akashic
1876–2024
Congressional District 18·Florida

Florida 18th Congressional District voted Democratic for a century; it now votes Republican by 28 points.

A reliably Republican district anchored by the Treasure Coast

18762024·38 elections
FL
Latest
R+28
in 2024
Archetype
Old Confederacy
since the recent cycles
Population
889,467
2024 ACS

Florida 18th Congressional District, Florida: Old Confederacy district. In 2024, voted R+28%. Democratic peak: D+85 in 1884.

Key facts

2024 presidential margin
R+28MIT Election Lab
Political archetype
Old ConfederacyAkashic typology
Population
889,4672024 5-year
Median household income
$63,3132024 5-year
White (non-Hispanic)
57.7%2024 5-year
Black
13.1%2024 5-year
Hispanic / Latino
29.9%2024 5-year
Peak Democratic margin
D+85 in 1884MIT Election Lab
Peak Republican margin
R+58 in 1972MIT Election Lab
R
FRANKLIN, C. ScottCongress 119 · Republican

Predecessors: MAST, Brian Jeffrey (2021–2023), MAST, Brian Jeffrey (2019–2021), MAST, Brian Jeffrey (2017–2019), MURPHY, Patrick (2015–2017)

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

8 counties · 0 D · 8 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
−27.6%
138,088244,276385,375
R
−20.6%
149,369227,838380,794
R
−19.4%
123,893185,874319,608
R
−11.2%
124,667156,613284,050
R
−9.9%
126,755154,835284,132
R
−19.8%
100,456150,349252,364
R
−11.5%
88,456112,005204,519
R
−1.0%
82,68884,634188,645
R
−9.2%
63,86080,716182,643
R
−33.0%
48,13795,993145,041
R
−39.8%
44,222102,707146,953
R
−14.6%
52,83471,550128,477
D
+4.6%
56,40051,380109,407
R
−58.2%
18,41170,09788,796
O
−14.7%
18,18830,73485,376
R
−9.4%
33,58540,52274,107
R
−11.1%
27,68434,61162,295
R
−9.3%
22,16326,68548,848
D
+0.4%
24,13023,95148,082
D
+23.5%
16,3849,37029,877
D
+46.0%
18,2686,75425,022
D
+52.7%
22,7307,03629,766
D
+43.8%
15,6796,13221,811
D
+49.8%
14,9985,03120,029
R
−28.1%
6,63311,97519,039
D
+34.7%
4,8042,1077,777
D
+36.9%
5,7702,5168,820
D
+56.1%
3,7508335,197
D
+63.0%
2,0251922,909
D
+52.8%
1,9624692,830
D
+60.2%
1,3952851,843
D
+68.9%
762103957
D
+57.8%
8952161,175
D
+81.9%
6740823
No data
D
+84.8%
58548633
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
9.7%
English
8.8%
German
8.7%
Irish
7.2%
Italian
3.7%
French
1.6%
Polish
1.1%
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
72.2%
speak English only
Spanish23.6%
Other Indo-European2.9%
Asian & Pacific Islander0.8%
Other languages0.5%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Other Christian
14.6%
Catholic & Orthodox
10.9%
Baptist
8.7%
Pentecostal & Holiness
4.1%
Methodist
2.8%
Mainline Protestant
1.8%
Non-Christian
0.7%
Source · 2020 US Religion Census. Remaining 56.5% of residents not counted as adherents by any reporting body.

Florida's 18th stretches along the Atlantic coast through Martin and St. Lucie counties, where a largely older, suburban electorate has returned Republican presidential margins above 15 points in recent cycles.

The shift began with civil rights. 1980 marked the realignment in Florida 18th Congressional District, by a fifteen points margin. The Republican margin reached its widest at fifty-eight points in 1972. The 2024 margin was twenty-eight points.

The political shift has tracked, in Florida 18th Congressional District, the political shift of the South more broadly. A 58% non-Hispanic-white share, a median household income of $63,313, and a 16% poverty rate describe the demographic context.

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 18, Florida. Akashic. https://akashic.app/cd/1218/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Congressional District 18, Florida vote in 2024?
In 2024, Congressional District 18, Florida voted Republican by 27.6 points (R+28), carried by the Republican candidate. Out of 385,375 votes cast, 138,088 went Democratic and 244,276 went Republican.
What is Congressional District 18, Florida's political archetype?
Akashic classifies Congressional District 18, Florida as a "Old Confederacy" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 17 times, Republican 17 times, and other 1 times.
When did Congressional District 18, Florida last vote Democratic?
The most recent presidential election in which Congressional District 18, Florida voted Democratic was 1976.
How many people live in Congressional District 18, Florida?
Congressional District 18, Florida has a population of 889,467 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Congressional District 18, Florida?
Median household income in Congressional District 18, Florida is $63,313 — below the national median of $80,734. The Florida state median is $74,568.
What is the political history of Congressional District 18, Florida?
Akashic tracks 38 presidential elections in Congressional District 18, Florida from 1876 to 2024. Of those, 17 went Democratic and 17 went Republican. The district's archetype — "Old Confederacy" — captures the overall trajectory of that voting record.