Long Grove leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 85% of adults in Long Grove typically vote, above the U.S. average of about 62%. Among adults in Long Grove, ~28% vote Democratic, ~57% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.
How Long Grove compares
Among cities within 25 miles, Long Grove leans more Republican than 42 of 80 neighbors.
Long Grove runs about 20 points more Republican than Iowa as a whole.
Why Long Grove 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 Long Grove, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 86% of households in Long Grove are family households, about 20 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; Long Grove, IA 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 Long Grove looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Long Grove 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 73%, about 13 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 90% of households in Long Grove own their home, above 80% of cities. High high-school completion lines up with higher turnout, and about 96% of adults in Long Grove have completed high school, above 81% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Park View, IA R+31
- Eldridge, IA R+14
- Donahue, IA R+36
- McCausland, IA R+38
- DeWitt, IA R+26
- Grand Mound, IA R+42
- Folletts, IA R+40
- Maysville, IA R+43
- Princeton, IA R+31
- Dixon, IA R+43
Cities with Similar Populations
- Petersburg, NY R+30
- Tiptonville, TN R+45
- Union, MI R+41
- East Brewton, AL R+42
- West Thornton, NH D+11
- Benzonia, MI R+11
- Kremmling, CO R+43
- Burlison, TN R+75
- Dalworthington Gardens, TX R+25
- Austinburg, OH R+41
Sources and methodology
Precinct-level voting records used to fit the model come from Iowa 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.