Madison, NH Political Map | Democrat & Republican Areas in Madison

Madison is a true toss-up. About 48% of voters here vote Democratic and 52% Republican. These figures are model estimates: New Hampshire did not have precinct-level voting records available for training, so the numbers above come from demographic and health features rather than local ground truth.

 
Madison, NH block-group political-lean map
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About 96% of adults in Madison typically vote, above the U.S. average of about 62%. Among adults in Madison, ~46% vote Democratic, ~50% Republican, and ~4% don't vote. The map below shows estimated turnout by block group.

Madison, NH block-group voter-turnout map
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How Madison compares

Among cities within 25 miles, Madison leans more Republican than 34 of 82 neighbors.

Madison runs about 6 points more Republican than New Hampshire as a whole.

Why Madison leans the way it does

Density, race composition, education, and family structure all sit close to their national averages in Madison. None of them point strongly toward either party.

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Madison, NH sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Madison looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Madison 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 70%, about 10 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 93% of households in Madison own their home, about 18 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 99% of adults in Madison have completed high school, above 97% of cities. Learn more about the findings and methodology on the political spectrum map.

Cities with Similar Populations

Sources and methodology

Precinct-level voting records used to fit the model come from New Hampshire Secretary of State, Elections Division, 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. NH did not have precinct-level voting records available for training, so the figures here come from extrapolation across demographic, health, and land-use features rather than local ground truth. Full methodology and findings: political spectrum map.

Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.