HarrisDemocratic53.2%46,835TrumpRepublican44.3%39,047OtherAll other candidates2.5%2,170
D+8.8- Lead
- 7,788
- Total
- 88,052
- vs nation
- D+10.3
modeled Census-place estimatemodeled estimate
Akashicstate senate district
Illinois 28th State Senate District
Contests in this Place (43 available)
President38 · 1876–2024 · 3 mapped
▦ precinct · ▥ counties · ▢ no spatial detail
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
President results by year
Modeled candidate-vote estimate on current district boundaries
BidenDemocratic58.2%55,684TrumpRepublican40.1%38,425OtherAll other candidates1.7%1,638
D+18.0- Lead
- 17,259
- Total
- 95,747
- vs nation
- D+13.6
modeled Census-place estimatemodeled estimate
ClintonDemocratic57.6%49,251TrumpRepublican36.2%30,890OtherAll other candidates6.2%5,307
D+21.5- Lead
- 18,361
- Total
- 85,448
- vs nation
- D+19.4
modeled Census-place estimatemodeled estimate
ObamaDemocratic56.0%45,355RomneyRepublican42.0%34,040OtherAll other candidates2.0%1,620
D+14.0- Lead
- 11,315
- Total
- 81,015
- vs nation
- D+10.1
modeled Census-place estimatemodeled estimate
ObamaDemocratic59.1%49,671McCainRepublican39.8%33,451OtherAll other candidates1.2%978
D+19.3- Lead
- 16,220
- Total
- 84,100
- vs nation
- D+12.0
modeled Census-place estimatemodeled estimate
KerryDemocratic51.3%43,748BushRepublican47.9%40,797OtherAll other candidates0.8%707
D+3.5- Lead
- 2,951
- Total
- 85,252
- vs nation
- D+5.9
modeled Census-place estimatemodeled estimate
GoreDemocratic50.3%38,817BushRepublican47.3%36,532OtherAll other candidates2.5%1,894
D+3.0- Lead
- 2,285
- Total
- 77,243
- vs nation
- D+2.4
modeled Census-place estimatemodeled estimate
ClintonDemocratic48.7%34,866DoleRepublican44.2%31,612OtherAll other candidates7.1%5,109
D+4.5- Lead
- 3,254
- Total
- 71,587
- vs nation
- R+4.0
modeled Census-place estimatemodeled estimate
Key facts
- 2024 presidential margin
- D+8.8MIT Election Lab
- Population
- 217,0992024 5-year
- Population density
- 3,905 / sq mi2024 5-year · TIGER/Line
- Land area
- 55.6 sq miTIGER/Line
- Median household income
- $95,6992024 5-year
- White (non-Hispanic)
- 58.8%2024 5-year
- Black
- 3.2%2024 5-year
- Hispanic / Latino
- 16.6%2024 5-year
- Peak Democratic margin
- D+21.5 in 2016MIT Election Lab
- Peak Republican margin
- R+72.1 in 1920MIT Election Lab
- Most similar
- State Senate District 8, IL · twin score 92.8
presidential history
Party record book
Illinois 28th State Senate District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Barack Obama2008
59.1%
49,671 votes · D+19.3 · modeled estimate
Runner-up · Joe Biden, 2020 · 58.2%
Republican
Warren G. Harding1920
83.6%
42,037 votes · R+72.1 · modeled estimate
Runner-up · William McKinley, 1896 · 75.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
55,684votes
58.2% of the vote · D+18.0 · modeled estimate
Runner-up · Barack Obama, 2008 · 49,671 votes
Republican
Dwight D. Eisenhower1956
85,834votes
75.0% of the vote · R+49.9 · modeled estimate
Runner-up · Richard Nixon, 1972 · 82,208 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Hillary Clinton2016
+19.4pts D vs U.S.
Place D+21.5 · U.S. D+2.1 · modeled estimate
Runner-up · Joe Biden, 2020 · +13.6 pts
Republican
William McKinley1896
+46.0pts R vs U.S.
Place R+52.0 · U.S. R+6.1 · modeled estimate
Runner-up · Warren G. Harding, 1920 · +45.9 pts
current representation
Current officeholders
DLaura MurphyState Senate · 28
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 1 House
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | D | 72.1%60,809 | 27.9%23,530 | 84,339 |
Illinois 28th State Senate District sits in the Upper Midwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 21.5 points in 2016 and a Republican high of 72.1 points in 1920. Between 2020 and 2024 the district moved 9.2 points toward the Republican candidate; the 2024 margin was 8.8 points.
A population of 217,099, a 59% non-Hispanic-white share, and a median household income of $95,699 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 8 and State Senate District 14.
Political twins — state-senate districts
The state-senate districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
State Senate District 8
Illinois
92.8twin score
2008–2016 trajectory% CatholicPolish ancestry≠ % Asian
State Senate District 14
New Jersey
89.3twin score
% Asian2012–2020 trajectory% Catholic≠ Italian ancestry
State Senate District 23
Illinois
85.9twin score
2016–2020 trajectory% AsianPolish ancestry≠ % unaffiliated
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons → · Or open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Illinois 28th State Senate District. Akashic. https://akashic.app/sld-upper/17028/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Illinois at the ballot boxAll elections →
Places within Illinois 28th State Senate District
counties it covers1
Frequently asked questions
How did Illinois 28th State Senate District vote in 2024?
In 2024, Illinois 28th State Senate District voted Democratic by 8.8 points (D+8.8), carried by the Democratic candidate. Out of 88,052 votes cast, 46,835 went Democratic and 39,047 went Republican.
When did Illinois 28th State Senate District last vote Republican?
The most recent presidential election in which Illinois 28th State Senate District voted Republican was 1992.
How many people live in Illinois 28th State Senate District?
Illinois 28th State Senate District has a population of 217,099 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Illinois 28th State Senate District?
Median household income in Illinois 28th State Senate District is $95,699 — above the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Illinois 28th State Senate District?
Akashic tracks 38 presidential elections in Illinois 28th State Senate District from 1876 to 2024. Of those, 8 went Democratic and 29 went Republican.