St. Johns County, FL

FL · Presidential Elections 18842024

R+31.2
2024 Margin
R+4.5%
2020→2024 Swing
R since 1980
Voting Streak
307K
Population

St. Johns County, FL (Florida) voted R+31.2 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 128,759 votes (64.87%) to 66,862 (33.68%) for Harris.

This represents a R+4.5% swing toward Republicans compared to 2020. St. Johns County is classified as a deep Republican county. St. Johns County has voted Republican in every presidential election since 1980. The county has a population of approximately 306,934.

Quick Stats

2024 ResultR+31.2
2020→2024 SwingR+4.5%
Voting StreakR since 1980
Elections on Record35

Demographics

Population306,934
Median Age
44.2(US: 38.7)
College (BA+)
50.9%(US: 35.2%)
Median Income
$109,839(US: $80k)
White (non-Hisp)
78.6%(US: 57.6%)
Hispanic
9.1%(US: 19.1%)
Black
4.9%(US: 12.2%)
Asian
3.1%(US: 5.7%)
Homeownership
82.2%(US: 64.5%)
Poverty Rate
6.5%(US: 12.3%)
Veterans
9.8%(US: 6.2%)
Non-English (CVAP)
8.3%(US: 17.0%)
Source: Census ACS 5-Year (2020-2024)

Community Profile

Religious Composition

Source: Religion Census 2020
Evangelical
14.5%
Catholic
13.0%(Below Average)
Mainline Protestant
4.2%
LDS/Mormon
1.5%
Black Protestant
1.2%
+ 1 more traditions

Ancestry Groups

Source: Census ACS

Top reported ancestry groups (compared to national average).

English
15.2%Above Average(1.7x)
Irish
13.6%(1.5x)
German
13.2%
Italian
7.8%Above Average(1.6x)
American Heritage
6.9%(1.3x)
Polish
3.0%
+ 5 more reported ancestry groups

Age Distribution

Median:44.2 yrs(US: 38.5)
Under 18
21.6%
18-29
6.7%
30-44
15.5%
45-64
35.2%
65+
21.1%
National average

Employment by Industry

Census ACS
Professional & TechnicalRegional Strength
16.7%(1.4x US)
Retail Trade
10.7%
Educational Services
9.8%(1.1x US)
Construction
6.0%(0.9x US)
Manufacturing
5.4%(0.5x US)
Healthcare & Social Services
5.4%(1.2x US)
National average

Presidential Elections

Presidential Results

YearDemocratRepublicanMarginSwing
202433.7%(66,862)64.9%(128,759)R+31.2R+4.5
202036.1%(63,850)62.8%(110,946)R+26.7D+6.7
201631.6%(43,099)65.0%(88,684)R+33.4D+4.3
201230.6%(35,190)68.4%(78,513)R+37.7R+6.2
200833.8%(35,791)65.4%(69,222)R+31.6D+6.4
200430.6%(26,399)68.6%(59,196)R+38.0R+5.0
200032.1%(19,509)65.1%(39,564)R+33.0R+11.2
199634.4%(16,716)56.3%(27,318)R+21.8R+2.1
199230.7%(12,291)50.5%(20,188)R+19.7D+21.1
198829.3%(8,029)70.1%(19,228)R+40.9D+1.7

Source: Official state election returns via MIT Election Data + Science Lab

Presidential Margin Trend

St. Johns County, FL18842024

D+R++100+80+60+40+200-20-40-60-80-100188418961904191219201928193619441952196019681976198419922000200820162024
Democratic margin
Republican margin

Senate Elections

Senate Results

YearDemocratRepublicanMarginSwing
202433.0%(64,516)65.6%(128,463)R+32.7D+4.9
202230.7%(44,371)68.3%(98,564)R+37.5R+7.4
201834.9%(45,638)65.1%(85,031)R+30.1D+14.2
201626.2%(35,580)70.6%(95,753)R+44.4R+21.6
201236.9%(41,171)59.7%(66,626)R+22.8D+31.9
201011.1%(8,365)65.8%(49,761)R+54.7R+46.5
200645.1%(27,329)53.3%(32,311)R+8.2D+25.8
200432.1%(27,319)66.2%(56,251)R+34.0R+6.0
200034.5%(20,558)62.5%(37,275)R+28.1R+29.0
199850.5%(20,190)49.5%(19,803)D+1.0D+58.5

Source: Official state election returns via MIT Election Data + Science Lab

Governor Elections

Governor Results

YearDemocratRepublicanMarginSwing
202229.6%(42,873)69.7%(101,066)R+40.1R+11.5
201835.3%(46,206)63.9%(83,658)R+28.6D+9.8
201428.8%(24,921)67.2%(58,150)R+38.4R+8.3
201033.5%(25,054)63.6%(47,573)R+30.1D+6.7
200630.5%(18,554)67.3%(40,979)R+36.8D+7.1
200227.7%(15,512)71.6%(40,056)R+43.9R+3.9
199830.0%(11,984)70.0%(27,942)R+40.0R+13.4
199436.7%(12,791)63.3%(22,036)R+26.5R+9.7
199041.6%(10,399)58.4%(14,626)R+16.9D+6.6
198638.2%(7,544)61.8%(12,181)R+23.5R+50.9

Source: Official state election returns via MIT Election Data + Science Lab

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