68403 is a Republican stronghold. About 25% of voters here vote Democratic and 75% Republican.
About 83% of adults in 68403 typically vote, above the U.S. average of about 62%. Among adults in 68403, ~21% vote Democratic, ~62% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How 68403 compares
Among zip codes within 15 miles, 68403 leans more Republican than 14 of 15 neighbors.
68403 runs about 30 points more Republican than Nebraska as a whole.
Why 68403 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 68403, not a ranked or complete list of what matters most.
Rural areas with a high white share vote Republican. 68403 sits in the bottom quarter on density and about 94% of residents are non-Hispanic white, about 6 points above the Nebraska average of 88%.
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 68403, NE does.
Why turnout in 68403 looks the way it does
Homeowners vote more often than renters. About 93% of households in 68403 own their home, about 15 points above the Nebraska average of 77%. High high-school completion lines up with higher turnout, and about 98% of adults in 68403 have completed high school, above 94% 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.