Keokuk County leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 91% of adults in Keokuk County typically vote, above the U.S. average of about 62%. Among adults in Keokuk County, ~25% vote Democratic, ~66% Republican, and ~9% don't vote. The map below shows estimated turnout by block group.
How Keokuk County compares
Among counties within 50 miles, Keokuk County leans more Republican than 11 of 13 neighbors.
Keokuk County runs about 34 points more Republican than Iowa as a whole.
Politics vary noticeably by city within Keokuk County. The south side is the most Republican-leaning (R+53) and the east side is the least Republican-leaning (R+40), a spread of about 13 points.
Why Keokuk 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 Keokuk 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 Keokuk County, about 95% of residents are non-Hispanic white, about 23 points above the U.S. average of 72%; about 17% of adults hold a bachelor's degree, about 7 points below the Iowa average of 24%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Keokuk County, IA sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Keokuk County looks the way it does
Homeowners vote more often than renters. About 81% of households in Keokuk County own their home, about 6 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 95% of adults in Keokuk County have completed high school, above 88% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Jefferson County, IA R+4
- Mahaska County, IA R+38
- Wapello County, IA R+26
- Washington County, IA R+33
- Iowa County, IA R+38
- Poweshiek County, IA R+19
- Monroe County, IA R+43
- Johnson County, IA D+36
- Davis County, IA R+59
- Henry County, IA R+31
Counties with Similar Populations
- Lewis County, MO R+59
- Marshall County, KS R+53
- Nome Census Area, AK D+23
- Perry County, AR R+62
- Franklin County, IA R+43
- Madison Parish, LA D+6
- Ochiltree County, TX R+58
- Carroll County, MS R+40
- Jackson County, MN R+42
- Yuma County, CO R+60
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.