04220 leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican. These figures are model estimates: Maine 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 84% of adults in 04220 typically vote, above the U.S. average of about 62%. Among adults in 04220, ~27% vote Democratic, ~57% Republican, and ~16% don't vote. The map below shows estimated turnout by block group.
How 04220 compares
Among zip codes within 15 miles, 04220 leans more Republican than 9 of 17 neighbors.
04220 runs about 43 points more Republican than Maine as a whole. Maine leans Democratic overall, while 04220 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 04220. The northwest side is the most Republican-leaning (R+43) and the southeast side is the least Republican-leaning (R+29), a spread of about 13 points.
Why 04220 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 04220, not a ranked or complete list of what matters most.
04220 votes against the grain of Maine. Maine leans Democratic overall, while 04220 runs about 43 points more Republican.
Park access and Republican lean
Places with low park coverage tend to lean Republican; 04220, ME 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 04220 looks the way it does
Homeowners vote more often than renters. About 96% of households in 04220 own their home, about 13 points above the Maine average of 83%. 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 Maine Secretary of State, Bureau of Corporations Elections and Commissions, 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. ME 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.