Ohio State Senate District 18
Competitive — 372K residents
Ohio State Senate District 18 is a state senate district that has a population of 372,274. In the 2024 presidential election, it voted Democratic with a margin of D+0.9. Akashic Edge tracks 5 presidential elections here, dating back to 2008.
| Year | Dem % | Rep % | Margin | Swing |
|---|---|---|---|---|
| 2024 | 50.0% | 49.0% | D+0.9 | R+1.5 |
| 2020* | 50.6% | 48.2% | D+2.4 | D+2.5 |
| 2016* | 47.9% | 48.0% | R+0.1 | R+7.1 |
| 2012* | 53.5% | 46.5% | D+7.0 | R+1.4 |
| 2008* | 53.5% | 45.1% | D+8.4 | — |
* Pre-2022 results projected onto current district boundaries. Actual boundaries at the time of the election may have differed.
What defines OH-SD-18?
OH-SD-18 has been won by both parties in the last 5 presidential elections (4D, 1R) — a genuine swing geography. It has a working-class, predominantly white electorate — strong Republican base territory.
Similar state senate districts
Ask the Historian
Key Insights
- The 2016 election was decided by just 0.1 points — razor-thin
- Won by both parties in recent history — Democrats most recently in 2024, Republicans in 2016
- Turnout decreased by 68.9 percentage points since the previous presidential election
Who Lives Here
| Group | OH-SD-18 | State | National |
|---|---|---|---|
White (Non-Hispanic) | 76.5% | 75.8% | 57.4% |
Black / African American | 12.1% | 12.2% | 12.2% |
Hispanic / Latino | 4.1% | 4.8% | 19.3% |
Multiracial / Other | 3.9% | 4.5% | 4.0% |
Asian | 3.2% | 2.6% | 6.0% |
Native American / Alaska Native | 0.2% | 0.2% | 0.9% |
Who lives in Ohio State Senate District 18? 372,274 residents as of the 2020 Census.
Demographics
Scale, voting-age share, and this geography's footprint inside the national electorate.
Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.
Age structure, language use, and nativity signals that explain how this geography differs from state and nation.
Turnout in OH-SD-18
How competitive is OH-SD-18?
Other Ohio State Senate Districts
32 total| Name | Margin ↓ |
|---|---|
| OH-SD-21 | D+64.8 |
| OH-SD-09 | D+47.2 |
| OH-SD-25 | D+43.7 |
| OH-SD-15 | D+40.8 |
| OH-SD-23 | D+33.8 |
| OH-SD-11 | D+7.0 |
| OH-SD-03 | D+7.0 |
| OH-SD-16 | D+5.5 |
| OH-SD-06 | D+3.9 |
| OH-SD-24 | D+3.3 |
| OH-SD-27 | D+1.4 |
| OH-SD-28 | D+0.6 |
| OH-SD-02 | R+7.3 |
| OH-SD-13 | R+8.6 |
| OH-SD-08 | R+11.6 |
| OH-SD-07 | R+15.8 |
| OH-SD-29 | R+20.1 |
| OH-SD-19 | R+20.7 |
| OH-SD-32 | R+22.0 |
| OH-SD-33 | R+23.9 |
| OH-SD-04 | R+24.3 |
| OH-SD-10 | R+27.5 |
| OH-SD-20 | R+28.9 |
| OH-SD-05 | R+30.2 |
| OH-SD-22 | R+33.6 |