State Senate District 21 State Senate District (FL) — Elections 1876–2024

Florida 21st State Senate District, Florida: Bellwether district. In 2024, voted R+10%. Democratic peak: D+83 in 1892.

Key facts

2024 presidential margin: R+10MIT Election Lab
Political archetype: BellwetherAkashic typology
Population: 489,9462024 5-year
Median household income: $72,1582024 5-year
White (non-Hispanic): 73.2%2024 5-year
Black: 8.9%2024 5-year
Hispanic / Latino: 12.9%2024 5-year
Peak Democratic margin: D+83 in 1892MIT Election Lab
Peak Republican margin: R+47 in 1928MIT Election Lab

2024 results by constituent county

2 counties · 0 D · 2 R

R+60

D+60

One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.

38 presidential elections

Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year	Won	Margin	Democratic	Republican	Total
2024	R	−9.7%	116,646	141,880	261,140
2020	R	−3.8%	130,736	141,244	274,956
2016	R	−4.9%	108,277	119,876	237,437
2012	D	+3.5%	111,876	104,284	218,784
2008	D	+6.2%	116,247	102,607	221,213
2004	R	−1.6%	104,056	107,501	213,747
2000	D	+3.5%	91,547	85,154	182,654
1996	D	+9.4%	84,727	68,619	172,213
1992	D	+0.8%	72,779	71,245	190,983
1988	R	−15.5%	69,091	94,588	164,536
1984	R	−29.6%	58,002	106,722	164,751
1980	R	−14.2%	60,623	82,142	151,739
1976	R	−1.7%	61,918	64,131	127,632
1972	R	−40.1%	32,416	75,919	108,501
1968	R	−19.2%	27,967	44,727	87,257
1964	D	+9.8%	40,167	33,005	73,172
1960	R	−26.7%	23,890	41,331	65,221
1956	R	−43.8%	11,815	30,224	42,039
1952	R	−41.3%	9,440	22,730	32,169
1948	R	−19.1%	6,615	10,126	18,396
1944	D	+16.2%	8,156	5,885	14,041
1940	D	+18.7%	8,010	5,488	13,498
1936	D	+20.1%	5,152	3,429	8,581
1932	D	+18.8%	4,258	2,909	7,166
1928	R	−46.7%	1,590	4,436	6,098
1924	R	−1.4%	1,177	1,215	2,641
1920	D	+8.5%	1,332	1,109	2,631
1916	D	+40.3%	733	261	1,171
1912	D	+55.1%	424	45	688
1908	D	+61.5%	79	15	104
1904	D	+62.5%	82	17	104
1900	D	+78.3%	89	6	106
1896	D	+73.5%	88	13	102
1892	D	+83.5%	86	0	103
1888	—	No data	—	—	—
1884	—	No data	—	—	—
1880	—	No data	—	—	—
1876	—	No data	—	—	—

Demographics

Race, ethnicity, and ancestry

Click any group to see the ancestries typically reported within it.

German

13.3%

Irish

11.8%

English

11.4%

American

9.9%

Italian

8.2%

Polish

3.4%

French

2.5%

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: 47.7 in this county, 39.1 nationally

Male

Age

Female

1.2%

85+

1.9%

3.8%

75–84

4.6%

6.4%

65–74

7.4%

55–64

8.0%

6.0%

45–54

6.2%

5.9%

35–44

6.0%

25–34

6.0%

3.3%

18–24

3.2%

6.3%

5–17

6.1%

2.1%

2.0%

Source · American Community Survey 5-year estimates, 2024 release.

Median household income

2024 inflation-adjusted dollars

$72,158

State Senate District 21 ranks near the middle of US counties.

State Senate District 21$72,158

Florida$74,568

United States$80,734

Source · American Community Survey 5-year estimates, 2024 release.

Poverty rate

All persons below federal poverty line

11.4%

Child poverty is below the national average.

Children under 1814.6%

Working age (18–64)10.5%

Seniors (65+)12.6%

Source · American Community Survey 5-year estimates, 2024 release.

Language at home

Population aged 5 and older

83.4%

speak English only

Spanish8.4%

Other Indo-European5.0%

Asian & Pacific Islander2.4%

Other languages0.8%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

23.2%

Other Christian

9.4%

Baptist

4.0%

Methodist

2.9%

Pentecostal & Holiness

1.8%

Non-Christian

1.8%

Mainline Protestant

1.7%

Source · 2020 US Religion Census. Remaining 55.2% 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 eighty-three points in modern history; the Republican margin has rarely exceeded forty-seven points. 2024 delivered the district to the Republican candidate by ten 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 $72,158 — all within the broad national range.

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Cite this page

All citations released under CC BY 4.0. Attribution: Akashic Intelligence.

State Senate District 21, Florida. Akashic. https://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 9.7 points (R+10), carried by the Republican candidate. Out of 261,140 votes cast, 116,646 went Democratic and 141,880 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 38 elections in the dataset, the district has voted Democratic 18 times, Republican 16 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 489,946 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 $72,158 — 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 38 presidential elections in State Senate District 21, Florida from 1876 to 2024. Of those, 18 went Democratic and 16 went Republican. The district's archetype — "Bellwether" — captures the overall trajectory of that voting record.

Florida 21st State Senate District delivered R+10 in 2024.

Key facts

Demographics

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Frequently asked questions