Red Oak, IA Political Map | Democrat & Republican Areas in Red Oak

By the BestNeighborhood data science team. Last updated May 2026.

Red Oak leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.

 

About 93% of adults in Red Oak typically vote, above the U.S. average of about 62%. Among adults in Red Oak, ~30% vote Democratic, ~63% Republican, and ~7% don't vote. The map below shows estimated turnout by block group.

How Red Oak compares

Among cities within 25 miles, Red Oak leans more Republican than 3 of 36 neighbors.

Red Oak runs about 24 points more Republican than Iowa as a whole.

Politics vary noticeably by neighborhood within Red Oak. The southeast side is the most Republican-leaning (R+47) and the north side is the least Republican-leaning (R+31), a spread of about 15 points.

Why Red Oak leans the way it does

This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Red Oak, not a ranked or complete list of what matters most.

Red Oak votes Republican even though it is densely developed (about 44%, well above the Iowa average of 16%). State and regional patterns outweigh the Democratic lean that density usually predicts here.

Paved land cover and Democratic lean

Places with extensive paved surfaces tend to lean Democratic; Red Oak, IA sits in the top quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.

Why turnout in Red Oak looks the way it does

Turnout in Red Oak sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.

All Local Stats

Home Services

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.