South Barnstead leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% 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 89% of adults in South Barnstead typically vote, above the U.S. average of about 62%. Among adults in South Barnstead, ~35% vote Democratic, ~54% Republican, and ~11% don't vote. The map below shows estimated turnout by block group.
How South Barnstead compares
Among cities within 25 miles, South Barnstead leans more Republican than 81 of 97 neighbors.
South Barnstead runs about 25 points more Republican than New Hampshire as a whole. New Hampshire is roughly evenly split, and South Barnstead sits clearly on the Republican side.
Why South Barnstead 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 South Barnstead, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 82% of households in South Barnstead are family households, about 16 points above the U.S. average of 67%. South Barnstead runs against the grain of New Hampshire, a Republican-leaning outlier in a roughly evenly split state.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; South Barnstead, 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 South Barnstead looks the way it does
Homeowners vote more often than renters. About 91% of households in South Barnstead own their home, about 9 points above the New Hampshire average of 82%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Barnstead, NH R+25
- Center Barnstead, NH R+25
- Strafford, NH R+18
- Pittsfield, NH R+19
- Center Strafford, NH R+20
- Farmington, NH R+24
- Alton, NH R+22
- Northwood, NH R+8
- New Durham, NH R+25
- Gilmanton Iron Works, NH R+10
Cities with Similar Populations
- Glenray, WV R+51
- Saxe, VA R+30
- West College Corner, IN R+59
- Midway, IN R+50
- Callands, VA R+37
- Fenwick Hills, SC Even
- Walnut, IA R+43
- Quartz, CA R+32
- Olga, WA D+58
- Glenwood, NY R+33
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.