Fortuna leans slightly Democratic by roughly 8 points: about 54% of voters vote Democratic and 46% Republican.
About 66% of adults in Fortuna typically vote, near the U.S. average of about 62%. Among adults in Fortuna, ~36% vote Democratic, ~31% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Fortuna compares
Among cities within 25 miles, Fortuna leans more Democratic than 14 of 31 neighbors.
Fortuna runs about 12 points more Republican than California as a whole.
Politics vary noticeably by neighborhood within Fortuna. The west side runs the most Democratic (D+19) and the northeast side runs the most Republican (R+6), a spread of about 25 points.
Why Fortuna 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 Fortuna, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 66% of residents in Fortuna live in densely developed areas, about 30 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 35% of adults in Fortuna have never been married, above 88% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Fortuna, CA sits in the top tenth nationally on this measure.
Why turnout in Fortuna looks the way it does
Turnout in Fortuna 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
- Newburg, CA D+3
- Hydesville, CA R+21
- Fernbridge, CA Even
- Ferndale, CA D+6
- Rio Dell, CA R+10
- Loleta, CA Even
- Scotia, CA R+16
- Port Kenyon, CA D+4
- Carlotta, CA R+19
- Stafford, CA R+17
Cities with Similar Populations
- Splendora, TX R+60
- Show Low, AZ R+30
- Polk City, FL R+50
- Holiday City-Berkeley, NJ R+26
- Fowlerville, MI R+37
- Orting, WA R+22
- Carnot-Moon, PA D+9
- Columbia, IL R+30
- Hillsdale, MI R+31
- Kittanning, PA R+49
All Local Stats
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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.