68640 is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 78% of adults in 68640 typically vote, above the U.S. average of about 62%. Among adults in 68640, ~15% vote Democratic, ~63% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How 68640 compares
Among zip codes within 15 miles, 68640 leans more Republican than 1 of 5 neighbors.
68640 runs about 42 points more Republican than Nebraska as a whole.
Politics vary noticeably by block within 68640. The north side is the most Republican-leaning (R+76) and the east side is the least Republican-leaning (R+59), a spread of about 17 points.
Why 68640 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 68640. The lean here lands roughly where demographic data alone would predict.
Frequent mental distress and voter turnout
Places with a low frequent-mental-distress rate tend to turn out at a higher rate; 68640, NE sits in the bottom quarter nationally on this measure. Reported mental distress does not drive turnout; it reflects economic and health conditions tied to voting.
Why turnout in 68640 looks the way it does
Turnout in 68640 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.