Charlestown leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% 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 80% of adults in Charlestown typically vote, above the U.S. average of about 62%. Among adults in Charlestown, ~27% vote Democratic, ~53% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How Charlestown compares
Among cities within 25 miles, Charlestown is the most Republican-leaning.
Charlestown runs about 35 points more Republican than New Hampshire as a whole. New Hampshire is roughly evenly split, and Charlestown sits clearly on the Republican side.
Why Charlestown 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 Charlestown, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 13% of adults in Charlestown hold a bachelor's degree, about 25 points below the New Hampshire average of 38%. Charlestown runs against the grain of New Hampshire, a Republican-leaning outlier in a roughly evenly split state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Charlestown, NH sits in the top quarter nationally on this measure.
Why turnout in Charlestown looks the way it does
Areas with high high-school completion turn out at higher rates. About 96% of adults in Charlestown have completed high school, about 7 points above the U.S. average of 90%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Hemlock Center, NH R+30
- Quaker City, NH R+29
- Springfield, VT R+9
- Acworth, NH R+27
- Langdon, NH R+27
- Bartonsville, VT D+2
- West Unity, NH R+31
- South Charlestown, NH R+30
- Weathersfield Bow, VT Even
Cities with Similar Populations
- Bloomfield, IA R+56
- West Pleasant View, CO D+19
- Albia, IA R+40
- Carmichaels, PA R+42
- Stratford, WI R+40
- Woodbridge, CA R+23
- Eubank, KY R+71
- Emerson, GA R+54
- Woodruff, WI R+23
- Amelia Court House, VA R+39
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.