Pennington is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 52% of adults in Pennington typically vote, below the U.S. average of about 62%. Among adults in Pennington, ~12% vote Democratic, ~39% Republican, and ~49% don't vote. The map below shows estimated turnout by block group.
How Pennington compares
Among cities within 25 miles, Pennington leans more Republican than 30 of 33 neighbors.
Pennington runs about 71 points more Republican than California as a whole. California leans Democratic overall, while Pennington is one of the few Republican-leaning pockets.
Why Pennington 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 Pennington, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 4% of residents in Pennington live in densely developed areas, about 54 points below the California average of 58%. A high family-household share predicts Republican voting, and about 78% of households in Pennington are family households, above 85% of cities. Pennington runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.
Developed land and Republican lean
Places with a rural land-use pattern tend to lean Republican; Pennington, CA sits in the bottom quarter nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Pennington looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Pennington is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. High food insecurity lines up with lower turnout, and about 20% of adults in Pennington report food insecurity, above 81% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Live Oak, CA R+27
- Gridley, CA R+30
- Lomo, CA R+40
- Sutter, CA R+47
- Biggs, CA R+49
- Robinsons Corner, CA R+46
- Meridian, CA R+49
- Richvale, CA R+58
- Colusa, CA R+26
- Yuba City, CA R+20
Cities with Similar Populations
- Bigbee, AL R+73
- Flat, TX R+74
- Dixonville, AL R+92
- Trout Creek, MI R+23
- Frankfort, SD R+53
- West Waynesburg, PA R+52
- Dickerson, NC R+19
- Newville, WI R+18
- Cornelia, WI R+37
- English, KY R+58
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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.