73103 leans heavily Democratic by roughly 44 points: about 72% of voters vote Democratic and 28% Republican.
About 52% of adults in 73103 typically vote, below the U.S. average of about 62%. Among adults in 73103, ~37% vote Democratic, ~15% Republican, and ~48% don't vote. The map below shows estimated turnout by block group.
How 73103 compares
Among zip codes within 15 miles, 73103 leans more Democratic than 48 of 54 neighbors.
73103 runs about 93 points more Democratic than Oklahoma as a whole. Oklahoma leans Republican overall, while 73103 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 73103. The northwest side is the most Democratic-leaning (D+55) and the southwest side is the least Democratic-leaning (D+35), a spread of about 20 points.
Why 73103 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 73103, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 73103 live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 73103 sits in the top quarter (about 65%, above 96% of zip codes). 73103 runs against the grain of Oklahoma, a Democratic-leaning pocket in a Republican-leaning state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 73103, OK sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 73103 looks the way it does
Renters vote less often than owners. About 63% of households in 73103 rent, about 38 points above the U.S. average of 25%. 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.