Burr Oak leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 93% of adults in Burr Oak typically vote, above the U.S. average of about 62%. Among adults in Burr Oak, ~30% vote Democratic, ~63% Republican, and ~7% don't vote. The map below shows estimated turnout by block group.
How Burr Oak compares
Among cities within 25 miles, Burr Oak leans more Republican than 31 of 53 neighbors.
Burr Oak runs about 22 points more Republican than Iowa as a whole.
Why Burr Oak leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Burr Oak. The lean here lands roughly where demographic data alone would predict.
Population density, never-married share, and Republican lean
Places that combine low population density and a never-married-heavy adult population tend to lean Republican, as Burr Oak, IA does.
Why turnout in Burr Oak looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Burr Oak is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 68%, about 8 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Hesper, IA R+37
- Locust, IA R+31
- Mabel, MN R+29
- Highlandville, IA R+35
- Prosper, MN R+36
- Newhouse, MN R+32
- Newburg, MN R+30
- Sattre, IA R+28
- Quandahl, IA R+16
- Riceford, MN R+29
Cities with Similar Populations
- Zurich, KS R+76
- Hornertown, TN R+71
- So-Hi, AZ R+52
- Pritchett, CO R+77
- Pinon, CO R+25
- Kings Canyon National Pk, CA R+55
- Bloomfield, MT R+75
- Fredonia, ND R+75
- Gayler, AR R+64
- Gorum, LA R+58
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.