Linn County, IA

IA · Presidential Elections 18922024

D+9.9
2024 Margin
R+3.9%
2020→2024 Swing
D since 1988
Voting Streak
230K
Population

Linn County, IA (Iowa) voted D+9.9 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 66,358 votes (53.97%) to 54,237 (44.11%) for Trump.

This represents a R+3.9% swing toward Republicans compared to 2020. Linn County is classified as a lean Democratic county. Linn County has voted Democratic in every presidential election since 1988. The county has a population of approximately 230,004.

Quick Stats

2024 ResultD+9.9
2020→2024 SwingR+3.9%
Voting StreakD since 1988
Elections on Record34

Demographics

Population230,004
Median Age
39.0(US: 38.7)
College (BA+)
34.7%(US: 35.2%)
Median Income
$77,649(US: $80k)
White (non-Hisp)
83.0%(US: 57.6%)
Hispanic
4.1%(US: 19.1%)
Black
7.1%(US: 12.2%)
Asian
2.3%(US: 5.7%)
Homeownership
73.5%(US: 64.5%)
Poverty Rate
9.4%(US: 12.3%)
Veterans
7.4%(US: 6.2%)
Non-English (CVAP)
4.4%(US: 17.0%)
Source: Census ACS 5-Year (2020-2024)

Community Profile

Religious Composition

Source: Religion Census 2020
Catholic
17.2%
Evangelical
12.0%
Mainline Protestant
11.2%(Major Center)
LDS/Mormon
0.8%
Black Protestant
0.5%

Ancestry Groups

Source: Census ACS

Top reported ancestry groups (compared to national average).

German
30.3%Above Average(2.5x)
Irish
14.0%(1.5x)
English
11.5%(1.3x)
American Heritage
3.8%
Mexican
2.9%
Sub-Saharan African
2.1%Above Average(1.7x)
+ 3 more reported ancestry groups

Age Distribution

Median:39.0 yrs(US: 38.5)
Under 18
22.6%
18-29
9.0%
30-44
19.8%
45-64
31.4%
65+
17.3%
National average

Employment by Industry

Census ACS
ManufacturingRegional Strength
17.2%(1.8x US)
Retail Trade
11.3%
Professional & Technical
10.2%(0.9x US)
Educational Services
7.7%(0.9x US)
Construction
6.9%
Healthcare & Social Services
3.6%(0.8x US)
National average
+ 1 more sectors

Presidential Elections

Presidential Results

YearDemocratRepublicanMarginSwing
202454.0%(66,358)44.1%(54,237)D+9.9R+3.9
202055.6%(70,874)41.9%(53,364)D+13.7D+4.8
201649.9%(58,935)41.0%(48,390)D+8.9R+8.8
201257.9%(68,581)40.2%(47,622)D+17.7R+3.8
200860.0%(68,037)38.5%(43,626)D+21.5D+11.6
200454.6%(60,442)44.6%(49,442)D+9.9D+0.7
200053.1%(48,897)43.9%(40,417)D+9.2R+8.3
199654.8%(45,497)37.3%(30,958)D+17.5D+8.1
199243.4%(38,567)34.0%(30,215)D+9.4R+3.5
198856.0%(42,993)43.2%(33,129)D+12.9D+16.0

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

Presidential Margin Trend

Linn County, IA18922024

D+R++40+200-20-4018921900190819161924193219401948195619641972198019881996200420122020
Democratic margin
Republican margin

Senate Elections

Senate Results

YearDemocratRepublicanMarginSwing
202254.2%(51,008)45.2%(42,551)D+9.0R+3.6
202054.7%(69,125)42.1%(53,248)D+12.6D+25.6
201641.2%(47,635)54.3%(62,737)R+13.1R+18.9
201451.1%(44,186)45.2%(39,116)D+5.9D+29.2
201037.2%(29,764)60.5%(48,488)R+23.4R+57.3
200866.9%(74,373)33.0%(36,662)D+33.9D+66.3
200432.7%(35,576)65.2%(70,828)R+32.4R+47.4
200256.4%(41,380)41.5%(30,436)D+14.9D+44.8
199834.6%(22,759)64.5%(42,387)R+29.9R+47.1
199658.1%(48,101)40.8%(33,806)D+17.3D+59.5

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

Governor Elections

Governor Results

YearDemocratRepublicanMarginSwing
202250.8%(47,539)45.9%(42,887)D+5.0R+9.0
201855.6%(56,767)41.6%(42,449)D+14.0D+20.5
201445.2%(39,036)51.7%(44,586)R+6.4R+10.8
201050.8%(40,739)46.4%(37,222)D+4.4R+14.2
200658.6%(45,622)39.9%(31,112)D+18.6D+4.3
200255.8%(41,008)41.5%(30,500)D+14.3R+2.0
199857.4%(37,880)41.1%(27,098)D+16.4D+26.0
199444.4%(27,976)54.1%(34,081)R+9.7D+9.0
199040.2%(24,278)58.9%(35,597)R+18.7R+25.5
198653.2%(27,869)46.4%(24,313)D+6.8D+11.2

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

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