Zachary is a true toss-up. About 51% of voters here vote Democratic and 49% Republican.
About 74% of adults in Zachary typically vote, above the U.S. average of about 62%. Among adults in Zachary, ~38% vote Democratic, ~36% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How Zachary compares
Among cities within 25 miles, Zachary sits roughly in the middle of the political spectrum, with 43 neighbors leaning further in the place's direction and 9 leaning the other way.
Zachary runs about 24 points more Democratic than Louisiana as a whole. Louisiana leans Republican overall, while Zachary sits closer to the political middle.
Politics vary noticeably by neighborhood within Zachary. The southwest side runs the most Democratic (D+28) and the north side runs the most Republican (R+12), a spread of about 41 points.
Why Zachary 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 Zachary, not a ranked or complete list of what matters most.
Zachary votes against the grain of Louisiana. Louisiana leans Republican overall, while Zachary runs about 24 points more Democratic.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Zachary, LA sits in the top quarter 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 Zachary looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Zachary is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 66%, about 6 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Baker, LA D+56
- Slaughter, LA R+28
- Lindsay, LA R+53
- Port Hudson, LA R+31
- Milldale, LA R+27
- Pride, LA R+65
- Central, LA R+47
- Bueche, LA R+38
- Glynn, LA R+51
- Ethel, LA R+14
Cities with Similar Populations
- King George, VA R+23
- Conover, NC R+39
- Webster Groves, MO D+38
- Fort Walton Beach, FL R+27
- Commerce Township, MI R+14
- Northfield, MN D+24
- Kaukauna, WI R+24
- Plainview, TX R+40
- Waverly, MI D+25
- Antioch, IL R+8
Sources and methodology
Precinct-level voting records used to fit the model come from Louisiana Secretary of State, Elections, 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.