Iduna leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 69% of adults in Iduna typically vote, above the U.S. average of about 62%. Among adults in Iduna, ~23% vote Democratic, ~46% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Iduna compares
Among cities within 25 miles, Iduna leans more Republican than 41 of 52 neighbors.
Iduna runs about 31 points more Republican than Wisconsin as a whole.
Why Iduna 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 Iduna, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 87% of residents in Iduna drive to work alone, about 13 points above the U.S. average of 74%. A high white share with below-average college attainment predicts Republican voting, and Iduna fits that profile on both counts.
Population density and Republican lean
Places with low population density tend to lean Republican; Iduna, WI sits in the bottom quarter nationally on this measure.
Why turnout in Iduna looks the way it does
Homeowners vote more often than renters. About 91% of households in Iduna own their home, about 11 points above the Wisconsin average of 80%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Ettrick, WI R+27
- Frenchville, WI R+25
- Hegg, WI R+25
- Tamarack, WI R+22
- Blair, WI R+29
- Arcadia, WI R+20
- Galesville, WI R+23
- Dodge, WI R+27
- Taylor, WI R+33
- Whitehall, WI R+26
Cities with Similar Populations
- Zumbro, MS Even
- Willmathsville, MO R+66
- Coveville, PA R+4
- North Plato, IL R+23
- Canfield, WV R+61
- Lone Cedar, TX R+72
- Farrell, MS R+39
- Rose, NE R+79
- Oakland Mills, PA R+65
- Prairie Hill, TX R+58
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Wisconsin Elections Commission, 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.