Florida 21st State Senate District, Florida: Bellwether district. In 2024, voted R+14%. Republican peak: R+14 in 2024.
Key facts
- 2024 presidential margin
- R+14MIT Election Lab
- Political archetype
- BellwetherAkashic typology
- Population
- 535,0302024 5-year
- Median household income
- $71,7152024 5-year
- White (non-Hispanic)
- 72.8%2024 5-year
- Black
- 8.2%2024 5-year
- Hispanic / Latino
- 14.4%2024 5-year
- Peak Democratic margin
- D+4 in 2008MIT Election Lab
- Peak Republican margin
- R+14 in 2024MIT Election Lab
Constituent county margins for State Senate District 21, FLOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
R+60D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
5 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 120,869 | 159,760 | 283,478 | ||
| R | 132,520 | 155,020 | 290,688 | ||
| R | 107,784 | 129,163 | 246,461 | ||
| D | 112,559 | 109,762 | 225,795 | ||
| D | 117,029 | 107,877 | 228,207 |
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
13.0%
Irish
11.4%
American
11.1%
English
10.9%
Italian
8.2%
Polish
3.3%
French
2.4%
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.
Age distribution by sex
Median age: 46.6 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.
Median household income
2024 inflation-adjusted dollars
$71,715
State Senate District 21 ranks near the middle of US counties.
State Senate District 21$71,715
Florida$74,568
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
11.3%
Child poverty is below the national average.
Children under 1814.6%
Working age (18–64)10.3%
Seniors (65+)12.2%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
82.8%
speak English only
Spanish9.3%
Other Indo-European4.8%
Asian & Pacific Islander2.3%
Other languages0.9%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 59.2% of residents not counted as adherents by any reporting body.
With a 33-point Republican presidential margin in 2024, this district ranks among Florida's most consistently one-sided. Its population of 535,000 suggests a sprawling or predominantly rural footprint that anchors the state's conservative base.
The Democratic margin in Florida 21st State Senate District has rarely exceeded four points in modern history; the Republican margin has rarely exceeded fourteen points. 2024 delivered the district to the Republican candidate by fourteen points.
Its demographics resemble the country more than they resemble most districts. A 73% non-Hispanic-white share, a 11% poverty rate, and a median household income of $71,715 — all within the broad national range.
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
State Senate District 21, Florida — The Long Memory. Akashic Intelligence — The Long Memory. https://tiers.akashic.app/sld-upper/12021/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did State Senate District 21, Florida vote in 2024?
In 2024, State Senate District 21, Florida voted Republican by 13.7 points (R+14), carried by the Republican candidate. Out of 283,478 votes cast, 120,869 went Democratic and 159,760 went Republican.
What is State Senate District 21, Florida's political archetype?
Akashic classifies State Senate District 21, Florida as a "Bellwether" district based on its long-arc presidential voting pattern. Across 5 elections in the dataset, the district has voted Democratic 2 times, Republican 3 times, and other 0 times.
When did State Senate District 21, Florida last vote Democratic?
The most recent presidential election in which State Senate District 21, Florida voted Democratic was 2012.
How many people live in State Senate District 21, Florida?
State Senate District 21, Florida has a population of 535,030 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in State Senate District 21, Florida?
Median household income in State Senate District 21, Florida is $71,715 — below the national median of $80,734. The Florida state median is $74,568.
What is the political history of State Senate District 21, Florida?
Akashic tracks 5 presidential elections in State Senate District 21, Florida from 2008 to 2024. Of those, 2 went Democratic and 3 went Republican. The district's archetype — "Bellwether" — captures the overall trajectory of that voting record.