Gretna leans Republican by roughly 28 points: about 36% of voters vote Democratic and 64% Republican.
About 99% of adults in Gretna typically vote, above the U.S. average of about 62%. Among adults in Gretna, ~36% vote Democratic, ~63% Republican, and ~1% don't vote. The map below shows estimated turnout by block group.
How Gretna compares
Among cities within 25 miles, Gretna leans more Republican than 13 of 55 neighbors.
Gretna runs about 8 points more Republican than Nebraska as a whole.
Politics vary noticeably by neighborhood within Gretna. The southeast side is the most Republican-leaning (R+43) and the northeast side is the least Republican-leaning (R+20), a spread of about 23 points.
Why Gretna leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Gretna, not a ranked or complete list of what matters most.
Gretna votes Republican even though it is densely developed (about 55%, far above the Nebraska average of 17%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 83% of households in Gretna are family households, above 95% of cities.
Food insecurity and voter turnout
Places with low food insecurity tend to turn out at a higher rate; Gretna, NE sits in the bottom tenth nationally on this measure. Food insecurity does not directly drive turnout; it reflects economic hardship, which lines up with lower voting.
Why turnout in Gretna looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Gretna 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 74%, about 14 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 99% of adults in Gretna have completed high school, above 97% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Wann, NE R+52
- Chalco, NE R+7
- St. Columbans, NE R+43
- Venice, NE R+40
- Springfield, NE R+38
- Waterloo, NE R+34
- Elkhorn, NE R+17
- South Bend, NE R+39
- Boys Town, NE R+5
- Ashland, NE R+38
Cities with Similar Populations
- Siler City, NC R+6
- Vine Grove, KY R+34
- Decatur, IN R+51
- Spanish Fort, AL R+55
- Alexander, AR R+32
- Urbana, OH R+40
- Monticello, KY R+64
- Berthoud, CO R+14
- Mission, KS D+32
- Trinity, NC R+57
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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.