Garden Grove is a Republican stronghold. About 20% of voters here vote Democratic and 80% Republican.
About 74% of adults in Garden Grove typically vote, above the U.S. average of about 62%. Among adults in Garden Grove, ~15% vote Democratic, ~59% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How Garden Grove compares
Among cities within 25 miles, Garden Grove leans more Republican than 32 of 36 neighbors.
Garden Grove runs about 48 points more Republican than Iowa as a whole.
Why Garden 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 Garden Grove, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In Garden Grove, about 98% of residents are non-Hispanic white, about 26 points above the U.S. average of 72%; about 11% of adults hold a bachelor's degree, about 13 points below the Iowa average of 24%.
Developed land and Republican lean
Places with a rural land-use pattern tend to lean Republican; Garden Grove, IA sits in the bottom quarter nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Garden Grove looks the way it does
Turnout in Garden Grove 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 Cities
- High Point, IA R+60
- Le Roy, IA R+56
- Humeston, IA R+56
- Weldon, IA R+57
- Last Chance, IA R+51
- Leon, IA R+50
- Van Wert, IA R+58
- Woodland, IA R+60
- Derby, IA R+52
- Decatur, IA R+47
Cities with Similar Populations
- Temperanceville, OH R+65
- Northeim, WI R+38
- Alma, NY R+48
- Clarkston Heights, WA R+30
- Stony Prairie, OH R+44
- Hartfield, NY R+38
- Parker School, MT D+72
- Dabneys, VA R+35
- Manning, NY R+44
- Malone, WA R+35
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.