73018 leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 51% of adults in 73018 typically vote, below the U.S. average of about 62%. Among adults in 73018, ~14% vote Democratic, ~37% Republican, and ~49% don't vote. The map below shows estimated turnout by block group.
How 73018 compares
Among zip codes within 15 miles, 73018 is the least Republican-leaning.
73018 runs about 5 points more Democratic than Oklahoma as a whole.
Politics vary noticeably by block within 73018. The northwest side is the most Republican-leaning (R+60) and the east side is the least Republican-leaning (R+15), a spread of about 45 points.
Why 73018 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 73018, not a ranked or complete list of what matters most.
73018 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.
Park access and Republican lean
Places with low park coverage tend to lean Republican; 73018, OK sits in the bottom tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 73018 looks the way it does
Renters vote less often than owners. About 41% of households in 73018 rent, about 16 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 5% of homes in 73018 have more than one occupant per room, above 86% of zip codes. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.