Ohio 21st State Senate District, Ohio: Democratic loyalist district. In 2024, voted D+31%. Democratic peak: D+43 in 1964.
Key facts
- 2024 presidential margin
- D+31MIT Election Lab
- Political archetype
- Democratic loyalistAkashic typology
- Population
- 246,2222024 5-year
- Median household income
- $64,4682024 5-year
- White (non-Hispanic)
- 57.7%2024 5-year
- Black
- 28.9%2024 5-year
- Hispanic / Latino
- 7.0%2024 5-year
- Peak Democratic margin
- D+43 in 1964MIT Election Lab
- Peak Republican margin
- R+40 in 1924MIT Election Lab
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 74,385 | 38,570 | 114,925 | ||
| D | 82,249 | 40,059 | 123,651 | ||
| D | 78,710 | 36,406 | 122,007 | ||
| D | 88,395 | 37,680 | 128,546 | ||
| D | 90,598 | 39,502 | 131,878 | ||
| D | 88,638 | 43,795 | 133,159 | ||
| D | 71,130 | 37,965 | 113,594 | ||
| D | 67,462 | 32,366 | 111,047 | ||
| D | 66,710 | 36,994 | 126,531 | ||
| D | 69,843 | 47,913 | 118,799 | ||
| D | 71,666 | 56,146 | 128,782 | ||
| D | 60,761 | 50,373 | 121,480 | ||
| D | 69,010 | 50,513 | 123,167 | ||
| R | 62,781 | 65,118 | 130,387 | ||
| D | 71,846 | 47,192 | 133,171 | ||
| D | 97,414 | 38,822 | 136,236 | ||
| D | 84,789 | 56,929 | 141,718 | ||
| R | 60,190 | 69,857 | 130,047 | ||
| R | 64,222 | 65,112 | 129,335 | ||
| D | 50,980 | 42,469 | 96,963 | ||
| D | 65,348 | 43,049 | 108,397 | ||
| D | 68,601 | 41,319 | 109,920 | ||
| D | 61,486 | 25,484 | 93,957 | ||
| D | 36,706 | 32,873 | 73,237 | ||
| R | 32,844 | 38,441 | 71,959 | ||
| R | 4,743 | 25,725 | 52,187 | ||
| R | 13,936 | 29,419 | 45,708 | ||
| D | 14,137 | 10,136 | 25,475 | ||
| O | 8,619 | 2,802 | 20,282 | ||
| R | 7,896 | 11,135 | 20,105 | ||
| R | 4,783 | 11,337 | 18,035 | ||
| R | 8,387 | 8,952 | 17,844 | ||
| R | 7,419 | 8,497 | 16,105 | ||
| D | 5,839 | 5,268 | 11,544 | ||
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Demographics
With a 50-point Republican presidential margin in 2024, this district ranks among the state's most reliably one-sided legislative seats, reflecting a rural and small-town demographic base with limited competitive electoral history.
The Democratic margin in Ohio 21st State Senate District reached its widest at forty-three points in 1964. The margin in 2024 was thirty-one points — still decisive.
Its loyalty is rooted in its place. Median household income of $64,468, a 58% non-Hispanic-white share, and a population of 246,222 together describe a district whose political habits are deeply settled.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
State Senate District 21, Ohio. Akashic. https://akashic.app/sld-upper/39021/. Accessed May 20, 2026. License: CC BY 4.0.