Spanish Lake is a Democratic stronghold. About 87% of voters here vote Democratic and 13% Republican.
About 54% of adults in Spanish Lake typically vote, below the U.S. average of about 62%. Among adults in Spanish Lake, ~47% vote Democratic, ~7% Republican, and ~46% don't vote. The map below shows estimated turnout by block group.
How Spanish Lake compares
Among cities within 25 miles, Spanish Lake leans more Democratic than 143 of 173 neighbors.
Spanish Lake runs about 92 points more Democratic than Missouri as a whole. Missouri leans Republican overall, while Spanish Lake is one of the few Democratic-leaning pockets.
Politics vary noticeably by neighborhood within Spanish Lake. The west side is the most Democratic-leaning (D+81) and the northeast side is the least Democratic-leaning (D+37), a spread of about 44 points.
Why Spanish Lake 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 Spanish Lake, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 85% of residents in Spanish Lake live in densely developed areas, about 49 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 47% of adults in Spanish Lake have never been married, above 97% of cities. Spanish Lake runs against the grain of Missouri, a Democratic-leaning pocket in a Republican-leaning state.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Spanish Lake, MO sits in the bottom tenth 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 Spanish Lake looks the way it does
Renters vote less often than owners. About 53% of households in Spanish Lake rent, about 28 points above the U.S. average of 25%. Limited routine healthcare access lines up with lower turnout, and Spanish Lake sits in the bottom quarter on routine-care measures. High food insecurity lines up with lower turnout, and about 32% of adults in Spanish Lake report food insecurity, above 96% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Riverview, MO D+69
- Bellefontaine Neighbors, MO D+79
- Black Jack, MO D+82
- Moline Acres, MO D+85
- Dellwood, MO D+77
- Jennings, MO D+85
- Ferguson, MO D+69
- Old Jamestown, MO D+64
- Florissant, MO D+51
- Flordell Hills, MO D+83
Cities with Similar Populations
- Ashland, MA D+29
- Gorham, ME D+4
- Norton, MA Even
- Alexandria, KY R+43
- Bellwood, IL D+78
- Newton, IA R+20
- Estelle, LA Even
- Clinton, TN R+48
- Glassmanor, MD D+81
- Cypress Quarters, FL D+3
Sources and methodology
Precinct-level voting records used to fit the model come from Missouri 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.