Spring Valley leans Republican by roughly 30 points: about 35% of voters vote Democratic and 65% Republican.
About 80% of adults in Spring Valley typically vote, above the U.S. average of about 62%. Among adults in Spring Valley, ~28% vote Democratic, ~52% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How Spring Valley compares
Among cities within 25 miles, Spring Valley leans more Republican than 17 of 54 neighbors.
Spring Valley runs about 29 points more Republican than Wisconsin as a whole.
Politics vary noticeably by neighborhood within Spring Valley. The southeast side is the most Republican-leaning (R+35) and the north side is the least Republican-leaning (R+25), a spread of about 10 points.
Why Spring Valley leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Spring Valley. The lean here lands roughly where demographic data alone would predict.
High-school completion and voter turnout
Places with high-school-completion-heavy adults tend to turn out at a higher rate; Spring Valley, WI sits in the top tenth nationally on this measure.
Why turnout in Spring Valley looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Spring Valley 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 69%, about 9 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in Spring Valley have completed high school, above 92% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Olivet, WI R+32
- El Paso, WI R+30
- Woodville, WI R+35
- Hatchville, WI R+37
- Waverly, WI R+39
- Elmwood, WI R+31
- Wilson, WI R+42
- Rock Elm, WI R+35
- East Ellsworth, WI R+39
- Beldenville, WI R+31
Cities with Similar Populations
- Jane Lew, WV R+60
- Milan, MO R+42
- Adrian, MO R+60
- Kapaau, HI D+26
- Vermontville, MI R+43
- Volcano, HI D+31
- Lansing, NC R+54
- Orrtanna, PA R+43
- Campton, NH D+12
- Nauvoo, AL R+86
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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.