Mann is a Democratic stronghold. About 76% of voters here vote Democratic and 24% Republican.
About 64% of adults in Mann typically vote, near the U.S. average of about 62%. Among adults in Mann, ~49% vote Democratic, ~15% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Mann compares
Among neighborhoods within 5 miles, Mann leans more Democratic than 5 of 7 neighbors.
Mann runs about 65 points more Democratic than Iowa as a whole. Iowa leans Republican overall, while Mann is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within Mann. The northeast side is the most Democratic-leaning (D+65) and the east side is the least Democratic-leaning (D+37), a spread of about 28 points.
Why Mann leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Mann, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 71% of adults in Mann hold a bachelor's degree, about 43 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 76% of adults in Mann have never been married, in the top fraction of neighborhoods. Mann runs against the grain of Iowa, a Democratic-leaning pocket in a Republican-leaning state.
Adult arthritis and voter turnout
Places with a low adult-arthritis rate tend to turn out at a higher rate; Mann, Iowa City, IA sits in the bottom tenth nationally on this measure. Arthritis does not drive turnout; it reflects the age and health profile of an area.
Why turnout in Mann looks the way it does
Turnout in Mann 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 Neighborhoods
- Roosevelt, Iowa City, IA D+55
- Longfellow, Iowa City, IA D+48
- Kirkwood, Coralville, IA D+52
- Weber, Iowa City, IA D+46
- Twain, Iowa City, IA D+44
- Lucas, Iowa City, IA D+45
- Wickham, Coralville, IA D+34
- Penn, North Liberty, IA D+23
- Southwest Area, Cedar Rapids, IA D+21
- Taylor, Cedar Rapids, IA D+24
Neighborhoods with Similar Populations
- Central Davis, Davis, CA D+72
- Village 2, Sacramento, CA D+27
- Madison Village, Lakewood, OH D+41
- West Colfax, Denver, CO D+51
- Historic Midtown, Wichita, KS D+32
- Conway, Orlando, FL R+4
- Greenmount, Baltimore, MD D+87
- Grant Park, Atlanta, GA D+71
- Westmont, Everett, WA D+22
- Starcrest, Salmon Creek, WA D+18
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.