Seminole County, Florida: Diversifying Metro county. In 2024, voted R+4%. Republican peak: R+62 in 1972.
Key facts
- 2024 presidential margin
- R+4MIT Election Lab
- Political typology
- Diversifying MetroAkashic typology
- Population
- 481,4702024 5-year
- Median household income
- $85,7612024 5-year
- White (non-Hispanic)
- 59.2%2024 5-year
- Black
- 11.8%2024 5-year
- Hispanic / Latino
- 23.9%2024 5-year
- Peak Democratic margin
- D+55 in 1916MIT Election Lab
- Peak Republican margin
- R+62 in 1972MIT Election Lab
- Most similar
- Virginia Beach city, VA · similarity 0.98
2024 results by precinct
2024 precinct map of Seminole CountyPrecinct-level 2024 presidential results for Seminole County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | No data |
| 1896 | No data |
| 1900 | No data |
| 1904 | No data |
| 1908 | No data |
| 1912 | No data |
| 1916 | +55.3% |
| 1920 | +30.2% |
| 1924 | +36.1% |
| 1928 | −19.8% |
| 1932 | +38.6% |
| 1936 | +48.4% |
| 1940 | +39.4% |
| 1944 | +37.0% |
| 1948 | +11.9% |
| 1952 | −20.0% |
| 1956 | −30.3% |
| 1960 | −29.3% |
| 1964 | −5.0% |
| 1968 | −19.4% |
| 1972 | −61.8% |
| 1976 | −15.1% |
| 1980 | −37.3% |
| 1984 | −51.9% |
| 1988 | −45.1% |
| 1992 | −18.2% |
| 1996 | −12.8% |
| 2000 | −12.0% |
| 2004 | −16.8% |
| 2008 | −2.8% |
| 2012 | −6.5% |
| 2016 | −1.6% |
| 2020 | +2.8% |
| 2024 | −3.6% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 120,647 | 129,704 | 253,616 | ||
| D | 132,528 | 125,241 | 260,815 | ||
| R | 105,914 | 109,443 | 224,896 | ||
| R | 96,445 | 109,943 | 208,620 | ||
| R | 99,335 | 105,070 | 205,895 | ||
| R | 76,971 | 108,172 | 186,195 | ||
| R | 59,227 | 75,790 | 137,805 | ||
| R | 45,058 | 59,797 | 114,904 | ||
| R | 35,660 | 57,101 | 117,560 | ||
| R | 22,635 | 60,401 | 83,658 | ||
| R | 17,795 | 56,244 | 74,092 | ||
| R | 17,443 | 39,989 | 60,439 | ||
| R | 19,609 | 26,655 | 46,813 | ||
| R | 6,503 | 27,658 | 34,212 | ||
| R | 6,120 | 10,821 | 24,216 | ||
| R | 9,125 | 10,078 | 19,203 | ||
| R | 4,891 | 8,936 | 13,827 | ||
| R | 3,125 | 5,841 | 8,966 | ||
| R | 3,120 | 4,683 | 7,803 | ||
| D | 2,261 | 1,665 | 5,007 | ||
| D | 2,940 | 1,352 | 4,292 | ||
| D | 3,150 | 1,369 | 4,519 | ||
| D | 2,580 | 897 | 3,477 | ||
| D | 2,142 | 948 | 3,090 | ||
| R | 1,187 | 1,788 | 3,036 | ||
| D | 945 | 372 | 1,586 | ||
| D | 1,485 | 767 | 2,376 | ||
| D | 706 | 155 | 996 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
American
11.4%
German
10.8%
Irish
10.0%
English
9.7%
Italian
6.2%
Polish
2.4%
French
2.1%
African American
9.4%
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. 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.
2024 ACS
Age distribution by sex
Median age: 39.8 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.
2024 ACS
Median household income
Inflation-adjusted dollars
$85,761
Seminole County ranks in the top 25% of US counties.
Seminole County$85,761
Florida$74,568
United States$80,734
Seminole County ranks in the top 25% of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
9.0%
Child poverty is below the national average.
Children under 189.4%
Working age (18–64)8.8%
Seniors (65+)10.7%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
76.9%
speak English only
Spanish15.5%
Other Indo-European4.0%
Asian & Pacific Islander2.6%
Other languages0.9%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 46.7% of residents not counted as adherents by any reporting body.
Seminole County, anchored by Sanford and a dense ring of Orlando exurbs, has trended toward competitive margins over the past decade as college-educated suburban voters have reshaped its electorate.
The Democratic margin here reached fifty-five points in 1916. Between 2020 and 2024 the county moved six points toward the Republican candidate; the 2024 margin was four points.
A population of 481,470, a 59% non-Hispanic-white share, and a median household income of $85,761 describe the county. The county's voting pattern over the last decade is most similar to that of Virginia Beach city and Morris County.
Most similar counties
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.
Seminole County, Florida. Akashic. https://akashic.app/county/12117/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More diversifying metro counties
Frequently asked questions
How did Seminole County, Florida vote in 2024?
In 2024, Seminole County, Florida voted Republican by 3.6 points (R+4), carried by the Republican candidate. Out of 253,616 votes cast, 120,647 went Democratic and 129,704 went Republican.
What is Seminole County, Florida's political typology?
Akashic places Seminole County, Florida in the "Diversifying Metro" typology — Mid-size metropolitan counties growing more diverse and trending Democratic. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 9 times, Republican 19 times, and other 0 times.
When did Seminole County, Florida last vote Democratic?
The most recent presidential election in which Seminole County, Florida voted Democratic was 2020.
How many people live in Seminole County, Florida?
Seminole County, Florida has a population of 481,470 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Seminole County, Florida?
Median household income in Seminole County, Florida is $85,761 — above the national median of $80,734. The Florida state median is $74,568.
What is the political history of Seminole County, Florida?
Akashic tracks 38 presidential elections in Seminole County, Florida from 1876 to 2024. Of those, 9 went Democratic and 19 went Republican. The county's typology — "Diversifying Metro" — captures where that record, its demographics, and its recent swing place it among American communities.