Eldorado leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 72% of adults in Eldorado typically vote, above the U.S. average of about 62%. Among adults in Eldorado, ~21% vote Democratic, ~51% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Eldorado compares
Eldorado sits in a sparsely populated area with few comparable cities nearby.
Eldorado runs about 29 points more Republican than Texas as a whole.
Politics vary noticeably by neighborhood within Eldorado. The southwest side is the most Republican-leaning (R+66) and the southeast side is the least Republican-leaning (R+32), a spread of about 34 points.
Why Eldorado 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 Eldorado, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 77% of households in Eldorado are family households, about 10 points above the U.S. average of 67%.
Non-English at home and voter turnout
Places with a low non-English-at-home share tend to turn out at a higher rate; Eldorado, TX sits in the bottom tenth nationally on this measure.
Why turnout in Eldorado looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Eldorado 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 U.S. average of 10%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Sonora, TX R+45
- Christoval, TX R+79
- Fort Mc Kavett, TX R+66
- Knickerbocker, TX R+80
- Sherwood, TX R+77
- Mertzon, TX R+64
- Tankersley, TX R+77
- Veribest, TX R+69
- Vick, TX R+84
- Ozona, TX R+38
Cities with Similar Populations
- Glendale, OH D+16
- Lanai City, HI D+26
- Oakwood Hills, IL R+10
- Shorewood Hills, WI D+86
- Woodward, IA R+32
- Pinehurst, ID R+45
- Grey Forest, TX R+20
- Wimer, OR R+33
- Greenup, IL R+55
- Linden, AL R+7
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Sources and methodology
Precinct-level voting records used to fit the model come from Texas Secretary of State, Elections Division, 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.