Rodney leans heavily Republican by roughly 50 points: about 25% of voters vote Democratic and 75% Republican.
About 82% of adults in Rodney typically vote, above the U.S. average of about 62%. Among adults in Rodney, ~21% vote Democratic, ~61% Republican, and ~18% don't vote. The map below shows estimated turnout by block group.
How Rodney compares
Among cities within 25 miles, Rodney leans more Republican than 12 of 32 neighbors.
Rodney runs about 36 points more Republican than Iowa as a whole.
Politics vary noticeably by neighborhood within Rodney. The north side is the most Republican-leaning (R+59) and the east side is the least Republican-leaning (R+47), a spread of about 12 points.
Why Rodney 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 Rodney, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 5% of residents in Rodney live in densely developed areas, about 11 points below the Iowa average of 16%. A high white share with below-average college attainment predicts Republican voting, and Rodney fits that profile on both counts.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Rodney, IA sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Rodney looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Rodney 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 66%, about 6 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Smithland, IA R+58
- Ticonic, IA R+47
- Hornick, IA R+60
- Oto, IA R+59
- Castana, IA R+49
- Mapleton, IA R+49
- Whiting, IA R+48
- Climbing Hill, IA R+60
- Turin, IA R+48
- Sloan, IA R+52
Cities with Similar Populations
- Zion, IA R+50
- Yankton, NE R+73
- Pleasant Union, PA R+73
- Harriettsville, OH R+70
- McKinley, WY R+72
- Capulin, NM R+57
- Smiths Park, SD R+47
- Morgan, OR R+59
- Cooper, IA R+42
- Grainola, OK R+71
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.