
- 307,236
- Election day
- November 4, 1980
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 1, 1968 to 2024, 1980, every candidate Candidate Party Votes and share Share RepublicanMary Jeanne HallstromWon(incumbent) Republican 93,54530.4% RepublicanJohn L. BirkinbineWon(incumbent) Republican 89,78929.2% DemocraticHarold A. KatzWon(incumbent) Democratic 74,37224.2% DemocraticMichael E. Pollak Democratic 49,53016.1% - Votes for listed candidates
- 223,366
- Election day
- November 7, 1978
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 1, 1968 to 2024, 1978, every candidate Candidate Party Votes and share Share RepublicanMary Jeanne HallstromWon Republican 75,14033.6% DemocraticHarold A. KatzWon(incumbent) Democratic 61,96627.7% RepublicanJohn L. BirkinbineWon Republican 58,73026.3% DemocraticJoseph F. Rossberger Jr. Democratic 27,53012.3% - Votes for listed candidates
- 291,152
- Election day
- November 2, 1976
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 1, 1968 to 2024, 1976, every candidate Candidate Party Votes and share Share RepublicanJohn Edward PorterWon(incumbent) Republican 96,04433.0% RepublicanRoger A. KeatsWon Republican 79,93627.5% DemocraticHarold A. KatzWon(incumbent) Democratic 79,09927.2% DemocraticJoseph F. Rossberger Jr. Democratic 36,07312.4% - Votes for listed candidates
- 178,436
- Election day
- November 4, 1974
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 1, 1968 to 2024, 1974, every candidate Candidate Party Votes and share Share RepublicanBrian B. DuffWon(incumbent) Republican 55,33031.0% RepublicanJohn Edward PorterWon(incumbent) Republican 51,90229.1% DemocraticHarold A. KatzWon(incumbent) Democratic 46,05925.8% DemocraticDorothy Henehan Democratic 25,14514.1% - Votes for listed candidates
- 278,033
- Election day
- November 7, 1972
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 1, 1968 to 2024, 1972, every candidate Candidate Party Votes and share Share RepublicanBrian B. DuffWon(incumbent) Republican 104,68737.6% RepublicanJohn Edward PorterWon Republican 77,52027.9% DemocraticHarold A. KatzWon(incumbent) Democratic 72,70326.1% DemocraticDonald L. Norman Democratic 23,1228.3% Scattered write-ins Write-in 10.0% - Votes for listed candidates
- 214,858
- Election day
- November 3, 1970
- Seats
- 3
- District map
- Older district map (1966 to 1971)
Illinois House of Representatives District 1, 1968 to 2024, 1970, every candidate Candidate Party Votes and share Share RepublicanBrian B. DuffWon Republican 69,09432.2% DemocraticHarold A. KatzWon(incumbent) Democratic 63,54129.6% RepublicanBradley M. GlassWon Republican 55,03925.6% DemocraticClaude L. Carney Democratic 27,18112.7% Scattered write-ins Write-in 30.0% - Votes for listed candidates
- 262,080
- Election day
- November 5, 1968
- Seats
- 3
- District map
- Older district map (1966 to 1971)
Illinois House of Representatives District 1, 1968 to 2024, 1968, every candidate Candidate Party Votes and share Share RepublicanFrances L. DawsonWon(incumbent) Republican 94,93536.2% RepublicanAlan R. JohnstonWon(incumbent) Republican 75,66328.9% DemocraticHarold A. KatzWon(incumbent) Democratic 60,28823.0% DemocraticHenry T. Synek Democratic 31,19411.9%
- 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
- 1968 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 1, election results 1968 to 2024. https://www.electionwrld.com/il/house/1. Retrieved October 31, 2026.
Embed this seat
<iframe src="https://www.electionwrld.com/embed/il/house/1" title="Illinois House of Representatives District 1" 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>Paste this into any web page. It shows the seat, its last result and the next election.
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:1
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