2024 population: 54,730
(
346 from 2020)
Land area: 551.0 square miles
Population density: 99.3 persons per square mile
| 2024 Census data | |||
| White: | 47,979 | 87.66% | 2.4% |
| Black: | 1,294 | 2.36% | 0.9% |
| Indian: | 123 | 0.22% | 7.9% |
| Asian: | 586 | 1.07% | 35.0% |
| 2+ races: | 1,382 | 2.53% | 17.7% |
| Hispanic: | 3,366 | 6.15% | 15.2% |
| Total non-White: | 6,751 | 12.34% | 13.9% |
| 2020-2024 Components | Number | Rate |
|---|---|---|
| Births: | 2,531 | 11.5 |
| Deaths: | 2,948 | 13.4 |
| Net Migration: | -282 | -1.3 |
| Net Immigration: | 341 | 1.5 |
| Change in White population: | -1,171 | -2.1 |
| Change in Non-White pop.: | 825 | 1.5 |
| Recent Trends | ||||
|---|---|---|---|---|
| Votes | Δ Margin | Swing % | ||
| 2024 vs. 2020 | R +155 | R +656 | R + 3.1% | |
| D -501 | ||||
| 2024 vs. 2016 | R +2,416 | R +2,055 | R + 4.5% | |
| D +361 | ||||
| 2020 vs. 2016 | R +2,261 | R +1,399 | R + 1.4% | |
| D +862 | ||||
| 2024 vs. 2012 | R +3,998 | R +7,586 | R + 30.2% | |
| D -3,588 | ||||
| 2016 vs. 2008 | R +1,002 | R +6,685 | R + 30.6% | |
| D -5,683 | ||||
| How to interpret this table | ||||
| Year | Turnout | Winner | Runner-Up | Other | Total Votes | Diff (St) | Diff (US) | PSV | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | 59% | Donald Trump (R) | 17,241 | 67.9% | Kamala Harris (D) | 7,765 | 30.6% | 398 [+] | 1.6% | 25,404 | 13 | 18 | 0.44% |
| 2020 | 60% | Donald Trump* (R) | 17,086 | 66.1% | Joe Biden (D) | 8,266 | 32.0% | 496 [+] | 1.9% | 25,848 | 13 | 19 | 0.44% |
| 2016 | 56% | Donald Trump (R) | 14,825 | 61.3% | Hillary Clinton (D) | 7,404 | 30.6% | 1,954 [+] | 8.1% | 24,183 | 10 | 15 | 0.44% |
| 2012 | 59% | Mitt Romney (R) | 13,243 | 52.3% | Barack Obama* (D) | 11,353 | 44.8% | 747 [+] | 2.9% | 25,343 | 5 | 5 | 0.45% |
| 2008 | 63% | John McCain (R) | 13,823 | 50.2% | Barack Obama (D) | 13,087 | 47.5% | 643 [+] | 2.3% | 27,553 | 3 | 5 | 0.48% |
| 2004 | 62% | George W. Bush* (R) | 15,886 | 58.9% | John Kerry (D) | 10,957 | 40.6% | 148 [+] | 0.5% | 26,991 | 8 | 8 | 0.48% |
| 2000 | 56% | George W. Bush (R) | 13,863 | 56.9% | Albert Gore, Jr. (D) | 9,512 | 39.1% | 976 [+] | 4.0% | 24,351 | 7 | 9 | 0.52% |
| 1996 | 54% | Bill Clinton* (D) | 10,044 | 42.7% | Robert Dole (R) | 9,713 | 41.3% | 3,754 [+] | 16.0% | 23,511 | 0 | 1 | 0.52% |
| 1992 | 61% | George Bush* (R) | 9,763 | 37.3% | Bill Clinton (D) | 9,280 | 35.5% | 7,107 [+] | 27.2% | 26,150 | -1 | 0 | 0.53% |
| 1988 | 55% | George Bush (R) | 13,704 | 58.5% | Michael Dukakis (D) | 9,504 | 40.6% | 222 [+] | 0.9% | 23,430 | 3 | 5 | 0.53% |
| 1984 | 58% | Ronald Reagan* (R) | 16,520 | 67.0% | Walter Mondale (D) | 7,905 | 32.1% | 217 | 0.9% | 24,642 | 8 | 8 | 0.54% |
| 1980 | 55% | Ronald Reagan (R) | 14,172 | 60.9% | Jimmy Carter* (D) | 7,303 | 31.4% | 1,784 [+] | 7.7% | 23,259 | 9 | 10 | 0.54% |
| 1976 | 57% | Gerald Ford* (R) | 11,730 | 52.1% | Jimmy Carter (D) | 10,074 | 44.7% | 712 [+] | 3.2% | 22,516 | 3 | 4 | 0.55% |
| 1972 | 59% | Richard Nixon* (R) | 13,939 | 60.8% | George McGovern (D) | 8,180 | 35.7% | 799 [+] | 3.5% | 22,918 | 1 | 0 | 0.56% |
| 1968 | 66% | Richard Nixon (R) | 12,040 | 52.3% | Hubert Humphrey (D) | 8,970 | 39.0% | 2,010 [+] | 8.7% | 23,020 | 7 | 9 | 0.58% |
| 1964 | 69% | Lyndon Johnson* (D) | 14,518 | 60.4% | Barry Goldwater (R) | 9,536 | 39.6% | 0 | 0.0% | 24,054 | 3 | 1 | 0.61% |
| 1960 | 75% | Richard Nixon (R) | 15,772 | 61.2% | John Kennedy (D) | 10,001 | 38.8% | 0 | 0.0% | 25,773 | 8 | 12 | 0.62% |
| 1956 | 67% | Dwight Eisenhower* (R) | 17,728 | 73.9% | Adlai Stevenson (D) | 6,260 | 26.1% | 0 | 0.0% | 23,988 | 13 | 17 | 0.65% |
| 1952 | 72% | Dwight Eisenhower (R) | 17,750 | 71.5% | Adlai Stevenson (D) | 7,060 | 28.5% | 0 | 0.0% | 24,810 | 15 | 16 | 0.67% |
| 1948 | 59% | Thomas Dewey (R) | 11,493 | 58.9% | Harry Truman* (D) | 7,954 | 40.7% | 77 [+] | 0.4% | 19,524 | 10 | 14 | 0.66% |
| 1944 | 67% | Thomas Dewey (R) | 15,137 | 70.9% | Franklin Roosevelt* (D) | 6,224 | 29.1% | 0 | 0.0% | 21,361 | 21 | 25 | 0.68% |
| 1940 | 77% | Wendell Willkie (R) | 16,272 | 68.6% | Franklin Roosevelt* (D) | 7,464 | 31.4% | 0 | 0.0% | 23,736 | 21 | 24 | 0.71% |
| 1936 | 77% | Alf Landon (R) | 9,953 | 44.7% | Franklin Roosevelt* (D) | 8,982 | 40.4% | 3,324 [+] | 14.9% | 22,259 | 7 | 8 | 0.74% |
| 1932 | 74% | Franklin Roosevelt (D) | 11,894 | 55.9% | Herbert Hoover* (R) | 9,007 | 42.3% | 383 [+] | 1.8% | 21,284 | -5 | 3 | 0.82% |
| 1928 | 78% | Herbert Hoover (R) | 13,369 | 61.9% | Al Smith (D) | 8,136 | 37.7% | 82 [+] | 0.4% | 21,587 | -3 | 4 | 0.86% |
| 1924 | 68% | Calvin Coolidge (R) | 9,641 | 53.3% | John Davis (D) | 6,290 | 34.8% | 2,160 [+] | 11.9% | 18,091 | -5 | -1 | 0.90% |
| 1920 | 72% | Warren Harding (R) | 10,064 | 54.4% | James Cox (D) | 8,175 | 44.2% | 261 [+] | 1.4% | 18,500 | -4 | -6 | 0.92% |
| 1916 | 45% | Woodrow Wilson* (D) | 6,451 | 57.8% | Charles Evans Hughes (R) | 4,301 | 38.5% | 409 [+] | 3.7% | 11,161 | -6 | -8 | 0.96% |
| 1912 | 41% | Woodrow Wilson (D) | 5,082 | 49.6% | William Taft* (R) | 2,362 | 23.1% | 2,796 [+] | 27.3% | 10,240 | -4 | 0 | 0.99% |
| 1908 | 49% | William J. Bryan (D) | 6,138 | 53.3% | William Taft (R) | 4,959 | 43.1% | 415 [+] | 3.6% | 11,512 | -8 | -9 | 1.03% |
| 1904 | 45% | Theodore Roosevelt (R) | 5,291 | 50.8% | Alton Parker (D) | 4,757 | 45.7% | 372 [+] | 3.6% | 10,420 | -9 | -6 | 1.04% |
| 1900 | 49% | William J. Bryan (D) | 5,946 | 53.6% | William McKinley* (R) | 4,904 | 44.2% | 240 [+] | 2.2% | 11,090 | -8 | -7 | 1.07% |
Click on the Year to view county-level data for that election.
| Year | Type | Turnout | Winner | Runner-Up | Other | Total Votes | Diff | PSV | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | S1 | 59% | Bernie Moreno (R) | 15,420 | 61.5% | Sherrod Brown* (D) | 8,509 | 33.9% | 1,163 [+] | 4.6% | 25,092 | 11 | 0.44% |
| 2022 | S3 | 42% | J.D. Vance (R) | 11,618 | 64.7% | Tim Ryan (D) | 6,322 | 35.2% | 18 [+] | 0.1% | 17,958 | 12 | 0.43% |
| 2022 | G | 42% | Mike DeWine* (R) | 13,667 | 75.7% | Nan Whaley (D) | 4,319 | 23.9% | 58 [+] | 0.3% | 18,044 | 13 | 0.44% |
| 2018 | S1 | 44% | Jim Renacci (R) | 9,945 | 53.2% | Sherrod Brown* (D) | 8,741 | 46.8% | 6 [+] | 0.0% | 18,692 | 7 | 0.42% |
| 2018 | G | 44% | Mike DeWine (R) | 11,521 | 61.4% | Richard Cordray (D) | 6,457 | 34.4% | 772 [+] | 4.1% | 18,750 | 11 | 0.42% |
| 2016 | S3 | 55% | Rob Portman* (R) | 16,097 | 68.4% | Ted Strickland (D) | 6,154 | 26.2% | 1,279 [+] | 5.4% | 23,530 | 10 | 0.44% |
| 2014 | G | 32% | John Kasich* (R) | 9,662 | 70.1% | Edward FitzGerald (D) | 3,722 | 27.0% | 394 [+] | 2.9% | 13,778 | 6 | 0.45% |
| 2012 | S1 | 58% | Josh Mandel (R) | 12,802 | 51.1% | Sherrod Brown* (D) | 10,525 | 42.0% | 1,703 [+] | 6.8% | 25,030 | 6 | 0.46% |
| 2010 | S3 | 41% | Rob Portman (R) | 11,069 | 62.5% | Lee Fisher (D) | 5,732 | 32.4% | 915 [+] | 5.2% | 17,716 | 6 | 0.46% |
| 2010 | G | 41% | John Kasich (R) | 8,716 | 49.4% | Ted Strickland* (D) | 7,790 | 44.1% | 1,155 [+] | 6.5% | 17,661 | 0 | 0.46% |
| 2006 | S1 | 46% | Sherrod Brown (D) | 10,742 | 53.5% | Mike DeWine* (R) | 9,343 | 46.5% | 1 [+] | 0.0% | 20,086 | 3 | 0.50% |
| 2006 | G | 46% | Ted Strickland (D) | 11,387 | 56.8% | Kenneth Blackwell (R) | 8,011 | 40.0% | 653 [+] | 3.3% | 20,051 | 3 | 0.50% |
| 2004 | S3 | 61% | George Voinovich* (R) | 18,913 | 71.8% | Eric Fingerhut (D) | 7,439 | 28.2% | 0 | 0.0% | 26,352 | 8 | 0.49% |
| 2002 | G | 38% | Bob Taft III* (R) | 11,101 | 66.8% | Tim Hagan (D) | 4,780 | 28.8% | 735 [+] | 4.4% | 16,616 | 9 | 0.51% |
| 2000 | S1 | 55% | Mike DeWine* (R) | 16,045 | 67.4% | Ted Celeste (D) | 6,732 | 28.3% | 1,032 [+] | 4.3% | 23,809 | 7 | 0.53% |
| 1998 | S3 | 43% | George Voinovich (R) | 11,525 | 61.6% | Mary Boyle (D) | 7,195 | 38.4% | 0 | 0.0% | 18,720 | 5 | 0.55% |
| 1998 | G | 42% | Bob Taft III (R) | 9,637 | 53.3% | Lee Fisher (D) | 7,156 | 39.5% | 1,303 [+] | 7.2% | 18,096 | 3 | 0.54% |
| 1994 | S1 | 44% | Mike DeWine (R) | 10,889 | 57.7% | Joel Hyatt (D) | 6,488 | 34.4% | 1,500 [+] | 7.9% | 18,877 | 4 | 0.55% |
| 1994 | G | 43% | George Voinovich* (R) | 13,994 | 75.9% | Robert Burch (D) | 3,717 | 20.2% | 719 [+] | 3.9% | 18,430 | 4 | 0.55% |
| 1992 | S3 | 60% | John Glenn* (D) | 12,165 | 47.2% | Mike DeWine (R) | 11,020 | 42.8% | 2,568 [+] | 10.0% | 25,753 | 1 | 0.54% |
| 1990 | G | 44% | George Voinovich (R) | 11,280 | 59.9% | Anthony Celebrezze (D) | 7,537 | 40.1% | 0 | 0.0% | 18,817 | 4 | 0.54% |
| 1988 | S1 | 55% | Howard Metzenbaum* (D) | 12,199 | 52.2% | George Voinovich (R) | 11,177 | 47.8% | 0 | 0.0% | 23,376 | 5 | 0.54% |
| 1986 | S3 | 43% | John Glenn* (D) | 10,088 | 55.6% | Thomas Kindness (R) | 8,046 | 44.4% | 0 | 0.0% | 18,134 | 7 | 0.58% |
| 1986 | G | 41% | Richard Celeste* (D) | 10,061 | 57.8% | James Rhodes (R) | 7,339 | 42.2% | 0 | 0.0% | 17,400 | 3 | 0.57% |
| 1982 | S1 | 44% | Paul Pfeifer (R) | 10,849 | 58.4% | Howard Metzenbaum* (D) | 7,453 | 40.1% | 281 [+] | 1.5% | 18,583 | 17 | 0.55% |
| 1982 | G | 42% | Richard Celeste (D) | 9,033 | 50.2% | Clarence Brown, Jr. (R) | 8,585 | 47.7% | 381 [+] | 2.1% | 17,999 | 9 | 0.54% |
| 1980 | S3 | 54% | John Glenn* (D) | 11,403 | 49.9% | James Betts (R) | 10,983 | 48.0% | 478 [+] | 2.1% | 22,864 | 20 | 0.57% |
| 1978 | G | 40% | James Rhodes* (R) | 8,684 | 54.7% | Richard Celeste (D) | 6,691 | 42.2% | 497 [+] | 3.1% | 15,872 | 5 | 0.56% |
| 1976 | S1 | 56% | Robert Taft, Jr.* (R) | 12,133 | 54.5% | Howard Metzenbaum (D) | 9,247 | 41.5% | 896 [+] | 4.0% | 22,276 | 8 | 0.57% |
| 1974 | S3 | 45% | John Glenn (D) | 11,153 | 63.7% | Ralph Perk (R) | 5,497 | 31.4% | 853 [+] | 4.9% | 17,503 | 1 | 0.59% |
| 1974 | G | 45% | James Rhodes (R) | 9,702 | 54.4% | John Gilligan* (D) | 7,218 | 40.5% | 901 [+] | 5.1% | 17,821 | 6 | 0.58% |
| 1970 | S1 | 48% | Robert Taft, Jr. (R) | 9,843 | 56.1% | Howard Metzenbaum (D) | 7,290 | 41.6% | 409 [+] | 2.3% | 17,542 | 6 | 0.56% |
| 1970 | G | 49% | Roger Cloud (R) | 8,936 | 50.2% | John Gilligan (D) | 8,533 | 48.0% | 321 [+] | 1.8% | 17,790 | 7 | 0.56% |
| 1968 | S3 | 64% | William Saxbe (R) | 11,623 | 51.9% | John Gilligan (D) | 10,777 | 48.1% | 0 | 0.0% | 22,400 | 0 | 0.60% |
| 1966 | G | 52% | James Rhodes* (R) | 11,823 | 65.4% | Frazier Reams, Jr. (D) | 6,243 | 34.6% | 0 | 0.0% | 18,066 | 3 | 0.63% |
| 1964 | S1 | 68% | Robert Taft, Jr. (R) | 12,871 | 54.6% | Stephen Young* (D) | 10,690 | 45.4% | 0 | 0.0% | 23,561 | 5 | 0.62% |
| 1962 | S3 | 54% | Frank Lausche* (D) | 10,652 | 57.4% | John Briley (R) | 7,896 | 42.6% | 0 | 0.0% | 18,548 | 4 | 0.62% |
| 1962 | G | 55% | James Rhodes (R) | 12,902 | 68.4% | Michael DiSalle* (D) | 5,968 | 31.6% | 0 | 0.0% | 18,870 | 9 | 0.61% |
Click on the District to view county-level data for that election (where available).
| Date | District | Winner | Runner-Up | Other | Total Votes | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024-11-05 | OH05 | Bob Latta* (R) | 18,361 | 73.9% | Keith Mundy (D) | 6,495 | 26.1% | 0 | 0.0% | 24,856 | |||
| County Total for 2024-11-05: | 24,856 | ||||||||||||
| 2022-11-08 | OH05 | Bob Latta* (R) | 13,354 | 73.3% | Craig Swartz (D) | 4,855 | 26.7% | 0 | 0.0% | 18,209 | |||
| County Total for 2022-11-08: | 18,209 | ||||||||||||
| 2020-11-03 | OH04 | Jim Jordan* (R) | 17,115 | 67.1% | Shannon Freshour (D) | 7,548 | 29.6% | 838 | 3.3% | 25,501 | |||
| County Total for 2020-11-03: | 25,501 | ||||||||||||
| 2018-11-06 | OH04 | Jim Jordan* (R) | 12,041 | 64.9% | Janet Garrett (D) | 6,515 | 35.1% | 0 | 0.0% | 18,556 | |||
| County Total for 2018-11-06: | 18,556 | ||||||||||||
| 2016-11-08 | OH04 | Jim Jordan* (R) | 15,214 | 66.3% | Janet Garrett (D) | 7,722 | 33.7% | 0 | 0.0% | 22,936 | |||
| County Total for 2016-11-08: | 22,936 | ||||||||||||
| 2014-11-04 | OH04 | Jim Jordan* (R) | 9,031 | 66.3% | Janet Garrett (D) | 4,587 | 33.7% | 0 | 0.0% | 13,618 | |||
| County Total for 2014-11-04: | 13,618 | ||||||||||||
| 2012-11-06 | OH04 | Jim Jordan* (R) | 12,639 | 53.7% | Jim Slone (D) | 9,306 | 39.5% | 1,605 | 6.8% | 23,550 | |||
| County Total for 2012-11-06: | 23,550 | ||||||||||||
| 2010-11-02 | OH05 | Bob Latta* (R) | 11,726 | 66.2% | Caleb Finkenbiner (D) | 4,710 | 26.6% | 1,288 | 7.3% | 17,724 | |||
| County Total for 2010-11-02: | 17,724 | ||||||||||||
| 2008-11-04 | OH05 | Bob Latta* (R) | 16,431 | 62.4% | George Mays (D) | 9,909 | 37.6% | 0 | 0.0% | 26,340 | |||
| County Total for 2008-11-04: | 26,340 | ||||||||||||
| 2007-12-11 sp | OH05 | Bob Latta (R) | 5,390 | 53.3% | Robin Weirauch (D) | 4,701 | 46.5% | 22 | 0.2% | 10,113 | |||
| County Total for 2007-12-11: | 10,113 | ||||||||||||
| 2006-11-07 | OH05 | Paul Gillmor* (R) | 12,103 | 59.6% | Robin Weirauch (D) | 8,204 | 40.4% | 0 | 0.0% | 20,307 | |||
| County Total for 2006-11-07: | 20,307 | ||||||||||||
| 2004-11-02 | OH05 | Paul Gillmor* (R) | 17,888 | 68.9% | Robin Weirauch (D) | 8,062 | 31.1% | 0 | 0.0% | 25,950 | |||
| County Total for 2004-11-02: | 25,950 | ||||||||||||
| 2002-11-05 | OH05 | Paul Gillmor* (R) | 11,415 | 67.8% | Roger Anderson (D) | 4,586 | 27.2% | 837 | 5.0% | 16,838 | |||
| County Total for 2002-11-05: | 16,838 | ||||||||||||
| 2000-11-07 | OH05 | Paul Gillmor* (R) | 17,682 | 74.2% | Dannie Edmon (D) | 4,991 | 21.0% | 1,146 | 4.8% | 23,819 | |||
| County Total for 2000-11-07: | 23,819 | ||||||||||||
| 1996-11-05 | OH05 | Paul Gillmor* (R) | 14,650 | 62.6% | Annie Saunders (D) | 7,580 | 32.4% | 1,156 | 4.9% | 23,386 | |||
| County Total for 1996-11-05: | 23,386 | ||||||||||||
| 1994-11-08 | OH05 | Paul Gillmor* (R) | 14,120 | 74.9% | Jarrod Tudor (D) | 4,722 | 25.1% | 0 | 0.0% | 18,842 | |||
| County Total for 1994-11-08: | 18,842 | ||||||||||||
Party registration is not used in this state, however as of 2022 registrations in Seneca County, OH were estimated to be 42% Republican and 19% Democrat.
| Year | Total | Republican | Democrat | Other | R/D Edge | R/D Edge % | VAPOP % | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | 35,068 | 0 | 0.0% | 0 | 0.0% | 35,068 | 100.0% | n/a | n/a | 82% |
| 2022 | 34,328 | 0 | 0.0% | 0 | 0.0% | 34,328 | 100.0% | n/a | n/a | 80% |
| 2020 | 34,413 | 0 | 0.0% | 0 | 0.0% | 34,413 | 100.0% | n/a | n/a | 80% |
| 2018 | 34,681 | 0 | 0.0% | 0 | 0.0% | 34,681 | 100.0% | n/a | n/a | 81% |
| 2016 | 34,399 | 0 | 0.0% | 0 | 0.0% | 34,399 | 100.0% | n/a | n/a | 80% |
| 2014 | 35,193 | 0 | 0.0% | 0 | 0.0% | 35,193 | 100.0% | n/a | n/a | 82% |
| 2012 | 36,320 | 0 | 0.0% | 0 | 0.0% | 36,320 | 100.0% | n/a | n/a | 84% |
| 2010 | 37,148 | 0 | 0.0% | 0 | 0.0% | 37,148 | 100.0% | n/a | n/a | 86% |
| 2008 | 36,440 | 0 | 0.0% | 0 | 0.0% | 36,440 | 100.0% | n/a | n/a | 84% |
| 2006 | 35,027 | 0 | 0.0% | 0 | 0.0% | 35,027 | 100.0% | n/a | n/a | 81% |
| 2004 | 37,974 | 0 | 0.0% | 0 | 0.0% | 37,974 | 100.0% | n/a | n/a | 87% |
| 2002 | 35,713 | 0 | 0.0% | 0 | 0.0% | 35,713 | 100.0% | n/a | n/a | 82% |
| 2000 | 35,917 | 0 | 0.0% | 0 | 0.0% | 35,917 | 100.0% | n/a | n/a | 83% |
| 1998 | 35,543 | 0 | 0.0% | 0 | 0.0% | 35,543 | 100.0% | n/a | n/a | 82% |