Diefenbach Corners leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 97% of adults in Diefenbach Corners typically vote, above the U.S. average of about 62%. Among adults in Diefenbach Corners, ~30% vote Democratic, ~67% Republican, and ~3% don't vote. The map below shows estimated turnout by block group.
How Diefenbach Corners compares
Among cities within 25 miles, Diefenbach Corners leans more Republican than 61 of 105 neighbors.
Diefenbach Corners runs about 36 points more Republican than Wisconsin as a whole.
Why Diefenbach Corners 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 Diefenbach Corners, not a ranked or complete list of what matters most.
Diefenbach Corners votes Republican even though it is densely developed (about 21%, about 15 points below the U.S. average of 36%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 83% of households in Diefenbach Corners are family households, above 94% of cities.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Diefenbach Corners, WI sits in the top tenth nationally on this measure.
Why turnout in Diefenbach Corners looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Diefenbach Corners 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 72%, about 12 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 96% of households in Diefenbach Corners own their home, about 21 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 97% of adults in Diefenbach Corners have completed high school, above 89% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Slinger, WI R+33
- Hartford, WI R+29
- Thompson, WI R+34
- Richfield, WI R+37
- Hubertus, WI R+35
- Cedar Creek, WI R+28
- St. Lawrence, WI R+42
- Saylesville, WI R+42
- Colgate, WI R+36
- Monches, WI R+41
Cities with Similar Populations
- Antler, ND R+64
- Sayersville, VA R+68
- Arneytown, NJ R+33
- Oak Bowery, AL R+20
- Talcville, NY R+40
- Manor Kill, NY R+40
- Mapletown, PA R+51
- Rodeo, NM R+55
- Braggadocio, MO R+67
- Oscar, WV R+64
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.