Ohio / OH-15
Ohio District 15
Score
Irregularity score 88 Very irregularLess compact than 92% of other congressional districts.
37th least compact of 429 nationally, 1st of 15 in Ohio.
A score describes shape, not intent. Coastlines, rivers and the Voting Rights Act can all make a district irregular. How scores work
The three measures
- Polsby-Popper
- 0.16at least as compact as 21% of districts on this measure
Area compared with perimeter. Low for jagged or snaking edges.
- Reock
- 0.32at least as compact as 12% of districts on this measure
Area compared with the smallest circle around the district, counting only land. Low for stretched shapes.
- Convex hull
- 0.51at least as compact as 3% of districts on this measure
Area compared with a rubber band stretched around the district, counting only land. Low for bites and tentacles.
Each measure runs from 0 to 1, where 1 is a perfect circle or a shape with no dents.
New lines for 2026
Ohio used a different map in the 2026 election than in 2024: the 2025 Ohio Redistricting Commission plan. Source: Ohio Secretary of State (Directive 2025-55)
Cities and towns
The largest places with people in this district, from the 2020 Census. A place split between districts shows how many of its residents live in this one.
- Columbus city333,524 of its 905,748 residents
- Grove City cityall 41,252 residents
- Dublin city40,734 of its 49,328 residents
- Hilliard cityall 37,114 residents
- Piqua cityall 20,354 residents
- Washington Court House cityall 14,401 residents
- Circleville cityall 13,927 residents
- London cityall 10,279 residents
- Lincoln Village communityall 9,702 residents
- Blacklick Estates communityall 8,990 residents
And 65 smaller places. 20% of this district's people live outside any city, town or named community. How places are counted
ZIP codes
94 ZIP codes have residents in this district. 63 of them are split with other districts. A percentage is the share of that ZIP code's 2020 residents who live here.
Show all 94 ZIP codes
- 43002
- 43016 (92%)
- 43017 (82%)
- 43026
- 43029 (71%)
- 43044 (3%)
- 43064 (41%)
- 43065 (16%)
- 43068 (9%)
- 43102 (3%)
- 43103 (99%)
- 43106
- 43109
- 43110 (80%)
- 43113 (99%)
- 43115 (10%)
- 43116
- 43117
- 43119
- 43123
- 43125
- 43126
- 43128
- 43135 (16%)
- 43137
- 43140 (99%)
- 43142
- 43143
- 43145
- 43146
- 43147 (1%)
- 43151
- 43153 (99%)
- 43154 (23%)
- 43156
- 43160 (99%)
- 43162
- 43164 (97%)
- 43204
- 43206 (26%)
- 43207 (78%)
- 43215 (37%)
- 43217
- 43220 (2%)
- 43221 (33%)
- 43222
- 43223
- 43228
- 43232 (51%)
- 43235 (31%)
- 45118 (3%)
- 45123 (86%)
- 45132
- 45133 (99%)
- 45135 (97%)
- 45142 (83%)
- 45154 (5%)
- 45155
- 45159 (37%)
- 45169 (6%)
- 45171 (23%)
- 45172
- 45304 (1%)
- 45308 (39%)
- 45312 (98%)
- 45314 (1%)
- 45316 (31%)
- 45317 (50%)
- 45318 (97%)
- 45323
- 45324 (4%)
- 45326
- 45335 (1%)
- 45337 (62%)
- 45339 (70%)
- 45341 (44%)
- 45344 (33%)
- 45356 (97%)
- 45359
- 45361
- 45368 (99%)
- 45369 (38%)
- 45371 (37%)
- 45373 (9%)
- 45387 (4%)
- 45424 (1%)
- 45502 (20%)
- 45505 (1%)
- 45506 (2%)
- 45612 (12%)
- 45644 (22%)
- 45660 (3%)
- 45679 (6%)
- 45697 (9%)
These are the Census Bureau's ZIP code areas, which match residential ZIP codes closely. ZIP codes used only for PO boxes or a single organization aren't included. How ZIP codes are matched
2024 presidential vote
Ohio drew new lines for 2026, and no 2024 results have been published for them. Where the votes come from
U.S. House
Don Leonard, Democrat
Elected November 3, 2026, takes office January 3, 2027.
Unofficial results from the Ohio Secretary of State, checked November 6, 2026. A race shows a winner once news decision desks have called it. Results become official when the state certifies them. Where this comes from
Ohio's senators
- Jon Husted, RepublicanSeat on the November 3, 2026 ballot: Sherrod Brown, Democrat, won and takes office January 3, 2027.
- Bernie Moreno, Republican
Senators are elected by the whole state, so district lines don't change who they are. Senators serving as of November 6, 2026. Senators elected in November 2026 take office January 3, 2027. Where this comes from
Where it sits in Ohio
- Very compact (0 to 19)
- Compact (20 to 39)
- Middle (40 to 59)
- Irregular (60 to 79)
- Very irregular (80 to 100)
Spot a problem with this district? Email us about OH-15.