Winchester leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% 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.
About 75% of adults in Winchester typically vote, above the U.S. average of about 62%. Among adults in Winchester, ~29% vote Democratic, ~46% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Winchester compares
Among cities within 25 miles, Winchester leans more Republican than 105 of 107 neighbors.
Winchester runs about 26 points more Republican than New Hampshire as a whole. New Hampshire is roughly evenly split, and Winchester sits clearly on the Republican side.
Why Winchester 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 Winchester, not a ranked or complete list of what matters most.
Winchester votes against the grain of New Hampshire. New Hampshire is roughly evenly split, while Winchester runs about 26 points more Republican.
Park access and Democratic lean
Places with heavy park coverage tend to lean Democratic; Winchester, NH 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 Winchester looks the way it does
Turnout in Winchester sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Westport, NH R+18
- Ashuelot, NH R+24
- Scotland, NH R+16
- Richmond, NH R+4
- Hinsdale, NH R+20
- West Swanzey, NH R+11
- Vernon, VT D+4
- Swanzey, NH R+16
- Warwick, MA D+5
- Chesterfield, NH D+3
Cities with Similar Populations
- Pemberville, OH R+36
- Arcadia, IN R+42
- Unionville, MO R+66
- Bridgeport, WA R+4
- Clinton Corners, NY D+6
- Hyde Park, VT R+12
- Little River, TX R+57
- Monmouth, ME R+21
- Harpursville, NY R+44
- Lexington, IL R+40
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.