Sherman, Madison, WI Political Map | Democrat & Republican Areas in Sherman

Sherman is a Democratic stronghold. About 85% of voters here vote Democratic and 15% Republican.

 
Sherman, Madison, WI block-group political-lean map
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About 83% of adults in Sherman typically vote, above the U.S. average of about 62%. Among adults in Sherman, ~70% vote Democratic, ~13% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.

Sherman, Madison, WI block-group voter-turnout map
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How Sherman compares

Among neighborhoods within 5 miles, Sherman leans more Democratic than 8 of 14 neighbors.

Sherman runs about 72 points more Democratic than Wisconsin as a whole. Wisconsin is roughly evenly split, and Sherman sits clearly on the Democratic side.

Politics vary noticeably by block within Sherman. The southwest side is the most Democratic-leaning (D+79) and the northwest side is the least Democratic-leaning (D+65), a spread of about 14 points.

Why Sherman leans the way it does

This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Sherman, not a ranked or complete list of what matters most.

Sherman votes against the grain of Wisconsin. Wisconsin is roughly evenly split, while Sherman runs about 72 points more Democratic. A high never-married share predicts Democratic voting, and about 53% of adults in Sherman have never been married, above 86% of neighborhoods.

Population density and Democratic lean

Places with high population density tend to lean Democratic; Sherman, Madison, WI sits in the top quarter nationally on this measure.

Why turnout in Sherman looks the way it does

Turnout in Sherman sits close to the national pattern. 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.