Dunn's Marsh is a Democratic stronghold. About 81% of voters here vote Democratic and 19% Republican.
About 59% of adults in Dunn's Marsh typically vote, near the U.S. average of about 62%. Among adults in Dunn's Marsh, ~48% vote Democratic, ~11% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.
How Dunn's Marsh compares
Among neighborhoods within 5 miles, Dunn's Marsh leans more Democratic than 5 of 15 neighbors.
Dunn's Marsh runs about 62 points more Democratic than Wisconsin as a whole. Wisconsin is roughly evenly split, and Dunn's Marsh sits clearly on the Democratic side.
Why Dunn's Marsh 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 Dunn's Marsh, not a ranked or complete list of what matters most.
Dunn's Marsh votes against the grain of Wisconsin. Wisconsin is roughly evenly split, while Dunn's Marsh runs about 62 points more Democratic. A high never-married share predicts Democratic voting, and about 52% of adults in Dunn's Marsh have never been married, above 84% of neighborhoods.
Park access and Democratic lean
Places with heavy park coverage tend to lean Democratic; Dunn's Marsh, Madison, WI sits in the top quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Dunn's Marsh looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Dunn's Marsh is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 65% of households in Dunn's Marsh rent, compared to around 40% in nearby neighborhoods. Crowded housing lines up with lower turnout, and about 9% of homes in Dunn's Marsh have more than one occupant per room, above 90% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Meadowood, Madison, WI D+62
- Midvale Heights, Madison, WI D+76
- Prairie Hills, Madison, WI D+64
- Stone Meadows, Madison, WI D+52
- Dudgeon-Monroe, Madison, WI D+87
- Hill Farms-University Neighborh, Madison, WI D+81
- Sunset Village, Madison, WI D+84
- Westhaven Trails, Madison, WI D+65
- Regent, Madison, WI D+75
- Greenbush, Madison, WI D+71
Neighborhoods with Similar Populations
- Fairmeadow, Munster, IN D+6
- Sidney Walnut Avenue Historic District, Sidney, OH R+37
- Wheeling Avenue Historic District, Cambridge, OH R+29
- Central, San Angelo, TX R+30
- Little Italy, Erie, PA D+30
- Breezy Point, Queens, NY R+36
- East Hill, Eau Claire, WI D+30
- Shafter, Oakland, CA D+87
- Northside, Pueblo, CO D+17
- Mullford Gardens, San Leandro, CA D+32
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.