Roca leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 87% of adults in Roca typically vote, above the U.S. average of about 62%. Among adults in Roca, ~25% vote Democratic, ~62% Republican, and ~13% don't vote. The map below shows estimated turnout by block group.
How Roca compares
Among cities within 25 miles, Roca leans more Republican than 13 of 41 neighbors.
Roca runs about 22 points more Republican than Nebraska as a whole.
Politics vary noticeably by neighborhood within Roca. The west side is the most Republican-leaning (R+48) and the north side is the least Republican-leaning (R+36), a spread of about 12 points.
Why Roca 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 Roca, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 82% of households in Roca are family households, about 16 points above the U.S. average of 67%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Roca, NE sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Roca looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Roca 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%. Homeowners vote more often than renters, and about 97% of households in Roca own their home, about 22 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 98% of adults in Roca have completed high school, above 96% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Hickman, NE R+32
- Saltillo, NE R+12
- Sprague, NE R+48
- Rokeby, NE R+32
- Holland, NE R+41
- Martell, NE R+48
- Princeton, NE R+47
- Bennet, NE R+40
- Panama, NE R+43
- Lincoln, NE D+11
Cities with Similar Populations
- Marmet, WV R+43
- Trout, LA R+83
- Stetsonville, WI R+55
- Mound City, KS R+62
- Fort Benton, MT R+44
- Clements, MD R+41
- Colville, KY R+58
- Eddy, TX R+64
- Byron, CA R+27
- Hauser, ID R+61
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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.