Osage leans Republican by roughly 28 points: about 36% of voters vote Democratic and 64% Republican.
About more than 99% of adults in Osage typically vote, above the U.S. average of about 62%. Among adults in Osage, ~39% vote Democratic, ~70% Republican, and ~-9% don't vote. The map below shows estimated turnout by block group.
How Osage compares
Among cities within 25 miles, Osage leans more Republican than 3 of 48 neighbors.
Osage runs about 15 points more Republican than Iowa as a whole.
Politics vary noticeably by neighborhood within Osage. The northwest side is the most Republican-leaning (R+41) and the south side is the least Republican-leaning (R+25), a spread of about 16 points.
Why Osage 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 Osage, not a ranked or complete list of what matters most.
Osage votes Republican even though it is densely developed (about 37%, well above the Iowa average of 16%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Food insecurity and voter turnout
Places with low food insecurity tend to turn out at a higher rate; Osage, IA sits in the bottom quarter nationally on this measure. Food insecurity does not directly drive turnout; it reflects economic hardship, which lines up with lower voting.
Why turnout in Osage looks the way it does
Turnout in Osage 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.
Nearby Cities
- Mitchell, IA R+42
- Rock Creek, IA R+41
- Orchard, IA R+48
- Toeterville, IA R+42
- Little Cedar, IA R+49
- St. Ansgar, IA R+34
- New Haven, IA R+49
- Floyd, IA R+44
- Stacyville, IA R+47
- Rudd, IA R+42
Cities with Similar Populations
- Brillion, WI R+38
- Crystal City, MO R+38
- Jermyn, PA R+13
- Robbins, IL D+77
- Woodlyn, PA D+17
- Mascot, TN R+59
- Pearcy, AR R+57
- Akron, PA R+22
- Benton, TN R+71
- Roaring Spring, PA R+56
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.