Columbia County leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 72% of adults in Columbia County typically vote, above the U.S. average of about 62%. Among adults in Columbia County, ~20% vote Democratic, ~52% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Columbia County compares
Among counties within 50 miles, Columbia County leans more Republican than 2 of 10 neighbors.
Columbia County runs about 31 points more Republican than Florida as a whole.
Politics vary noticeably by city within Columbia County. The north side runs the most Democratic (Even) and the southeast side runs the most Republican (R+59), a spread of about 60 points.
Why Columbia County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Columbia County, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 17% of adults in Columbia County hold a bachelor's degree, about 14 points below the Florida average of 31%.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Columbia County, FL sits in the bottom quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Columbia County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Columbia County is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Union County, FL R+61
- Suwannee County, FL R+58
- Gilchrist County, FL R+68
- Baker County, FL R+61
- Lafayette County, FL R+65
- Hamilton County, FL R+24
- Bradford County, FL R+50
- Alachua County, FL D+22
- Dixie County, FL R+67
- Echols County, GA R+66
Counties with Similar Populations
- Ward County, ND R+32
- Iberia Parish, LA R+24
- Troup County, GA R+11
- Klamath County, OR R+33
- Greenwood County, SC R+18
- York County, VA R+3
- Greene County, TN R+62
- Blue Earth County, MN R+6
- Portage County, WI R+7
- Harrison County, TX R+39
Sources and methodology
Precinct-level voting records used to fit the model come from Florida 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.