68840 is a Republican stronghold. About 25% of voters here vote Democratic and 75% Republican.
About 77% of adults in 68840 typically vote, above the U.S. average of about 62%. Among adults in 68840, ~19% vote Democratic, ~58% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How 68840 compares
Among zip codes within 15 miles, 68840 leans more Republican than 3 of 7 neighbors.
68840 runs about 30 points more Republican than Nebraska as a whole.
Politics vary noticeably by block within 68840. The west side is the most Republican-leaning (R+64) and the east side is the least Republican-leaning (R+44), a spread of about 20 points.
Why 68840 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 68840. The lean here lands roughly where demographic data alone would predict.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 68840, NE 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 68840 looks the way it does
Turnout in 68840 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 Zip Codes
Zip Codes with Similar Populations
Sources and methodology
Precinct-level voting records used to fit the model come from Nebraska 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.