La Crosse County leans slightly Democratic by roughly 8 points: about 54% of voters vote Democratic and 46% Republican.
About 85% of adults in La Crosse County typically vote, above the U.S. average of about 62%. Among adults in La Crosse County, ~46% vote Democratic, ~39% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.
How La Crosse County compares
Among counties within 50 miles, La Crosse County is the most Democratic-leaning.
La Crosse County runs about 9 points more Democratic than Wisconsin as a whole.
Politics vary noticeably by city within La Crosse County. The southwest side runs the most Democratic (D+30) and the northeast side runs the most Republican (R+12), a spread of about 42 points.
Why La Crosse County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for La Crosse County, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 67% of residents in La Crosse County live in densely developed areas, about 31 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and La Crosse County sits in the top quarter (about 35%, above 86% of counties). A high never-married share predicts Democratic voting, and about 38% of adults in La Crosse County have never been married, above 91% of counties.
Population density and Democratic lean
Places with high population density tend to lean Democratic; La Crosse County, WI sits in the top tenth nationally on this measure.
Why turnout in La Crosse County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. La Crosse County 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 68%, about 8 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in La Crosse County have completed high school, above 98% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Houston County, MN R+21
- Vernon County, WI R+19
- Winona County, MN R+8
- Monroe County, WI R+28
- Trempealeau County, WI R+26
- Jackson County, WI R+21
- Allamakee County, IA R+32
- Buffalo County, WI R+32
- Fillmore County, MN R+32
- Crawford County, WI R+26
Counties with Similar Populations
- Allegan County, MI R+28
- Clark County, IN R+23
- Comanche County, OK R+18
- Tom Green County, TX R+39
- San Juan County, NM R+26
- Berkeley County, WV R+33
- Fayette County, GA R+4
- Carroll County, GA R+35
- Gallatin County, MT D+6
- Jasper County, MO R+40
Sources and methodology
Precinct-level voting records used to fit the model come from Wisconsin Elections Commission, 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.