74003 leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 49% of adults in 74003 typically vote, below the U.S. average of about 62%. Among adults in 74003, ~17% vote Democratic, ~32% Republican, and ~51% don't vote. The map below shows estimated turnout by block group.
How 74003 compares
Among zip codes within 15 miles, 74003 is the least Republican-leaning.
74003 runs about 17 points more Democratic than Oklahoma as a whole.
Politics vary noticeably by block within 74003. The southwest side is the most Republican-leaning (R+59) and the east side is the least Republican-leaning (R+10), a spread of about 49 points.
Why 74003 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 74003, not a ranked or complete list of what matters most.
74003 votes Republican even though it is densely developed (about 64%, far above the Oklahoma average of 18%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 74003, OK sits in the bottom quarter 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 74003 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 74003 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 42% of households in 74003 rent, compared to around 20% in nearby zip codes. High food insecurity lines up with lower turnout, and about 26% of adults in 74003 report food insecurity, above 90% 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.