McKinney leans heavily Democratic by roughly 34 points: about 67% of voters vote Democratic and 33% Republican.
About 57% of adults in McKinney typically vote, near the U.S. average of about 62%. Among adults in McKinney, ~38% vote Democratic, ~19% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How McKinney compares
Among neighborhoods within 5 miles, McKinney is the least Democratic-leaning.
McKinney runs about 48 points more Democratic than Texas as a whole. Texas leans Republican overall, while McKinney is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within McKinney. The northwest side is the most Democratic-leaning (D+50) and the northeast side is the least Democratic-leaning (D+26), a spread of about 24 points.
Why McKinney leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for McKinney, not a ranked or complete list of what matters most.
McKinney votes against the grain of Texas. Texas leans Republican overall, while McKinney runs about 48 points more Democratic.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; McKinney, Austin, TX sits in the bottom quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in McKinney looks the way it does
Areas with limited routine healthcare access turn out at lower rates. McKinney is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The uninsured rate here is about 27%, about 8 points above the Texas average of 19%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Franklin Park, Austin, TX D+44
- Parker Lane, Austin, TX D+59
- East Congress, Austin, TX D+50
- Saint Edwards, Austin, TX D+57
- Sweetbriar, Austin, TX D+52
- Pleasant Valley, Austin, TX D+56
- West Congress, Austin, TX D+57
- Riverside, Austin, TX D+49
- Montopolis, Austin, TX D+54
- South Manchaca, Austin, TX D+52
Neighborhoods with Similar Populations
- Victory, Minneapolis, MN D+57
- Southeast Ridgewood, Ridgewood, NJ D+25
- Medina Public Square Historic District, Medina, OH R+8
- College Park, Mobile, AL R+31
- Geneva, Orem, UT R+17
- 9th and 9th, Salt Lake City, UT D+70
- Central Lawrenceville, Pittsburgh, PA D+58
- Far West, Wilsonville, OR D+18
- Athenia, Clifton, NJ D+5
- Boyle Park, Little Rock, AR D+58
Sources and methodology
Precinct-level voting records used to fit the model come from Texas Secretary of State, Elections Division, 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.