River Hills, WI Political Map | Democrat & Republican Areas in River Hills

By the BestNeighborhood data science team. Last updated May 2026.

River Hills leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican.

 

About 98% of adults in River Hills typically vote, above the U.S. average of about 62%. Among adults in River Hills, ~59% vote Democratic, ~39% Republican, and ~2% don't vote. The map below shows estimated turnout by block group.

How River Hills compares

Among cities within 25 miles, River Hills leans more Democratic than 57 of 65 neighbors.

River Hills runs about 20 points more Democratic than Wisconsin as a whole. Wisconsin is roughly evenly split, and River Hills sits clearly on the Democratic side.

Politics vary noticeably by neighborhood within River Hills. The south side is the most Democratic-leaning (D+31) and the west side is the least Democratic-leaning (D+14), a spread of about 16 points.

Why River Hills 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 River Hills, not a ranked or complete list of what matters most.

Areas with high college attainment vote Democratic. About 75% of adults in River Hills hold a bachelor's degree, about 47 points above the U.S. average of 28%. Dense areas vote Democratic, and River Hills sits in the top fifth on density (about 67%, above 91% of cities). River Hills runs against the grain of Wisconsin, a Democratic-leaning outlier in a roughly evenly split state.

Paved land cover and Democratic lean

Places with extensive paved surfaces tend to lean Democratic; River Hills, WI sits in the top quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.

Why turnout in River Hills looks the way it does

Areas with strong routine healthcare access turn out at higher rates. River Hills 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 79%, about 19 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 90% of households in River Hills own their home, compared to around 72% in nearby cities. High high-school completion lines up with higher turnout, and about 98% of adults in River Hills have completed high school, above 95% of cities. Learn more about the findings and methodology on the political spectrum map.

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.