Del Norte County leans slightly Republican by roughly 14 points: about 43% of voters vote Democratic and 57% Republican.
About 62% of adults in Del Norte County typically vote, near the U.S. average of about 62%. Among adults in Del Norte County, ~27% vote Democratic, ~35% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How Del Norte County compares
Del Norte County runs about 35 points more Republican than California as a whole. California leans Democratic overall, while Del Norte County is one of the few Republican-leaning pockets.
Politics vary noticeably by city within Del Norte County. The southwest side runs the most Democratic (D+3) and the south side runs the most Republican (R+23), a spread of about 26 points.
Why Del Norte 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 Del Norte County, not a ranked or complete list of what matters most.
Del Norte County votes against the grain of California. California leans Democratic overall, while Del Norte County runs about 35 points more Republican. A high family-household share predicts Republican voting, and about 70% of households in Del Norte County are family households, above 79% of counties.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Del Norte County, CA sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Del Norte County looks the way it does
Crowded housing lines up with lower turnout. About 3% of homes in Del Norte County have more than one occupant per room, above 81% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Curry County, OR R+11
- Josephine County, OR R+25
- Humboldt County, CA D+27
- Jackson County, OR R+3
- Siskiyou County, CA R+17
- Trinity County, CA R+14
- Coos County, OR R+10
- Douglas County, OR R+29
- Shasta County, CA R+30
- Klamath County, OR R+33
Counties with Similar Populations
- Union County, MS R+63
- Upson County, GA R+30
- Jackson County, WV R+57
- Henry County, OH R+53
- Henderson County, TN R+65
- Jennings County, IN R+56
- Randolph County, WV R+51
- Dinwiddie County, VA R+16
- Monroe County, GA R+42
- Peach County, GA D+7
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.