Ohio 15th Congressional District, Ohio: Bellwether district. In 2024, voted D+9%. Republican peak: R+35 in 1928.
Key facts
- 2024 presidential margin
- D+9MIT Election Lab
- Political archetype
- BellwetherAkashic typology
- Population
- 1,063,6992024 5-year
- Median household income
- $74,4032024 5-year
- White (non-Hispanic)
- 66.2%2024 5-year
- Black
- 18.5%2024 5-year
- Hispanic / Latino
- 6.3%2024 5-year
- Peak Democratic margin
- D+16 in 1936MIT Election Lab
- Peak Republican margin
- R+35 in 1928MIT Election Lab
Constituent county margins for Congressional District 15, OHOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
R+60D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 263,654 | 219,532 | 492,645 | ||
| D | 282,208 | 216,547 | 506,947 | ||
| D | 244,138 | 199,116 | 476,685 | ||
| D | 253,832 | 201,522 | 466,043 | ||
| D | 249,186 | 203,477 | 460,385 | ||
| D | 219,941 | 216,864 | 438,984 | ||
| R | 163,018 | 176,759 | 351,468 | ||
| D | 157,563 | 151,879 | 339,851 | ||
| R | 142,473 | 158,075 | 374,353 | ||
| R | 120,727 | 196,078 | 319,777 | ||
| R | 107,325 | 215,517 | 328,925 | ||
| R | 120,424 | 170,350 | 314,247 | ||
| R | 124,458 | 161,689 | 294,072 | ||
| R | 97,532 | 189,884 | 294,299 | ||
| R | 95,722 | 132,226 | 261,566 | ||
| D | 146,260 | 112,835 | 259,096 | ||
| R | 100,827 | 151,905 | 252,732 | ||
| R | 74,452 | 142,590 | 217,042 | ||
| R | 86,251 | 133,341 | 219,591 | ||
| R | 80,027 | 93,309 | 174,418 | ||
| R | 86,455 | 100,082 | 186,537 | ||
| D | 96,635 | 95,392 | 192,027 | ||
| D | 95,837 | 68,747 | 169,176 | ||
| R | 68,433 | 73,508 | 145,216 | ||
| R | 47,320 | 98,768 | 146,810 | ||
| R | 33,137 | 71,099 | 118,941 | ||
| R | 54,758 | 72,317 | 129,152 | ||
| D | 37,572 | 31,259 | 70,842 | ||
| D | 25,024 | 19,594 | 63,331 | ||
| R | 29,017 | 35,736 | 67,256 | ||
| R | 20,564 | 35,497 | 58,462 | ||
| R | 26,582 | 31,521 | 58,998 | ||
| R | 26,575 | 29,539 | 56,692 | ||
| R | 21,788 | 22,886 | 46,978 | ||
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Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
19.1%
Irish
11.6%
English
10.7%
American
5.2%
Italian
4.5%
Scottish
1.9%
Polish
1.6%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Age distribution by sex
Median age: 36.4 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$74,403
Congressional District 15 ranks near the middle of US counties.
Congressional District 15$74,403
Ohio$71,389
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
14.0%
Children face moderate poverty.
Children under 1819.1%
Working age (18–64)12.6%
Seniors (65+)10.9%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
86.6%
speak English only
Spanish4.3%
Other languages3.7%
Other Indo-European3.4%
Asian & Pacific Islander2.1%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 54.8% of residents not counted as adherents by any reporting body.
Ohio 15th Congressional District in the Industrial Midwest has, for decades, voted very close to the way the country has voted. Its margins are typically narrow, and the candidate who carries Ohio 15th Congressional District more often than not also wins the national popular vote.
The Democratic margin in Ohio 15th Congressional District has rarely exceeded sixteen points in modern history; the Republican margin has rarely exceeded thirty-five points. 2024 delivered the district to the Democratic candidate by nine points.
Its demographics resemble the country more than they resemble most districts. A 66% non-Hispanic-white share, a 14% poverty rate, and a median household income of $74,403 — all within the broad national range.
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Congressional District 15, Ohio — The Long Memory. Akashic Intelligence — The Long Memory. https://tiers.akashic.app/cd/3915/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did Congressional District 15, Ohio vote in 2024?
In 2024, Congressional District 15, Ohio voted Democratic by 9.0 points (D+9), carried by the Democratic candidate. Out of 492,645 votes cast, 263,654 went Democratic and 219,532 went Republican.
What is Congressional District 15, Ohio's political archetype?
Akashic classifies Congressional District 15, Ohio as a "Bellwether" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 12 times, Republican 22 times, and other 0 times.
When did Congressional District 15, Ohio last vote Republican?
The most recent presidential election in which Congressional District 15, Ohio voted Republican was 2000.
How many people live in Congressional District 15, Ohio?
Congressional District 15, Ohio has a population of 1,063,699 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Congressional District 15, Ohio?
Median household income in Congressional District 15, Ohio is $74,403 — below the national median of $80,734. The Ohio state median is $71,389.
What is the political history of Congressional District 15, Ohio?
Akashic tracks 38 presidential elections in Congressional District 15, Ohio from 1876 to 2024. Of those, 12 went Democratic and 22 went Republican. The district's archetype — "Bellwether" — captures the overall trajectory of that voting record.