San Pedro leans heavily Democratic by roughly 32 points: about 66% of voters vote Democratic and 34% Republican.
About 57% of adults in San Pedro typically vote, near the U.S. average of about 62%. Among adults in San Pedro, ~38% vote Democratic, ~19% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How San Pedro compares
Among cities within 25 miles, San Pedro leans more Democratic than 9 of 13 neighbors.
San Pedro runs about 22 points more Democratic than Colorado as a whole.
Why San Pedro leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in San Pedro. The lean here lands roughly where demographic data alone would predict.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; San Pedro, CO sits in the bottom quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in San Pedro looks the way it does
Areas with limited routine healthcare access turn out at lower rates. San Pedro is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The uninsured rate here is about 22%, about 11 points above the Colorado average of 11%. High-crime urban areas turn out at lower rates, and San Pedro sits in the top 15% on a violent-crime measure. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- San Luis, CO D+41
- Los Fuertes, CO D+33
- San Pablo, CO D+30
- Chama, CO D+32
- Viejo San Acacio, CO D+33
- San Acacio, CO D+28
- Costilla, NM D+26
- Jaroso, CO D+33
- Fort Garland, CO D+3
Cities with Similar Populations
- Honomakau, HI D+27
- Howland, VA R+19
- Jewell, OR R+22
- Reserve, MT R+57
- Deer Run, WV R+62
- Riverside, AR R+66
- Wyalusing, WI R+43
- Wyarno, WY R+72
- Andover Junction, NJ R+29
- Homeville, VA R+31
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.