Casco leans slightly Republican by roughly 8 points: about 46% of voters vote Democratic and 54% 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 83% of adults in Casco typically vote, above the U.S. average of about 62%. Among adults in Casco, ~38% vote Democratic, ~45% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Casco compares
Among cities within 25 miles, Casco leans more Republican than 28 of 93 neighbors.
Casco runs about 16 points more Republican than Maine as a whole. Maine leans Democratic overall, while Casco is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Casco. The southeast side is the most split-leaning (R+14) and the northeast side is the least split-leaning (Even), a spread of about 13 points.
Why Casco 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 Casco, not a ranked or complete list of what matters most.
Casco votes against the grain of Maine. Maine leans Democratic overall, while Casco runs about 16 points more Republican.
Food insecurity and voter turnout
Places with low food insecurity tend to turn out at a higher rate; Casco, ME sits in the bottom quarter nationally on this measure. Food insecurity does not directly drive turnout; it reflects economic hardship, which lines up with lower voting.
Why turnout in Casco looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Casco 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 68%, about 8 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Pike Corner, ME R+5
- South Casco, ME D+3
- Crescent Lake, ME D+3
- Naples, ME R+3
- Raymond, ME D+15
- West Poland, ME R+31
- North Sebago, ME R+26
- Scribners Mill, ME R+8
- South Bridgton, ME R+15
- East Otisfield, ME R+25
Cities with Similar Populations
- Gramercy, LA R+9
- Farmingdale, ME D+10
- Delanson, NY R+25
- Warrenton, GA D+25
- Bloomsbury, NJ R+20
- Middleport, OH R+48
- Big Lake, TX R+54
- Port Washington North, NY D+16
- Fairfax, SC D+38
- New London, IA R+35
All Local Stats
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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.