Spencer leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 76% of adults in Spencer typically vote, above the U.S. average of about 62%. Among adults in Spencer, ~22% vote Democratic, ~54% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How Spencer compares
Among cities within 25 miles, Spencer leans more Republican than 14 of 42 neighbors.
Spencer runs about 41 points more Republican than Wisconsin as a whole.
Politics vary noticeably by neighborhood within Spencer. The west side is the most Republican-leaning (R+54) and the east side is the least Republican-leaning (R+37), a spread of about 17 points.
Why Spencer 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 Spencer, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In Spencer, about 95% of residents are non-Hispanic white, about 23 points above the U.S. average of 72%; about 17% of adults hold a bachelor's degree, about 10 points below the Wisconsin average of 26%.
Adult arthritis and voter turnout
Places with a low adult-arthritis rate tend to turn out at a higher rate; Spencer, WI sits in the bottom quarter nationally on this measure. Arthritis does not drive turnout; it reflects the age and health profile of an area.
Why turnout in Spencer looks the way it does
Turnout in Spencer 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
- Unity, WI R+50
- Spokeville, WI R+53
- Riplinger, WI R+53
- Chili, WI R+45
- Marshfield, WI R+14
- Loyal, WI R+50
- Nasonville, WI R+38
- Hewitt, WI R+31
- Colby, WI R+41
- Stratford, WI R+40
Cities with Similar Populations
- Independence, MN R+14
- Afton, OK R+60
- Gillespie, IL R+39
- Wilburton, OK R+61
- Dayton, OR R+25
- Hinckley, MN R+33
- Sea Girt, NJ R+19
- West Barnstable, MA D+9
- Hiawatha, KS R+38
- Elsberry, MO R+53
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Sources and methodology
Precinct-level voting records used to fit the model come from Wisconsin Elections Commission, 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.