03450 leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% 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 96% of adults in 03450 typically vote, above the U.S. average of about 62%. Among adults in 03450, ~55% vote Democratic, ~41% Republican, and ~4% don't vote. The map below shows estimated turnout by block group.
How 03450 compares
Among zip codes within 15 miles, 03450 leans more Democratic than 17 of 21 neighbors.
03450 runs about 11 points more Democratic than New Hampshire as a whole.
Why 03450 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 03450, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 54% of adults in 03450 hold a bachelor's degree, about 26 points above the U.S. average of 28%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 03450, NH sits in the top tenth 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 03450 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 03450 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 73%, about 13 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 94% of households in 03450 own their home, compared to around 73% in nearby zip codes. High high-school completion lines up with higher turnout, and about 96% of adults in 03450 have completed high school, above 85% 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.