68040 is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 83% of adults in 68040 typically vote, above the U.S. average of about 62%. Among adults in 68040, ~19% vote Democratic, ~64% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How 68040 compares
Among zip codes within 15 miles, 68040 leans more Republican than 6 of 13 neighbors.
68040 runs about 34 points more Republican than Nebraska as a whole.
Why 68040 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 68040, not a ranked or complete list of what matters most.
Rural areas with a high white share vote Republican. 68040 sits in the bottom quarter on density and about 96% of residents are non-Hispanic white, about 8 points above the Nebraska average of 88%. A high family-household share predicts Republican voting, and about 76% of households in 68040 are family households, above 84% of zip codes.
High-school completion, developed land, and voter turnout
Places that combine high-school-completion-heavy adults and a rural land-use pattern tend to turn out at a higher rate, as 68040, NE does.
Why turnout in 68040 looks the way it does
Homeowners vote more often than renters. About 97% of households in 68040 own their home, about 20 points above the Nebraska average of 77%. High high-school completion lines up with higher turnout, and about 99% of adults in 68040 have completed high school, above 97% of zip codes. 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.