03816 is a true toss-up. About 49% of voters here vote Democratic and 51% 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 88% of adults in 03816 typically vote, above the U.S. average of about 62%. Among adults in 03816, ~43% vote Democratic, ~45% Republican, and ~12% don't vote. The map below shows estimated turnout by block group.
How 03816 compares
Among zip codes within 15 miles, 03816 sits roughly in the middle of the political spectrum, with 11 neighbors leaning further in the place's direction and 11 leaning the other way.
03816 runs about 5 points more Republican than New Hampshire as a whole.
Politics vary noticeably by block within 03816. The southeast side runs the most Democratic (D+5) and the west side runs the most Republican (R+9), a spread of about 13 points.
Why 03816 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 03816. None of them point strongly toward either party.
Park access and Republican lean
Places with low park coverage tend to lean Republican; 03816, NH sits in the bottom tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 03816 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 03816 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 72%, about 12 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 96% of households in 03816 own their home, about 21 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 96% of adults in 03816 have completed high school, above 80% of zip codes. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes 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.