Akashic
1892–2024
Akashic
Illinois 99th State House District
presidential margin
2008R+11.92012R+25.32016R+38.22020R+38.92024R+40.1
full record · 2008 → 2024
R+40.1
2024
median income$66,098U.S. $80,734 · IL $83,390
median age40.8U.S. 39.1 · IL 39.1
poverty rate13.8%U.S. 12.5% · IL 11.8%
bachelor’s+ (25+)23.7%U.S. 35.6% · IL 37.9%
non-english6.3%U.S. 22.3% · IL 24.1%
race · ethnicity · ancestry
German25.5%
English12.1%
Irish10.7%
African American†4.8%
African0.9%
Mexican3.3%
Puerto Rican0.4%
religion

Religious adherence is published only at the county level (U.S. Religion Census). See Cass County.

American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024.

Illinois 99th State House District

Akashic
Illinois 99th State House DistrictTrumpR+40.1
2024
2024 presidential margin for Illinois 99th State House DistrictThe boundary of Illinois 99th State House District, filled by its 2024 presidential margin (R+40.1), over faint outlines of the counties it is drawn from.Illinois 99th State House District · R+40.1
How it voted
Share of the 2024 vote
Donald Trump ✓Republican69.1%34,063
Kamala HarrisDemocratic29.0%14,281
Robert F. Kennedy Jr.Independent2.0%965
D+60
R+60
District boundary, filled by its own 2024 D-vs-R margin — precinct detail where available, over the 5 counties it's drawn from (shown faint).
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
County-level results (5 counties) — table
2024 presidential result by county for Illinois 99th State House District — winner and D-vs-R margin.
CountyWinnerMargin
Adams County, ILRepublicanR+47.4
Brown County, ILRepublicanR+59.9
Cass County, ILRepublicanR+43.4
Morgan County, ILRepublicanR+32.4
Schuyler County, ILRepublicanR+46.8
5 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
R
29.0%Harris14,281
69.1%Trump34,063
2.0%Kennedy965
−40.1%
49,309
R
29.5%Biden15,216
68.4%Trump35,272
2.1%Jorgensen1,076
−38.9%
51,564
R
28.1%Clinton13,916
66.3%Trump32,867
5.6%Johnson2,797
−38.2%
49,580
R
37.4%Obama17,447
62.6%Romney29,245
0.0%
−25.3%
46,692
R
43.0%Obama21,503
54.9%McCain27,477
2.1%Nader1,032
−11.9%
50,012
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 2008 to 2024. Most recent: −40.1% in 2024.−40.1%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008−11.9%
2012−25.3%
2016−38.2%
2020−38.9%
2024−40.1%
DemocraticRepublican
current representation
Current officeholders
RKyle MooreState House · 99

State legislative officeholder from OpenStates nightly current-legislator data.

Source · OpenStates current legislator CSV.

With a 2024 presidential margin of R+18.4, this district reflects the broader rural and small-city realignment visible across downstate Illinois, where once-competitive territory has shifted decisively over the past decade.

Across the recorded series it reached a Republican high of 40.1 points in 2024. Between 2020 and 2024 the district moved 1.2 points toward the Republican candidate; the 2024 margin was 40.1 points.

A population of 108,582, a 85% non-Hispanic-white share, and a median household income of $66,098 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 78 and State House District 107.

Political twins — state-house districts

The state-house districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

State House District 78
Ohio
96.0twin score
2012–2024 trajectory
State House District 107
Illinois
96.0twin score
2016–2024 trajectory12-yr trend
State House District 63
Indiana
94.7twin score
2012–2024 trajectory

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 →

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Illinois 99th State House District. Akashic. https://akashic.app/sld-lower/17099/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Places within Illinois 99th State House District

counties it covers5
Adams CountyBrown CountyCass CountyMorgan CountySchuyler County

Frequently asked questions

How did Illinois 99th State House District vote in 2024?
In 2024, Illinois 99th State House District voted Republican by 40.1 points (R+40.1), carried by the Republican candidate. Out of 49,309 votes cast, 14,281 went Democratic and 34,063 went Republican.
How many people live in Illinois 99th State House District?
Illinois 99th State House District has a population of 108,582 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Illinois 99th State House District?
Median household income in Illinois 99th State House District is $66,098 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Illinois 99th State House District?
Akashic tracks 5 presidential elections in Illinois 99th State House District from 2008 to 2024. Of those, 0 went Democratic and 5 went Republican.