Agency leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 73% of adults in Agency typically vote, above the U.S. average of about 62%. Among adults in Agency, ~20% vote Democratic, ~52% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Agency compares
Among cities within 25 miles, Agency leans more Republican than 7 of 54 neighbors.
Agency runs about 31 points more Republican than Iowa as a whole.
Politics vary noticeably by neighborhood within Agency. The southeast side is the most Republican-leaning (R+50) and the northwest side is the least Republican-leaning (R+37), a spread of about 13 points.
Why Agency leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Agency. The lean here lands roughly where demographic data alone would predict.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Agency, IA sits above the national average on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Agency looks the way it does
Turnout in Agency 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
- Dahlonega, IA R+44
- Ottumwa, IA R+20
- Eldon, IA R+43
- Floris, IA R+58
- Cliffland, IA R+35
- Batavia, IA R+43
- Ottumwa Junction, IA R+52
- Rutledge, IA R+48
- Highland Center, IA R+53
- Selma, IA R+57
Cities with Similar Populations
- Welaka, FL R+55
- Shoreham, VT Even
- Ester, AK D+21
- Dallas, WI R+44
- Alum Bank, PA R+71
- Crab Orchard, TN R+67
- Boulevard, CA R+27
- Wysox, PA R+56
- Qulin, MO R+70
- Okolona, TN R+59
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.