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Ohio's 1st Congressional District
The current officeholder, the 2024 result, and a precinct-level model you can run yourself — built from how Ohio actually voted.
Model Ohio's 1st Congressional District →
Current officeholder
Greg Landsman Democratic
2024 result
Democratic D+9.2
2024 votes cast
391,909
Office
U.S. House
Who lives in this district
This district is home to about 788,977 people, median age 37, median household income $78,497.
Population
788,977
Median age
37
Median household income
$78,497
Bachelor's degree or higher
46.1%
Race & ethnicity: White 68.2% · Black 18.6% · Hispanic 4.5% · Asian 4.3%
Source: U.S. Census Bureau, 2019–2023 American Community Survey (5-year).
Precinct results — 2024 general
549 precincts reported in Ohio's 1st Congressional District's 2024 general election. The twenty largest:
| Precinct | Winner | Margin | Votes |
|---|---|---|---|
| 39165-TURTLECREEK TWP F | Republican | R+29.4 | 1,524 |
| 39165-LEBANON CITY F | Republican | R+30.8 | 1,343 |
| 39165-FRANKLIN TWP G | Republican | R+45.2 | 1,329 |
| 39165-SPRINGBORO CITY 1-B | Republican | R+25.3 | 1,309 |
| 39165-MORROW VILLAGE | Republican | R+39.6 | 1,305 |
| 39165-HAMILTON TWP I | Republican | R+26.9 | 1,302 |
| 39165-TURTLECREEK TWP A | Republican | R+33.8 | 1,274 |
| 39165-HAMILTON TWP N | Republican | R+25.3 | 1,240 |
| 39165-SOUTH LEBANON CITY D | Republican | R+21.3 | 1,181 |
| 39061-ANDERSON L | Democratic | D+0.1 | 1,179 |
| 39165-CARLISLE CITY 3-A | Republican | R+58.0 | 1,176 |
| 39165-FRANKLIN TWP D | Republican | R+26.3 | 1,170 |
| 39061-SHARONVILLE 4-B | Democratic | D+0.4 | 1,165 |
| 39165-DEERFIELD TWP K | Republican | R+4.7 | 1,165 |
| 39061-ANDERSON D | Republican | R+14.2 | 1,156 |
| 39165-DEERFIELD TWP CC | Republican | R+11.2 | 1,153 |
| 39165-CLEARCREEK TWP N | Republican | R+30.1 | 1,151 |
| 39061-ANDERSON I | Democratic | D+5.4 | 1,146 |
| 39165-WAYNE TWP D | Republican | R+60.6 | 1,132 |
| 39061-ANDERSON K | Democratic | D+3.8 | 1,129 |
All 549 precincts are modelable — open the race in the simulator and drill to precinct grain.
Find your district
Enter a ZIP code or a district (e.g. NC-4) to find your U.S. House district and who represents it.
Model Ohio's 1st Congressional District in five steps
- Set the candidates. Name the contenders for the Ohio's 1st Congressional District (or keep the generic Democrat / Republican defaults). The map starts from the canonical mixed-grain 2024 presidential baseline.
- Apply a swing. Move vote share statewide, or by demographic cohort, with a slider. The map and the running tally recompute instantly.
- Model turnout. Mobilize or depress turnout for any group — turnout and persuasion are modeled separately, the way a real campaign thinks about them.
- Explore local geography. Zoom from the state through counties to the finest supported reporting grain and adjust the places available in the model.
- Roll up & share. Roll the result up to chamber control, then share the exact versioned scenario.
Open Ohio's 1st Congressional District in the simulator →