Ada leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 57% of adults in Ada typically vote, near the U.S. average of about 62%. Among adults in Ada, ~19% vote Democratic, ~37% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How Ada compares
Among cities within 25 miles, Ada is the least Republican-leaning.
Ada runs about 16 points more Democratic than Oklahoma as a whole.
Politics vary noticeably by neighborhood within Ada. The southwest side is the most Republican-leaning (R+42) and the north side is the least Republican-leaning (R+19), a spread of about 23 points.
Why Ada 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 Ada, not a ranked or complete list of what matters most.
Ada votes Republican even though it is densely developed (about 60%, far above the Oklahoma average of 18%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
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 Ada, OK does.
Why turnout in Ada looks the way it does
Renters vote less often than owners. About 44% of households in Ada rent, about 19 points above the U.S. average of 25%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Hird, OK R+44
- Ahloso, OK R+48
- Homer, OK R+42
- Pickett, OK R+60
- Oakman, OK R+48
- Byng, OK R+58
- Lawrence, OK R+69
- Happyland, OK R+68
- Union Valley, OK R+61
- Center, OK R+70
Cities with Similar Populations
- Carthage, MO R+40
- Orange City, FL R+25
- Ridgefield, WA R+5
- Alta Loma, CA R+14
- Blue Island, IL D+46
- Capitol Heights, MD D+85
- Stony Brook, NY D+23
- Lebanon, MO R+55
- Portsmouth, NH D+39
- East Renton Highlands, WA D+23
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Sources and methodology
Precinct-level voting records used to fit the model come from Oklahoma State Election Board, 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.