North Columbia leans heavily Democratic by roughly 32 points: about 66% of voters vote Democratic and 34% Republican.
About 65% of adults in North Columbia typically vote, near the U.S. average of about 62%. Among adults in North Columbia, ~43% vote Democratic, ~22% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How North Columbia compares
Among cities within 25 miles, North Columbia leans more Democratic than 44 of 45 neighbors.
North Columbia runs about 12 points more Democratic than California as a whole.
Why North Columbia 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 North Columbia, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 34% of adults in North Columbia hold a bachelor's degree, about 5 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 37% of adults in North Columbia have never been married, above 90% of cities.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; North Columbia, CA sits in the bottom quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in North Columbia looks the way it does
Turnout in North Columbia 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
- North San Juan, CA D+7
- Nevada City, CA D+24
- Sweetland, CA D+14
- Camptonville, CA R+10
- Pike, CA R+10
- Washington, CA D+10
- Rough And Ready, CA R+7
- Dobbins, CA R+15
- Alleghany, CA R+6
Cities with Similar Populations
- Springton, WV R+69
- Maskell, NE R+62
- Stairtown, TX R+49
- Howell, TN R+70
- Oliver, AR R+66
- Lakeside Village, VA R+40
- Odin, PA R+67
- Mayesburg, MO R+67
- Smithwick, SD R+69
- Carr Mill, AL R+73
Sources and methodology
Precinct-level voting records used to fit the model come from California Secretary of State, 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.