Davis County is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 74% of adults in Davis County typically vote, above the U.S. average of about 62%. Among adults in Davis County, ~15% vote Democratic, ~59% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How Davis County compares
Among counties within 50 miles, Davis County leans more Republican than 10 of 15 neighbors.
Davis County runs about 46 points more Republican than Iowa as a whole.
Why Davis County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Davis County, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In Davis County, about 94% of residents are non-Hispanic white, about 21 points above the U.S. average of 72%; about 16% of adults hold a bachelor's degree, about 8 points below the Iowa average of 24%. Rural areas vote Republican, and Davis County sits in the bottom quarter on density (about 11%, below 80% of counties). A high family-household share predicts Republican voting, and about 77% of households in Davis County are family households, above 97% of counties.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Davis County, IA sits below the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Davis County looks the way it does
Homeowners vote more often than renters. About 85% of households in Davis County own their home, about 10 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Wapello County, IA R+26
- Schuyler County, MO R+67
- Appanoose County, IA R+43
- Van Buren County, IA R+55
- Scotland County, MO R+64
- Monroe County, IA R+43
- Jefferson County, IA R+4
- Putnam County, MO R+68
- Mahaska County, IA R+38
- Adair County, MO R+21
Counties with Similar Populations
- Stephens County, TX R+68
- Hancock County, KY R+52
- Claiborne County, MS D+61
- White Pine County, NV R+60
- Seminole County, GA R+30
- McLean County, KY R+58
- Montmorency County, MI R+42
- Pratt County, KS R+53
- Jones County, NC R+24
- Forest County, WI R+33
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Iowa Secretary of State, Elections, distributed by the Voting and Election Science Team. Demographic inputs come from the U.S. Census Bureau (ACS 5-year estimates and the 2020 Decennial Census). Health and environmental inputs come from the CDC (PLACES and the Environmental Justice Index). Land cover comes from the USGS and EPA. Election-day and lead-up weather come from PRISM 4km daily grids and the NOAA Global Historical Climatology Network. Mail-voting and election-administration patterns come from the MIT Election Lab's Survey of the Performance of American Elections. Block-group crime detail comes from CrimeGrade. Internet data and modeling support provided by ISPreports.org.
Modeling and analysis by the BestNeighborhood data science team. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.