Lake Tapps leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 93% of adults in Lake Tapps typically vote, above the U.S. average of about 62%. Among adults in Lake Tapps, ~42% vote Democratic, ~51% Republican, and ~7% don't vote. The map below shows estimated turnout by block group.
How Lake Tapps compares
Among cities within 25 miles, Lake Tapps leans more Republican than 61 of 86 neighbors.
Lake Tapps runs about 27 points more Republican than Washington as a whole. Washington leans Democratic overall, while Lake Tapps is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Lake Tapps. The north side runs the most Democratic (Even) and the east side runs the most Republican (R+20), a spread of about 22 points.
Why Lake Tapps 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 Lake Tapps, not a ranked or complete list of what matters most.
Lake Tapps votes Republican even though it is densely developed (about 54%, modestly above the Washington average of 41%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 77% of households in Lake Tapps are family households, above 82% of cities. Lake Tapps runs against the grain of Washington, a Republican-leaning pocket in a Democratic-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Lake Tapps, WA sits in the top quarter nationally on this measure.
Why turnout in Lake Tapps looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Lake Tapps 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%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Sumner, WA D+6
- Pacific, WA D+14
- Osceola, WA R+21
- Bonney Lake, WA R+5
- Auburn, WA D+18
- Algona, WA D+11
- Edgewood, WA Even
- Prairie Ridge, WA R+17
- Lakeland South, WA D+8
- Wabash, WA R+31
Cities with Similar Populations
- Shorewood, WI D+63
- Monroe, WI R+8
- Key Largo, FL R+25
- Columbia, KY R+59
- Durham, NH D+47
- Murrysville, PA R+15
- Winchester, TN R+55
- Lantana, FL D+5
- Port Jervis, NY R+17
- Bogart, GA R+32
Sources and methodology
Precinct-level voting records used to fit the model come from Washington 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.