Collinsville leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 65% of adults in Collinsville typically vote, near the U.S. average of about 62%. Among adults in Collinsville, ~20% vote Democratic, ~45% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How Collinsville compares
Among cities within 25 miles, Collinsville leans more Republican than 6 of 38 neighbors.
Collinsville runs about 10 points more Democratic than Oklahoma as a whole.
Politics vary noticeably by neighborhood within Collinsville. The northeast side is the most Republican-leaning (R+55) and the southwest side is the least Republican-leaning (R+20), a spread of about 35 points.
Why Collinsville 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 Collinsville, not a ranked or complete list of what matters most.
Collinsville votes Republican even though it is densely developed (about 47%, well above the Oklahoma average of 18%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 75% of households in Collinsville are family households, above 75% of cities.
Adult arthritis and voter turnout
Places with a low adult-arthritis rate tend to turn out at a higher rate; Collinsville, OK sits in the bottom quarter nationally on this measure. Arthritis does not drive turnout; it reflects the age and health profile of an area.
Why turnout in Collinsville looks the way it does
Turnout in Collinsville sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Owasso, OK R+25
- Limestone, OK R+58
- Valley Park, OK R+59
- Vera, OK R+65
- Oologah, OK R+59
- Sperry, OK R+51
- Skiatook, OK R+54
- Sageeyah, OK R+58
- Turley, OK R+15
- Verdigris, OK R+49
Cities with Similar Populations
- Haslett, MI D+31
- Coralville, IA D+44
- Coronado, CA D+15
- Kingsland, GA R+30
- Davidson, NC Even
- Sunland, CA Even
- North Salt Lake, UT R+5
- Clifton, CO R+26
- Corinth, MS R+47
- Matteson, IL D+70
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.