Mosca leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 69% of adults in Mosca typically vote, above the U.S. average of about 62%. Among adults in Mosca, ~22% vote Democratic, ~47% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Mosca compares
Among cities within 25 miles, Mosca leans more Republican than 9 of 11 neighbors.
Mosca runs about 46 points more Republican than Colorado as a whole. Colorado leans Democratic overall, while Mosca is one of the few Republican-leaning pockets.
Why Mosca 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 Mosca, not a ranked or complete list of what matters most.
Mosca votes against the grain of Colorado. Colorado leans Democratic overall, while Mosca runs about 46 points more Republican. Rural areas vote Republican, and Mosca sits in the bottom quarter on density (about 2%, below 95% of cities).
Population density, never-married share, and Republican lean
Places that combine low population density and a never-married-heavy adult population tend to lean Republican, as Mosca, CO does.
Why turnout in Mosca looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Mosca 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 Cities
- Hooper, CO R+34
- Alamosa, CO Even
- Waverly, CO R+38
- Estrella, CO R+31
- Monte Vista, CO R+19
- Center, CO D+6
- Blanca, CO Even
- Platoro, CO R+33
- Torres, CO R+44
- Morgan, CO R+26
Cities with Similar Populations
- Addor, NC R+29
- Bradford Center, NH Even
- Gage, OH R+62
- Millard, MO R+66
- Port Wing, WI D+6
- Fostoria, IA R+53
- South Tamworth, NH D+18
- Deer Park, MD R+64
- Sandy Beach, NY R+10
- Laureldale, NJ R+20
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Colorado 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.