Scott County, Iowa: Industrial Catholic Metro county. In 2024, voted R+4%. Republican peak: R+46 in 1924.
Key facts
- 2024 presidential margin
- R+4MIT Election Lab
- Political typology
- Industrial Catholic MetroAkashic typology
- Population
- 174,6082024 5-year
- Median household income
- $78,2772024 5-year
- White (non-Hispanic)
- 79.1%2024 5-year
- Black
- 7.2%2024 5-year
- Hispanic / Latino
- 7.4%2024 5-year
- Peak Democratic margin
- D+34 in 1892MIT Election Lab
- Peak Republican margin
- R+46 in 1924MIT Election Lab
- Most similar
- Big Horn County, MT · similarity 0.97
2024 results by precinct
2024 precinct map of Scott CountyPrecinct-level 2024 presidential results for Scott County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | +34.4% |
| 1896 | −21.8% |
| 1900 | −9.6% |
| 1904 | −14.2% |
| 1908 | −7.4% |
| 1912 | +29.7% |
| 1916 | −21.1% |
| 1920 | −38.9% |
| 1924 | −46.0% |
| 1928 | −13.4% |
| 1932 | +8.2% |
| 1936 | +23.6% |
| 1940 | +6.3% |
| 1944 | +2.6% |
| 1948 | −0.5% |
| 1952 | −24.8% |
| 1956 | −19.1% |
| 1960 | −9.1% |
| 1964 | +23.6% |
| 1968 | −2.2% |
| 1972 | −17.4% |
| 1976 | −8.0% |
| 1980 | −12.2% |
| 1984 | −7.7% |
| 1988 | +5.1% |
| 1992 | +6.6% |
| 1996 | +9.1% |
| 2000 | +4.3% |
| 2004 | +2.6% |
| 2008 | +14.5% |
| 2012 | +13.7% |
| 2016 | +1.5% |
| 2020 | +3.5% |
| 2024 | −3.9% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 42,479 | 45,976 | 90,133 | ||
| D | 46,926 | 43,683 | 92,599 | ||
| D | 40,440 | 39,149 | 87,286 | ||
| D | 50,652 | 38,251 | 90,263 | ||
| D | 48,927 | 36,365 | 86,371 | ||
| D | 42,122 | 39,958 | 82,722 | ||
| D | 35,857 | 32,801 | 70,568 | ||
| D | 32,694 | 26,751 | 65,202 | ||
| D | 33,765 | 28,844 | 74,662 | ||
| D | 34,415 | 31,025 | 66,035 | ||
| R | 32,550 | 38,034 | 71,212 | ||
| R | 26,391 | 34,701 | 67,926 | ||
| R | 29,771 | 35,021 | 65,940 | ||
| R | 23,810 | 34,135 | 59,455 | ||
| R | 24,596 | 25,783 | 55,018 | ||
| D | 31,526 | 19,488 | 51,098 | ||
| R | 23,004 | 27,617 | 50,671 | ||
| R | 18,969 | 27,965 | 47,104 | ||
| R | 17,807 | 29,719 | 48,026 | ||
| R | 16,661 | 16,842 | 34,081 | ||
| D | 18,962 | 18,015 | 37,081 | ||
| D | 20,996 | 18,504 | 39,630 | ||
| D | 20,737 | 12,691 | 34,145 | ||
| D | 16,887 | 14,218 | 32,455 | ||
| R | 12,942 | 16,974 | 30,058 | ||
| R | 4,347 | 18,360 | 30,438 | ||
| R | 5,473 | 16,233 | 27,631 | ||
| R | 5,212 | 8,329 | 14,770 | ||
| O | 5,632 | 1,568 | 13,679 | ||
| R | 5,845 | 6,845 | 13,489 | ||
| R | 4,931 | 6,789 | 13,066 | ||
| R | 5,157 | 6,327 | 12,155 | ||
| R | 4,032 | 6,419 | 10,930 | ||
| D | 6,205 | 2,999 | 9,328 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
30.7%
Irish
15.4%
English
10.4%
American
3.3%
Italian
2.4%
Polish
2.0%
Scottish
1.8%
African American
5.8%
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
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.
2024 ACS
Age distribution by sex
Median age: 39.4 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$78,277
Scott County ranks in the top 25% of US counties.
Scott County$78,277
Iowa$75,059
United States$80,734
Scott County ranks in the top 25% of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
11.5%
Child poverty is below the national average.
Children under 1813.3%
Working age (18–64)11.1%
Seniors (65+)9.3%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
93.0%
speak English only
Spanish2.8%
Asian & Pacific Islander1.9%
Other Indo-European1.5%
Other languages0.8%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 60.5% of residents not counted as adherents by any reporting body.
Home to Davenport and anchoring Iowa's Quad Cities metro, Scott County shifted from a reliable Democratic stronghold to an R+3.9 result in 2024, tracking a broader blue-collar realignment along the upper Mississippi corridor.
Its margins are typically close. The Democratic margin reached thirty-four points in 1892; the Republican margin reached forty-six points in 1924. Between 2020 and 2024 the county moved seven points toward the Republican candidate; the 2024 margin was four points.
Its demographics sit near national norms: a 79% non-Hispanic-white share, a median household income of $78,277, and a 12% poverty rate. The county's voting pattern over the last decade is most similar to that of Big Horn County and Erie County.
Most similar counties
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.
Scott County, Iowa. Akashic. https://akashic.app/county/19163/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More industrial catholic metro counties
Frequently asked questions
How did Scott County, Iowa vote in 2024?
In 2024, Scott County, Iowa voted Republican by 3.9 points (R+4), carried by the Republican candidate. Out of 90,133 votes cast, 42,479 went Democratic and 45,976 went Republican.
What is Scott County, Iowa's political typology?
Akashic places Scott County, Iowa in the "Industrial Catholic Metro" typology — Mid-size industrial metros with Catholic ethnic roots — among the most competitive, swing-prone ground in the country. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 15 times, Republican 18 times, and other 1 times.
When did Scott County, Iowa last vote Democratic?
The most recent presidential election in which Scott County, Iowa voted Democratic was 2020.
How many people live in Scott County, Iowa?
Scott County, Iowa has a population of 174,608 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Scott County, Iowa?
Median household income in Scott County, Iowa is $78,277 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Scott County, Iowa?
Akashic tracks 38 presidential elections in Scott County, Iowa from 1876 to 2024. Of those, 15 went Democratic and 18 went Republican. The county's typology — "Industrial Catholic Metro" — captures where that record, its demographics, and its recent swing place it among American communities.