Hartford leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 85% of adults in Hartford typically vote, above the U.S. average of about 62%. Among adults in Hartford, ~26% vote Democratic, ~59% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.
How Hartford compares
Among cities within 25 miles, Hartford leans more Republican than 34 of 63 neighbors.
Hartford runs about 25 points more Republican than Iowa as a whole.
Why Hartford leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Hartford. The lean here lands roughly where demographic data alone would predict.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Hartford, IA sits in the bottom tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Hartford looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Hartford 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 70%, about 10 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 93% of households in Hartford own their home, about 18 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Palmyra, IA R+39
- Swan, IA R+46
- Carlisle, IA R+28
- Sandyville, IA R+39
- Runnells, IA R+33
- Vandalia, IA R+39
- Summerset, IA R+36
- Ackworth, IA R+38
- Pleasantville, IA R+40
- Scotch Ridge, IA R+31
Cities with Similar Populations
- Lisbon, IL R+46
- Hatcher, WV R+80
- Waubay, SD R+38
- Victor, WV R+58
- Caddo Valley, AR R+22
- Girard, GA R+13
- Herman, NE R+55
- Milltown, NC R+61
- Almond, NC R+58
- Leroy, OK R+63
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.