akashic
1876–2024
Delaware County, Ohio
Delaware County·Ohio

Delaware County has voted Republican for as long as anyone can remember.

Fast-growing Columbus exurb trending more competitive with each cycle

18762024·38 elections
Delaware County, Ohio · Christopher L. Riley · Wikimedia Commons
Latest
R+7
in 2024
Archetype
Republican loyalist
since the recent cycles
Population
226,834
2024 ACS
Most similar
Fayette County
GA · similarity 1.00
170 precincts · 134,383 votes cast
Trump · R+7
Margin
Turnout
Harris +50
Trump +50
Real precinct boundaries. Hover for vote totals.
YearWonMarginDemocraticRepublicanTotal
2024R
−6.5%
61,65770,448134,383
2020R
−6.8%
57,73566,356126,070
2016R
−15.6%
40,87257,568106,996
2012R
−23.1%
37,29260,19499,254
2008R
−19.6%
36,65354,77892,581
2004R
−32.4%
27,04853,14380,456
2000R
−35.2%
17,13436,63955,403
1996R
−25.7%
13,46324,12341,415
1992R
−24.3%
9,26318,22536,873
1988R
−46.0%
7,59020,69328,498
1984R
−53.1%
5,77319,05024,989
1980R
−36.4%
6,41714,74022,861
1976R
−26.3%
7,05812,28519,853
1972R
−47.5%
4,45212,95017,886
1968R
−31.8%
4,0569,02915,644
1964R
−1.9%
8,0808,39516,475
1960R
−36.2%
5,33411,39116,725
1956R
−45.8%
3,99710,73914,736
1952R
−43.2%
4,23910,68214,921
1948R
−29.7%
4,3718,08912,506
1944R
−33.6%
4,5699,18613,755
1940R
−25.6%
5,6669,57015,236
1936R
−2.2%
7,0457,36414,709
1932R
−4.8%
6,1966,83313,300
1928R
−36.4%
3,7208,04911,880
1924R
−28.7%
3,5376,73111,142
1920R
−18.9%
5,2417,70013,004
1916D
+4.0%
3,7543,4617,368
1912D
+4.8%
2,9342,5847,316
1908R
−8.9%
3,3304,0077,593
1904R
−22.0%
2,6074,1637,078
1900R
−5.8%
3,3373,7657,325
1896R
−2.4%
3,6123,7897,519
1892R
−8.4%
2,7103,2676,645
1888
No data
1884
No data
1880
No data
1876
No data
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
American
100.0%
African American
3.5%
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Language at home
Population aged 5 and older
0.0%
speak English only
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
21.2%
Other Christian
9.7%
Mainline Protestant
3.5%
Non-Christian
3.1%
Methodist
2.9%
Baptist
1.8%
Pentecostal & Holiness
0.9%
Source · 2020 US Religion Census. Remaining 56.9% of residents not counted as adherents by any reporting body.

Delaware County's rapid population growth, driven by Columbus metro spillover, has steadily compressed what were once double-digit Republican presidential margins, making it a bellwether for how exurban Ohio continues to shift.

The Republican margin in Delaware County reached its widest at fifty-three points in 1984. The margin in 2024 was seven points, in line with the county's deep historical pattern.

Delaware County's loyalty is rooted in its place. Median household income of $133,540, a 80% non-Hispanic-white share, and a population of 226,834 together describe a community whose political habits are deeply settled. The county's voting pattern over the last decade is most similar to that of Fayette County and York County.