akashic
1876–2024
Congressional District 21·Florida

Florida 21st Congressional District delivered R+11 in 2024.

A South Florida seat that has trended toward Democrats by single digits

18762024·38 elections
FL
Latest
R+11
in 2024
Archetype
Bellwether
since the recent cycles
Population
798,042
2024 ACS

Florida 21st Congressional District, Florida: Bellwether district. In 2024, voted R+11%. Democratic peak: D+60 in 1912.

Key facts

2024 presidential margin
R+11MIT Election Lab
Political archetype
BellwetherAkashic typology
Population
798,0422024 5-year
Median household income
$77,9752024 5-year
White (non-Hispanic)
60.0%2024 5-year
Black
17.1%2024 5-year
Hispanic / Latino
21.5%2024 5-year
Peak Democratic margin
D+60 in 1912MIT Election Lab
Peak Republican margin
R+50 in 1972MIT Election Lab
R
MAST, Brian JeffreyCongress 119 · Republican

Predecessors: FRANKEL, Lois (2021–2023), FRANKEL, Lois (2019–2021), FRANKEL, Lois (2017–2019), DEUTCH, Theodore E. (Ted) (2015–2017)

Source · Voteview / Lewis, Poole, Rosenthal et al. (CC-BY).

3 counties · 1 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.
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
R
−11.1%
183,835230,226417,154
R
−2.3%
198,871208,090409,702
R
−2.3%
164,333172,397345,549
D
+3.2%
158,750148,801309,750
D
+9.3%
165,494137,236304,888
D
+5.1%
141,054127,138270,295
D
+9.4%
116,61296,139217,785
D
+8.5%
98,44181,444199,901
R
−1.0%
72,40874,398194,174
R
−27.2%
54,82396,183151,910
R
−35.8%
42,86190,639133,522
R
−28.0%
34,95064,436105,395
R
−2.8%
38,53340,82180,632
R
−50.2%
14,86945,06460,207
R
−20.6%
13,70723,62648,145
R
−2.9%
19,23920,40439,643
R
−15.2%
13,38718,19531,582
R
−37.9%
6,68914,85021,539
R
−30.1%
6,50812,10918,617
R
−3.7%
4,2084,61110,883
D
+28.6%
5,0812,8207,900
D
+29.7%
5,3212,8818,202
D
+46.5%
4,4541,6286,082
D
+43.9%
3,8161,4885,304
R
−21.3%
1,6912,6374,451
D
+7.9%
9998342,090
D
+14.4%
1,4341,0472,695
D
+50.6%
8331901,272
D
+60.2%
43451636
D
+50.0%
28063434
No data
No data
No data
No data
No data
No data
No data
No data

U.S. Senate

Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
YearWonD %R %Total
2024R42.8%55.6%10,757,428
2022R41.3%57.7%7,758,014
2018R49.9%50.1%8,190,005
2016R44.3%52.0%9,301,820
2012D55.2%42.2%8,189,946
2010R20.2%48.9%5,411,106
2006D60.3%38.1%4,793,534
2004R48.3%49.4%7,429,894
2000D51.0%46.2%5,856,731
1998D62.5%37.5%3,900,162
1994R29.5%70.5%4,106,816
1992D65.4%34.6%4,962,290
1988R49.6%50.4%4,068,209
1986D54.7%45.3%3,429,996
1982D61.7%38.3%2,653,419
1980R48.3%51.7%3,528,028
1976D63.0%37.0%2,857,534

Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
American
14.3%
Irish
9.4%
German
9.0%
Italian
8.2%
English
7.5%
Polish
2.8%
French
1.6%
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.
Language at home
Population aged 5 and older
74.0%
speak English only
Spanish16.4%
Other Indo-European7.8%
Asian & Pacific Islander1.2%
Other languages0.7%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
22.0%
Other Christian
9.5%
Baptist
3.2%
Mainline Protestant
1.7%
Methodist
1.5%
Non-Christian
1.5%
Pentecostal & Holiness
1.4%
Source · 2020 US Religion Census. Remaining 59.3% of residents not counted as adherents by any reporting body.

Florida's 21st congressional district, anchored in Palm Beach County's southern suburbs, delivered a 5-point Democratic margin in 2024, reflecting the area's growing share of college-educated and Hispanic voters shifting the district's competitive balance.

The Democratic margin in Florida 21st Congressional District has rarely exceeded sixty points in modern history; the Republican margin has rarely exceeded fifty points. 2024 delivered the district to the Republican candidate by eleven points.

Its demographics resemble the country more than they resemble most districts. A 60% non-Hispanic-white share, a 12% poverty rate, and a median household income of $77,975 — all within the broad national range.

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.
Congressional District 21, Florida. Akashic. https://akashic.app/cd/1221/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Congressional District 21, Florida vote in 2024?
In 2024, Congressional District 21, Florida voted Republican by 11.1 points (R+11), carried by the Republican candidate. Out of 417,154 votes cast, 183,835 went Democratic and 230,226 went Republican.
What is Congressional District 21, Florida's political archetype?
Akashic classifies Congressional 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 14 times, Republican 16 times, and other 0 times.
When did Congressional District 21, Florida last vote Democratic?
The most recent presidential election in which Congressional District 21, Florida voted Democratic was 2012.
How many people live in Congressional District 21, Florida?
Congressional District 21, Florida has a population of 798,042 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Congressional District 21, Florida?
Median household income in Congressional District 21, Florida is $77,975 — below the national median of $80,734. The Florida state median is $74,568.
What is the political history of Congressional District 21, Florida?
Akashic tracks 38 presidential elections in Congressional District 21, Florida from 1876 to 2024. Of those, 14 went Democratic and 16 went Republican. The district's archetype — "Bellwether" — captures the overall trajectory of that voting record.