Akashic
1892–2024
Akashic
Ohio 18th State Senate District
presidential margin
2008D+3.52012D+1.82016R+5.42020R+2.72024R+3.1
full record · 2008 → 2024
R+3.1
2024
median income$86,734U.S. $80,734 · OH $71,389
median age45.0U.S. 39.1 · OH 39.8
poverty rate7.4%U.S. 12.5% · OH 13.3%
bachelor’s+ (25+)34.6%U.S. 35.6% · OH 31.6%
non-english10.7%U.S. 22.3% · OH 8.0%
race · ethnicity · ancestry
German21.1%
Irish16.8%
Italian12.3%
African American†7.4%
African0.2%
Puerto Rican2.0%
Mexican1.3%
Asian Indian1.3%
Chinese0.7%
Filipino0.4%
religion

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

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

Ohio 18th State Senate District

Akashic
Ohio 18th State Senate DistrictTrumpR+3.1
2024
2024 presidential margin for Ohio 18th State Senate DistrictThe boundary of Ohio 18th State Senate District, filled by its 2024 presidential margin (R+3.1), over faint outlines of the counties it is drawn from.Ohio 18th State Senate District · R+3.1
How it voted
Share of the 2024 vote
Donald Trump ✓Republican51.0%106,787
Kamala HarrisDemocratic48.0%100,351
Chase OliverLibertarian1.0%2,115
D+60
R+60
District boundary, filled by its own 2024 D-vs-R margin — precinct detail where available, over the 2 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 (2 counties) — table
2024 presidential result by county for Ohio 18th State Senate District — winner and D-vs-R margin.
CountyWinnerMargin
Cuyahoga County, OHDemocraticD+31.2
Lake County, OHRepublicanR+14.3
5 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
R
48.0%Harris100,351
51.0%Trump106,787
1.0%Oliver2,115
−3.1%
209,253
R
48.1%Biden103,228
50.8%Trump109,002
1.1%Jorgensen2,468
−2.7%
214,698
R
45.2%Clinton86,962
50.6%Trump97,332
4.1%Stein7,903
−5.4%
192,197
D
50.9%Obama98,707
49.1%Romney95,239
0.0%
+1.8%
193,946
D
51.0%Obama102,301
47.5%McCain95,356
1.5%Nader2,963
+3.5%
200,620
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: −3.1% in 2024.flipped R · 2016−3.1%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008+3.5%
2012+1.8%
2016−5.4%
2020−2.7%
2024−3.1%
DemocraticRepublican
current representation
Current officeholders
RJerry CirinoState Senate · 18

State legislative officeholder from OpenStates nightly current-legislator data.

Source · OpenStates current legislator CSV.

Ohio Senate District 18 delivers some of the state's most concentrated Democratic presidential margins, a pattern driven by dense urban precincts and demographics typical of a major-city core district.

Across the recorded series it reached a Democratic high of 3.5 points in 2008 and a Republican high of 5.4 points in 2016. The 2024 margin was 3.1 points.

A population of 371,394, a 81% non-Hispanic-white share, and a median household income of $86,734 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 24 and State Senate District 45.

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 24
Ohio
90.4twin score
population scaleelasticity% Catholic≠ Puerto Rican ancestry
State Senate District 45
Pennsylvania
84.9twin score
elasticity% CatholicPolish ancestry≠ college share
State Senate District 38
Pennsylvania
80.5twin score
elasticity% CatholicPolish ancestry≠ 12-yr trend

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.
Ohio 18th State Senate District. Akashic. https://akashic.app/sld-upper/39018/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Places within Ohio 18th State Senate District

counties it covers2
Cuyahoga CountyLake County

Frequently asked questions

How did Ohio 18th State Senate District vote in 2024?
In 2024, Ohio 18th State Senate District voted Republican by 3.1 points (R+3.1), carried by the Republican candidate. Out of 209,253 votes cast, 100,351 went Democratic and 106,787 went Republican.
When did Ohio 18th State Senate District last vote Democratic?
The most recent presidential election in which Ohio 18th State Senate District voted Democratic was 2012.
How many people live in Ohio 18th State Senate District?
Ohio 18th State Senate District has a population of 371,394 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Ohio 18th State Senate District?
Median household income in Ohio 18th State Senate District is $86,734 — above the national median of $80,734. The Ohio state median is $71,389.
What is the political history of Ohio 18th State Senate District?
Akashic tracks 5 presidential elections in Ohio 18th State Senate District from 2008 to 2024. Of those, 2 went Democratic and 3 went Republican.