Johnson County, Iowa: null
Iowa · Presidential Elections 1892–2024
D+37.8
2024 Margin
R+5.4%
2020→2024 Swing
D since 1964
Voting Streak
Classification
153K
Population
Johnson County, Iowa voted D+37.8 for Kamala Harris in 2024, with Harris receiving 58,846 votes (67.92%). This represented a R+5.4% swing toward Republicans compared to 2020. The county has voted Democratic in every presidential election since 1964.
Electoral Behavior
Volatility
2.4
Elasticity
Highly elastic
Trend
+0.3/yr
Quick Stats
2024 ResultD+37.8
2020→2024 SwingR+5.4%
Voting StreakD since 1964
Elections on Record34
Demographics
Population152,854
Median Age
30.6(US: 38.4)
College (BA+)
78.6%(US: 47.9%)
Median Income
$72,977(US: $78k)
White (non-Hisp)
75.5%(US: 57.5%)
Hispanic
6.7%(US: 18.6%)
Black
8.4%(US: 12.3%)
Asian
6.2%(US: 5.7%)
Homeownership
58.8%(US: 64.2%)
Poverty Rate
16.7%(US: 12.4%)
Veterans
3.9%(US: 6.4%)
Presidential Elections
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 67.9%(58,846) | 30.1%(26,087) | D+37.8 | -5.4 |
| 2020 | 70.6%(59,177) | 27.3%(22,925) | D+43.2 | +5.6 |
| 2016 | 64.8%(50,200) | 27.2%(21,044) | D+37.6 | +2.1 |
| 2012 | 66.7%(50,666) | 31.2%(23,698) | D+35.5 | -6.0 |
| 2008 | 69.9%(51,027) | 28.4%(20,732) | D+41.5 | +12.2 |
| 2004 | 64.0%(41,847) | 34.8%(22,715) | D+29.3 | +4.1 |
| 2000 | 59.1%(31,174) | 33.9%(17,899) | D+25.2 | -6.5 |
| 1996 | 61.0%(27,888) | 29.3%(13,402) | D+31.7 | +3.4 |
| 1992 | 55.4%(28,656) | 27.1%(14,041) | D+28.2 | -1.6 |
| 1988 | 64.4%(28,759) | 34.6%(15,453) | D+29.8 | +13.5 |
Senate Elections
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 70.9%(45,416) | 28.5%(18,245) | D+42.4 | +2.1 |
| 2020 | 69.1%(57,063) | 28.8%(23,773) | D+40.3 | +21.9 |
| 2016 | 57.1%(42,699) | 38.6%(28,914) | D+18.4 | -14.7 |
| 2014 | 65.0%(34,103) | 31.9%(16,749) | D+33.1 | +29.8 |
| 2010 | 50.4%(26,047) | 47.1%(24,347) | D+3.3 | -46.7 |
| 2008 | 74.9%(52,741) | 24.9%(17,537) | D+50.0 | +59.1 |
| 2004 | 43.3%(27,509) | 52.4%(33,301) | R+9.1 | -41.9 |
| 2002 | 64.6%(24,965) | 31.9%(12,315) | D+32.8 | +41.0 |
| 1998 | 45.1%(15,138) | 53.3%(17,901) | R+8.2 | -43.6 |
| 1996 | 66.5%(30,208) | 31.1%(14,140) | D+35.4 | +55.3 |
Governor Elections
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 68.7%(43,686) | 28.9%(18,413) | D+39.7 | -5.3 |
| 2018 | 71.6%(48,758) | 26.6%(18,119) | D+45.0 | +24.1 |
| 2014 | 58.7%(30,684) | 37.9%(19,775) | D+20.9 | -6.0 |
| 2010 | 61.6%(31,862) | 34.7%(17,967) | D+26.9 | -12.0 |
| 2006 | 68.3%(30,083) | 29.4%(12,948) | D+38.9 | +8.1 |
| 2002 | 62.9%(24,278) | 32.0%(12,377) | D+30.8 | -4.4 |
| 1998 | 66.9%(22,546) | 31.6%(10,666) | D+35.2 | +14.4 |
| 1994 | 59.4%(20,180) | 38.5%(13,093) | D+20.9 | +19.3 |
| 1990 | 50.0%(16,196) | 48.5%(15,687) | D+1.6 | -16.7 |
| 1986 | 58.9%(15,503) | 40.6%(10,700) | D+18.2 | 0.0 |
Primary Election History
| Year | Party | Winner | Runner-up | Nominee? |
|---|---|---|---|---|
| 2024 | GOP | Nikki Haley(35.5%) | Donald Trump(35.5%) | ✗ |
| 2020 | Dem | Bernie Sanders(29.3%) | Elizabeth Warren(27.5%) | ✗ |
| 2016 | Dem | Bernie Sanders(59.5%) | Hillary Clinton(40.2%) | ✗ |
| 2008 | Dem | Barack Obama(52.3%) | John Edwards(24.0%) | ✓ |
✓ = County picked eventual party nominee