HarrisDemocratic29.8%48,016TrumpRepublican69.4%111,956OtherAll other candidates0.9%1,393
R+39.6- Lead
- 63,940
- Total
- 161,365
- vs nation
- R+38.2
modeled Census-place estimatemodeled estimate
Akashicstate senate district
Ohio 30th State Senate District
Office (updates table and map)
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
BidenDemocratic31.4%52,886TrumpRepublican67.3%113,456OtherAll other candidates1.4%2,304
R+35.9- Lead
- 60,570
- Total
- 168,646
- vs nation
- R+40.4
modeled Census-place estimatemodeled estimate
ClintonDemocratic31.3%52,383TrumpRepublican62.1%103,873OtherAll other candidates6.6%11,088
R+30.8- Lead
- 51,490
- Total
- 167,344
- vs nation
- R+32.9
modeled Census-place estimatemodeled estimate
ObamaDemocratic46.7%76,114RomneyRepublican50.7%82,608OtherAll other candidates2.6%4,188
R+4.0- Lead
- 6,494
- Total
- 162,910
- vs nation
- R+7.8
modeled Census-place estimatemodeled estimate
ObamaDemocratic49.7%85,670McCainRepublican47.8%82,423OtherAll other candidates2.6%4,439
D+1.9- Lead
- 3,247
- Total
- 172,532
- vs nation
- R+5.4
modeled Census-place estimatemodeled estimate
KerryDemocratic50.3%87,856BushRepublican49.1%85,801OtherAll other candidates0.6%1,007
D+1.2- Lead
- 2,055
- Total
- 174,664
- vs nation
- D+3.6
modeled Census-place estimatemodeled estimate
GoreDemocratic46.9%73,700BushRepublican47.4%74,426OtherAll other candidates5.6%8,850
R+0.5- Lead
- 726
- Total
- 156,976
- vs nation
- R+1.0
modeled Census-place estimatemodeled estimate
ClintonDemocratic51.6%79,635DoleRepublican33.6%51,914OtherAll other candidates14.8%22,910
D+17.9- Lead
- 27,721
- Total
- 154,459
- vs nation
- D+9.4
modeled Census-place estimatemodeled estimate
Key facts
- 2024 presidential margin
- R+39.6MIT Election Lab
- Population
- 342,1872024 5-year
- Population density
- 77 / sq mi2024 5-year · TIGER/Line
- Land area
- 4,458 sq miTIGER/Line
- Median household income
- $57,9202024 5-year
- White (non-Hispanic)
- 90.4%2024 5-year
- Black
- 3.2%2024 5-year
- Hispanic / Latino
- 1.4%2024 5-year
- Peak Democratic margin
- D+34.3 in 1964MIT Election Lab
- Peak Republican margin
- R+39.6 in 2024MIT Election Lab
- Most similar
- State Senate District 47, IL · twin score 96.7
presidential history
Party record book
Ohio 30th 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
Lyndon B. Johnson1964
67.2%
106,190 votes · D+34.3 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 58.7%
Republican
Donald Trump2024
69.4%
111,956 votes · R+39.6 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 68.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Franklin D. Roosevelt1936
107,628votes
58.7% of the vote · D+18.3 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 106,190 votes
Republican
Donald Trump2020
113,456votes
67.3% of the vote · R+35.9 · modeled estimate
Runner-up · Donald Trump, 2024 · 111,956 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
Michael Dukakis1988
+13.3pts D vs U.S.
Place D+5.5 · U.S. R+7.7 · modeled estimate
Runner-up · Walter Mondale, 1984 · +12.3 pts
Republican
Donald Trump2020
+40.4pts R vs U.S.
Place R+35.9 · U.S. D+4.5 · modeled estimate
Runner-up · Donald Trump, 2024 · +38.2 pts
current representation
Current officeholders
RBrian ChavezState Senate · 30
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 2 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 | R | 32.2%49,533 | 67.8%104,256 | 153,789 |
| 2020 | R | 30.5%49,895 | 69.5%113,648 | 163,543 |
Ohio 30th State Senate District sits in the Industrial Midwest. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 34.3 points in 1964 and a Republican high of 39.6 points in 2024. Between 2020 and 2024 the district moved 3.7 points toward the Republican candidate; the 2024 margin was 39.6 points.
A population of 342,187, a 90% non-Hispanic-white share, and a median household income of $57,920 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 47 and State Senate District 34.
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 47
Illinois
96.7twin score
12-yr trendelasticity2020–2024 trajectory
State Senate District 34
Michigan
94.0twin score
12-yr trendelasticity2020–2024 trajectory≠ Polish ancestry
State Senate District 31
Ohio
93.7twin score
12-yr trend2016–2024 trajectory≠ % 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.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Ohio 30th State Senate District. Akashic. https://akashic.app/sld-upper/39030/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Places within Ohio 30th State Senate District
Frequently asked questions
How did Ohio 30th State Senate District vote in 2024?
In 2024, Ohio 30th State Senate District voted Republican by 39.6 points (R+39.6), carried by the Republican candidate. Out of 161,365 votes cast, 48,016 went Democratic and 111,956 went Republican.
When did Ohio 30th State Senate District last vote Democratic?
The most recent presidential election in which Ohio 30th State Senate District voted Democratic was 2008.
How many people live in Ohio 30th State Senate District?
Ohio 30th State Senate District has a population of 342,187 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Ohio 30th State Senate District?
Median household income in Ohio 30th State Senate District is $57,920 — below the national median of $80,734. The Ohio state median is $71,389.
What is the political history of Ohio 30th State Senate District?
Akashic tracks 38 presidential elections in Ohio 30th State Senate District from 1876 to 2024. Of those, 14 went Democratic and 24 went Republican.