HarrisDemocratic30.7%7,765TrumpRepublican68.2%17,241OliverNonpartisan0.5%129
R+37.5- Lead
- 9,476
- Total
- 25,263
- vs nation
- R+36.0
- Turnout
- 60.1%
Akashiccounty
Seneca County, OH
Office (updates table and map)
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
President results by year
2024 turnout 60.1% of 42,674 citizens 18+
BidenDemocratic32.0%8,266TrumpRepublican66.2%17,086JorgensenLibertarian1.4%357
R+34.2- Lead
- 8,820
- Total
- 25,810
- vs nation
- R+38.6
- Turnout
- 61.2%
ClintonDemocratic30.1%7,404TrumpRepublican60.3%14,825JohnsonLibertarian5.3%1,302
R+30.2- Lead
- 7,421
- Total
- 24,568
- vs nation
- R+32.3
- Turnout
- 57.6%
ObamaDemocratic44.3%11,353RomneyRepublican51.7%13,243JohnsonLibertarian1.2%316
R+7.4- Lead
- 1,890
- Total
- 25,609
- vs nation
- R+11.2
- Turnout
- —
ObamaDemocratic47.5%13,087McCainRepublican50.2%13,823OtherAll other candidates2.3%643
R+2.7- Lead
- 736
- Total
- 27,553
- vs nation
- R+9.9
- Turnout
- —
KerryDemocratic40.6%10,957BushRepublican58.9%15,886OtherAll other candidates0.5%148
R+18.3- Lead
- 4,929
- Total
- 26,991
- vs nation
- R+15.8
- Turnout
- —
GoreDemocratic39.1%9,512BushRepublican56.9%13,863NaderGreen2.7%666
R+17.9- Lead
- 4,351
- Total
- 24,351
- vs nation
- R+18.4
- Turnout
- —
ClintonDemocratic42.7%10,044DoleRepublican41.3%9,713PerotReform14.9%3,498
D+1.4- Lead
- 331
- Total
- 23,511
- vs nation
- R+7.1
- Turnout
- —
Key facts
- 2024 presidential margin
- R+37.5MIT Election Lab
- Population
- 54,7702024 5-year
- Median household income
- $66,0252024 5-year
- White (non-Hispanic)
- 87.8%2024 5-year
- Black
- 2.4%2024 5-year
- Hispanic / Latino
- 5.7%2024 5-year
- Peak Democratic margin
- D+26.6 in 1912MIT Election Lab
- Peak Republican margin
- R+47.8 in 1956MIT Election Lab
- Most similar
- Huron County, OH · twin score 87.9
Midterm durability
Total general-election participants divided by same-year citizen voting-age population. These are total ballots or participating voters—not presidential candidate votes.
- 2024 total turnout
- 60.1%25,652 participants ÷ 42,674 CVAP
- 2020→2022 drop-off
- +18.2 ptsVolatile
- Drop-off versus state
- -2.3 ptsPositive means a larger decline than the statewide pattern
- Mechanical 2026 scenario
- 41.9%–44.8%Recent-cycle and two-cycle persistence scenarios; not a forecast
| Election | Participants | CVAP | Turnout | Quality |
|---|---|---|---|---|
| 2016 · Presidential | 24,568 | 42,659 | 57.6% | A/A |
| 2018 · Midterm | 19,249 | 42,592 | 45.2% | A/A |
| 2020 · Presidential | 26,068 | 42,561 | 61.2% | A/A |
| 2022 · Midterm | 18,449 | 42,822 | 43.1% | A/A |
| 2024 · Presidential | 25,652 | 42,674 | 60.1% | A/A |
Sources and methods
- 2016: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 293/111.
- 2018: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 297/138.
- 2020: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 301/2.
- 2022: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 306/183.
- 2024: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 311/228.
Precinct data
Results by precinct
102 precincts · 25,262 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -PRECINCT TIFFIN 4-BPRECINCT TIFFIN 4-B | 369 | 528 | 9 | 906 | 40.7% | 58.3% | R+17.5 |
|---|---|---|---|---|---|---|---|
| Precinct -PRECINCT PLEASANT TOWNSHIPPRECINCT PLEASANT TOWNSHIP | 199 | 636 | 9 | 844 | 23.6% | 75.4% | R+51.8 |
| Precinct -PRECINCT BIG SPRING TOWNSHIPPRECINCT BIG SPRING TOWNSHIP | 159 | 633 | 2 | 794 | 20.0% | 79.7% | R+59.7 |
| Precinct -PRECINCT TIFFIN 2-CPRECINCT TIFFIN 2-C | 322 | 431 | 7 | 760 | 42.4% | 56.7% | R+14.3 |
| Precinct -PRECINCT JACKSON TOWNSHIPPRECINCT JACKSON TOWNSHIP | 189 | 539 | 7 | 735 | 25.7% | 73.3% | R+47.6 |
| Precinct -PRECINCT LOUDON NORTHPRECINCT LOUDON NORTH | 182 | 548 | 4 | 734 | 24.8% | 74.7% | R+49.9 |
| Precinct -PRECINCT CLINTON CPRECINCT CLINTON C | 230 | 481 | 4 | 715 | 32.2% | 67.3% | R+35.1 |
| Precinct -PRECINCT EDEN NORTHPRECINCT EDEN NORTH | 187 | 504 | 5 | 696 | 26.9% | 72.4% | R+45.5 |
| Precinct -PRECINCT ADAMS TOWNSHIPPRECINCT ADAMS TOWNSHIP | 134 | 555 | 5 | 694 | 19.3% | 80.0% | R+60.7 |
| Precinct -PRECINCT THOMPSON TOWNSHIPPRECINCT THOMPSON TOWNSHIP | 154 | 502 | 8 | 664 | 23.2% | 75.6% | R+52.4 |
| Precinct -PRECINCT SCIPIO TOWNSHIPPRECINCT SCIPIO TOWNSHIP | 122 | 503 | 6 | 631 | 19.3% | 79.7% | R+60.4 |
| Precinct -PRECINCT FOSTORIA 1-APRECINCT FOSTORIA 1-A | 279 | 339 | 7 | 625 | 44.6% | 54.2% | R+9.6 |
| Precinct -PRECINCT TIFFIN 4-APRECINCT TIFFIN 4-A | 245 | 373 | 5 | 623 | 39.3% | 59.9% | R+20.5 |
| Precinct -PRECINCT TIFFIN 2-APRECINCT TIFFIN 2-A | 250 | 352 | 7 | 609 | 41.1% | 57.8% | R+16.7 |
| Precinct -PRECINCT TIFFIN 1-BPRECINCT TIFFIN 1-B | 255 | 342 | 11 | 608 | 41.9% | 56.3% | R+14.3 |
| Precinct -PRECINCT TIFFIN 4-CPRECINCT TIFFIN 4-C | 202 | 355 | 7 | 564 | 35.8% | 62.9% | R+27.1 |
| Precinct -PRECINCT HOPEWELL APRECINCT HOPEWELL A | 123 | 424 | 7 | 554 | 22.2% | 76.5% | R+54.3 |
| Precinct -PRECINCT TIFFIN 1-CPRECINCT TIFFIN 1-C | 203 | 313 | 7 | 523 | 38.8% | 59.8% | R+21.0 |
| Precinct -PRECINCT HOPEWELL BPRECINCT HOPEWELL B | 117 | 391 | 6 | 514 | 22.8% | 76.1% | R+53.3 |
| Precinct -PRECINCT FOSTORIA 4-APRECINCT FOSTORIA 4-A | 181 | 309 | 9 | 499 | 36.3% | 61.9% | R+25.7 |
| Precinct -PRECINCT SENECA APRECINCT SENECA A | 120 | 374 | 5 | 499 | 24.0% | 74.9% | R+50.9 |
| Precinct -PRECINCT CLINTON DPRECINCT CLINTON D | 138 | 347 | 1 | 486 | 28.4% | 71.4% | R+43.0 |
| Precinct -PRECINCT FOSTORIA 1-BPRECINCT FOSTORIA 1-B | 214 | 264 | 6 | 484 | 44.2% | 54.5% | R+10.3 |
| Precinct -PRECINCT TIFFIN 3-BPRECINCT TIFFIN 3-B | 175 | 302 | 6 | 483 | 36.2% | 62.5% | R+26.3 |
| Precinct -PRECINCT VENICE TOWNSHIPPRECINCT VENICE TOWNSHIP | 86 | 377 | 2 | 465 | 18.5% | 81.1% | R+62.6 |
| Precinct -PRECINCT ATTICA VILLAGEPRECINCT ATTICA VILLAGE | 99 | 350 | 2 | 451 | 22.0% | 77.6% | R+55.7 |
| Precinct -PRECINCT TIFFIN 3-CPRECINCT TIFFIN 3-C | 191 | 252 | 2 | 445 | 42.9% | 56.6% | R+13.7 |
| Precinct -PRECINCT FOSTORIA 4-BPRECINCT FOSTORIA 4-B | 206 | 227 | 10 | 443 | 46.5% | 51.2% | R+4.7 |
| Precinct -PRECINCT BLOOM TOWNSHIPPRECINCT BLOOM TOWNSHIP | 100 | 337 | 3 | 440 | 22.7% | 76.6% | R+53.9 |
| Precinct -PRECINCT FOSTORIA 3-APRECINCT FOSTORIA 3-A | 195 | 241 | 4 | 440 | 44.3% | 54.8% | R+10.5 |
| Precinct -PRECINCT EDEN SOUTHPRECINCT EDEN SOUTH | 107 | 316 | 3 | 426 | 25.1% | 74.2% | R+49.1 |
| Precinct -PRECINCT CLINTON APRECINCT CLINTON A | 121 | 298 | 5 | 424 | 28.5% | 70.3% | R+41.7 |
| Precinct -PRECINCT CLINTON BPRECINCT CLINTON B | 132 | 286 | 4 | 422 | 31.3% | 67.8% | R+36.5 |
| Precinct -PRECINCT LIBERTY APRECINCT LIBERTY A | 82 | 325 | 3 | 410 | 20.0% | 79.3% | R+59.3 |
| Precinct -PRECINCT FOSTORIA 3-BPRECINCT FOSTORIA 3-B | 191 | 211 | 6 | 408 | 46.8% | 51.7% | R+4.9 |
| Precinct -PRECINCT REED TOWNSHIPPRECINCT REED TOWNSHIP | 102 | 305 | 1 | 408 | 25.0% | 74.8% | R+49.8 |
| Precinct -PRECINCT TIFFIN 3-DPRECINCT TIFFIN 3-D | 143 | 256 | 8 | 407 | 35.1% | 62.9% | R+27.8 |
| Precinct -PRECINCT TIFFIN 4-DPRECINCT TIFFIN 4-D | 155 | 231 | 9 | 395 | 39.2% | 58.5% | R+19.2 |
| Precinct -PRECINCT HOPEWELL CPRECINCT HOPEWELL C | 106 | 278 | 3 | 387 | 27.4% | 71.8% | R+44.4 |
| Precinct -PRECINCT LOUDON SOUTHPRECINCT LOUDON SOUTH | 76 | 280 | 5 | 361 | 21.1% | 77.6% | R+56.5 |
| Precinct -PRECINCT TIFFIN 3-APRECINCT TIFFIN 3-A | 133 | 222 | 5 | 360 | 36.9% | 61.7% | R+24.7 |
| Precinct -PRECINCT SENECA BPRECINCT SENECA B | 53 | 293 | 2 | 348 | 15.2% | 84.2% | R+69.0 |
| Precinct -PRECINCT LIBERTY BPRECINCT LIBERTY B | 83 | 261 | 3 | 347 | 23.9% | 75.2% | R+51.3 |
| Precinct -PRECINCT BLOOMVILLE VILLAGEPRECINCT BLOOMVILLE VILLAGE | 79 | 257 | 2 | 338 | 23.4% | 76.0% | R+52.7 |
| Precinct -PRECINCT CLINTON EPRECINCT CLINTON E | 101 | 233 | 4 | 338 | 29.9% | 68.9% | R+39.1 |
| Precinct -PRECINCT TIFFIN 1-APRECINCT TIFFIN 1-A | 127 | 165 | 8 | 300 | 42.3% | 55.0% | R+12.7 |
| Precinct -PRECINCT TIFFIN 2-BPRECINCT TIFFIN 2-B | 114 | 181 | 5 | 300 | 38.0% | 60.3% | R+22.3 |
| Precinct -PRECINCT GREEN SPRINGS VILLAGEPRECINCT GREEN SPRINGS VILLAGE | 65 | 218 | 1 | 284 | 22.9% | 76.8% | R+53.9 |
| Precinct -PRECINCT BETTSVILLE VILLAGEPRECINCT BETTSVILLE VILLAGE | 77 | 194 | 3 | 274 | 28.1% | 70.8% | R+42.7 |
| Precinct -PRECINCT REPUBLIC VILLPRECINCT REPUBLIC VILL | 60 | 205 | 3 | 268 | 22.4% | 76.5% | R+54.1 |
| Precinct -PRECINCT NEW RIEGEL VILLAGEPRECINCT NEW RIEGEL VILLAGE | 32 | 97 | 0 | 129 | 24.8% | 75.2% | R+50.4 |
| PRECINCT ADAMS TOWNSHIP39_39147147ABJ | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT ATTICA VILLAGE39_39147147ACT | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT BETTSVILLE VILLAGE39_39147147ACD | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT BIG SPRING TOWNSHIP39_39147147ABM | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT BLOOM TOWNSHIP39_39147147ABO | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT BLOOMVILLE VILLAGE39_39147147ABP | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT CLINTON A39_39147147ABQ | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT CLINTON B39_39147147ABR | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT CLINTON C39_39147147ABS | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT CLINTON D39_39147147ABT | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT CLINTON E39_39147147ABU | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT EDEN NORTH39_39147147ABV | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT EDEN SOUTH39_39147147ABX | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT FOSTORIA 1-A39_39147147AAA | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT FOSTORIA 1-B39_39147147AAC | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT FOSTORIA 3-A39_39147147AAE | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT FOSTORIA 3-B39_39147147AAF | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT FOSTORIA 4-A39_39147147AAI | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT FOSTORIA 4-B39_39147147AAL | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT GREEN SPRINGS VILLAGE39_39147147ABI | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT HOPEWELL A39_39147147ABY | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT HOPEWELL B39_39147147ABZ | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT HOPEWELL C39_39147147ACA | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT JACKSON TOWNSHIP39_39147147ACB | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT LIBERTY A39_39147147ACE | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT LIBERTY B39_39147147ACF | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT LOUDON NORTH39_39147147ACG | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT LOUDON SOUTH39_39147147ACH | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT NEW RIEGEL VILLAGE39_39147147ABL | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT PLEASANT TOWNSHIP39_39147147ACJ | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT REED TOWNSHIP39_39147147ACL | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT REPUBLIC VILL39_39147147ACN | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT SCIPIO TOWNSHIP39_39147147ACM | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT SENECA A39_39147147ACP | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT SENECA B39_39147147ACQ | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT THOMPSON TOWNSHIP39_39147147ACR | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT TIFFIN 1-A39_39147147AAM | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT TIFFIN 1-B39_39147147AAN | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT TIFFIN 1-C39_39147147AAO | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT TIFFIN 2-A39_39147147AAR | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT TIFFIN 2-B39_39147147AAS | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT TIFFIN 2-C39_39147147AAT | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT TIFFIN 3-A39_39147147AAW | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT TIFFIN 3-B39_39147147AAX | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT TIFFIN 3-C39_39147147AAY | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT TIFFIN 3-D39_39147147AAZ | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT TIFFIN 4-A39_39147147ABB | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT TIFFIN 4-B39_39147147ABC | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT TIFFIN 4-C39_39147147ABE | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT TIFFIN 4-D39_39147147ABG | 0 | 0 | 0 | 0 | — | — | No votes |
| PRECINCT VENICE TOWNSHIP39_39147147ACU | 0 | 0 | 0 | 0 | — | — | No votes |
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | +11.7% |
| 1896 | +11.9% |
| 1900 | +9.4% |
| 1904 | −5.1% |
| 1908 | +10.2% |
| 1912 | +26.6% |
| 1916 | +19.3% |
| 1920 | −10.2% |
| 1924 | −18.5% |
| 1928 | −24.2% |
| 1932 | +13.6% |
| 1936 | −4.4% |
| 1940 | −37.1% |
| 1944 | −41.7% |
| 1948 | −18.1% |
| 1952 | −43.1% |
| 1956 | −47.8% |
| 1960 | −22.4% |
| 1964 | +20.7% |
| 1968 | −13.3% |
| 1972 | −25.1% |
| 1976 | −7.4% |
| 1980 | −29.5% |
| 1984 | −35.0% |
| 1988 | −17.9% |
| 1992 | −1.8% |
| 1996 | +1.4% |
| 2000 | −17.9% |
| 2004 | −18.3% |
| 2008 | −2.7% |
| 2012 | −7.4% |
| 2016 | −30.2% |
| 2020 | −34.2% |
| 2024 | −37.5% |
DemocraticRepublican
Federal and statewide elections · 3 House · 38 Senate · 2 Senate special · 12 governor
U.S. House
Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
U.S. Senate
Each row shows U.S. Senate votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
U.S. Senate special elections
Each row shows U.S. Senate special votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
Governor
Each row shows Governor votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 34,399 |
| 2018 | 34,681 |
| 2020 | 34,413 |
| 2022 | 34,328 |
| 2024 | 34,779 |
domestic migration
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
−131 net domestic migration · 2025
20112025
Net −2,187 over 2011–2025 · gain loss
Arrivals reported $45,500 in average income, against $65,792 for residents who stayed — 31% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+27.8 on average — 9.7 points more Democratic-leaning than Seneca County, OH itself (R+37.5).
Where arrivals came from lean of each source
- Hancock County, OH223R+38.4
- Sandusky County, OH195R+30.9
- Wood County, OH113R+10.2
- Wyandot County, OH84R+51.2
- Huron County, OH61R+44.0
- Lucas County, OH54D+12.6
Where departures went households, 2022–23
- Hancock County, OH222
- Sandusky County, OH136
- Wood County, OH122
- Wyandot County, OH71
- Franklin County, OH54
- Huron County, OH42
Migration is one input to a place’s political change, not its cause — a shift can also come from residents changing their minds, generational turnover, or turnout. These figures describe the places people moved between; they do not measure how any mover voted.
| Year | Net domestic migration |
|---|---|
| 2011 | −171 |
| 2012 | −419 |
| 2013 | −288 |
| 2014 | −69 |
| 2015 | −265 |
| 2016 | −280 |
| 2017 | −181 |
| 2018 | −108 |
| 2019 | −76 |
| 2021 | +16 |
| 2022 | −215 |
| 2023 | +17 |
| 2024 | −17 |
| 2025 | −131 |
Seneca County's mix of small cities like Tiffin and rural farmland anchors a voting pattern that has trended consistently rightward over the past four presidential cycles, with the 2024 margin of R+37.5 among the widest in the state's tier-two counties.
Across the recorded series it reached a Democratic high of 26.6 points in 1912 and a Republican high of 47.8 points in 1956. Between 2020 and 2024 the county moved 3.3 points toward the Republican candidate; the 2024 margin was 37.5 points.
A population of 54,770, a 88% non-Hispanic-white share, and a median household income of $66,025 describe the county. The county's voting pattern over the last decade is most similar to that of Huron County and Delaware County.
Political twins — counties
The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Huron County
Ohio
87.9twin score
12-yr trendelasticity% Evangelical
Delaware County
Iowa
87.0twin score
elasticity12-yr trend% Catholic≠ Italian ancestry
Sandusky County
Ohio
85.5twin score
12-yr trendelasticity2008–2012 trajectory≠ % Catholic
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Browse places by community — income, education, race & ethnicity, language — all community cuts →
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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Seneca County, Ohio. Akashic. https://akashic.app/county/39147/. Accessed May 20, 2026. License: CC BY 4.0.
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Cities & towns in Seneca County
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Frequently asked questions
How did Seneca County, Ohio vote in 2024?
In 2024, Seneca County, Ohio voted Republican by 37.5 points (R+37.5), carried by the Republican candidate. Out of 25,263 votes cast, 7,765 went Democratic and 17,241 went Republican.
When did Seneca County, Ohio last vote Democratic?
The most recent presidential election in which Seneca County, Ohio voted Democratic was 1996.
How many people live in Seneca County, Ohio?
Seneca County, Ohio has a population of 54,770 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Seneca County, Ohio?
Median household income in Seneca County, Ohio is $66,025 — below the national median of $80,734. The Ohio state median is $71,389.
What is the political history of Seneca County, Ohio?
Akashic tracks 38 presidential elections in Seneca County, Ohio from 1876 to 2024. Of those, 9 went Democratic and 25 went Republican.