Caribou leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% 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 77% of adults in Caribou typically vote, above the U.S. average of about 62%. Among adults in Caribou, ~30% vote Democratic, ~47% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How Caribou compares
Among cities within 25 miles, Caribou leans more Republican than 1 of 30 neighbors.
Caribou runs about 28 points more Republican than Maine as a whole. Maine leans Democratic overall, while Caribou is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Caribou. The south side is the most Republican-leaning (R+31) and the north side is the least Republican-leaning (R+3), a spread of about 28 points.
Why Caribou 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 Caribou, not a ranked or complete list of what matters most.
Caribou votes against the grain of Maine. Maine leans Democratic overall, while Caribou runs about 28 points more Republican.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Caribou, ME sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Caribou looks the way it does
Turnout in Caribou sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Colby, ME R+41
- North Wade, ME R+41
- Morris Corner, ME R+25
- New Sweden, ME R+36
- North Lyndon, ME R+38
- Goodrich, ME R+32
- Washburn, ME R+41
- Limestone, ME R+28
- Four Corners, ME R+29
- Sweden, ME R+38
Cities with Similar Populations
- Thornville, OH R+47
- Fort Belvoir, VA D+21
- Woodbury, TN R+68
- Sturgis, SD R+42
- Thermalito, CA R+25
- Bath, MI R+4
- Forest Hill, MD R+33
- Campbell, OH D+19
- Hartford City, IN R+45
- Smiths, AL R+41
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.