Colesville leans heavily Republican by roughly 40 points: about 30% of voters vote Democratic and 70% Republican.
About 80% of adults in Colesville typically vote, above the U.S. average of about 62%. Among adults in Colesville, ~24% vote Democratic, ~56% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How Colesville compares
Among cities within 25 miles, Colesville leans more Republican than 116 of 121 neighbors.
Colesville runs about 45 points more Republican than New Jersey as a whole. New Jersey leans Democratic overall, while Colesville is one of the few Republican-leaning pockets.
Why Colesville 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 Colesville, not a ranked or complete list of what matters most.
Colesville votes against the grain of New Jersey. New Jersey leans Democratic overall, while Colesville runs about 45 points more Republican. A high family-household share predicts Republican voting, and about 83% of households in Colesville are family households, above 94% of cities.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Colesville, NJ sits in the top tenth nationally on this measure.
Why turnout in Colesville looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Colesville 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 70%, about 10 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 95% of households in Colesville own their home, about 20 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Mount Salem, NJ R+42
- Wantage, NJ R+39
- Sussex, NJ R+25
- Montague, NJ R+35
- Westtown, NY R+32
- Logtown, NY R+35
- Port Jervis, NY R+17
- Hainesville, NJ R+39
- Pellettown, NJ R+37
- Matamoras, PA R+17
Cities with Similar Populations
- Ralston, IA R+55
- Highbluff, AL R+71
- Pancoastburg, OH R+66
- Walnut Grove, PA R+57
- Waltz, MI R+31
- Oysterville, WA D+16
- Hodgewood, AL R+80
- Warren, VA R+15
- Holliday Landing, MO R+73
- Isom, TN R+69
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from New Jersey Division of Elections, 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. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.