Rosamond leans Republican by roughly 20 points: about 40% of voters vote Democratic and 60% Republican.
About 57% of adults in Rosamond typically vote, near the U.S. average of about 62%. Among adults in Rosamond, ~23% vote Democratic, ~34% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How Rosamond compares
Among cities within 25 miles, Rosamond leans more Republican than 9 of 16 neighbors.
Rosamond runs about 39 points more Republican than California as a whole. California leans Democratic overall, while Rosamond is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Rosamond. The southwest side is the most Republican-leaning (R+42) and the east side is the least Republican-leaning (R+6), a spread of about 36 points.
Why Rosamond 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 Rosamond, not a ranked or complete list of what matters most.
Rosamond votes Republican even though it is densely developed (about 44%, modestly below the California average of 58%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 75% of households in Rosamond are family households, above 77% of cities. Rosamond runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.
Never-married share, developed land, and voter turnout
Places that combine a never-married-heavy adult population and a heavily developed built environment tend to turn out at a lower rate, as Rosamond, CA does.
Why turnout in Rosamond looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Rosamond 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 24% of adults in Rosamond report food insecurity, above 88% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Willow Springs, CA R+41
- Mojave, CA R+17
- Lancaster, CA D+14
- Edwards AFB, CA R+12
- Quartz Hill, CA R+16
- Edwards, CA R+12
- Edwards Air Force Base, CA R+10
- Del Sur, CA R+33
- Leona Valley, CA R+39
- Lake Hughes, CA R+27
Cities with Similar Populations
- Salmon Creek, WA D+14
- Florida Ridge, FL R+16
- Hampstead, NC R+38
- Covington, WA D+11
- Twinsburg, OH D+21
- Granite Bay, CA R+11
- Warrington, PA Even
- Clarks Summit, PA Even
- Florida City, FL D+17
- North Plainfield, NJ D+31
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.