Mendenhall Valley, Juneau, AK Political Map | Democrat & Republican Areas in Mendenhall Valley

Mendenhall Valley leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican. These figures are model estimates: Alaska did not have precinct-level voting records available for training, so the numbers above come from demographic and health features rather than local ground truth.

 
Mendenhall Valley, Juneau, AK block-group political-lean map
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About 68% of adults in Mendenhall Valley typically vote, above the U.S. average of about 62%. Among adults in Mendenhall Valley, ~38% vote Democratic, ~31% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.

Mendenhall Valley, Juneau, AK block-group voter-turnout map
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How Mendenhall Valley compares

Mendenhall Valley runs about 23 points more Democratic than Alaska as a whole. Alaska leans Republican overall, while Mendenhall Valley is one of the few Democratic-leaning pockets.

Politics vary noticeably by block within Mendenhall Valley. The southeast side is the most Democratic-leaning (D+19) and the northeast side is the least Democratic-leaning (D+5), a spread of about 14 points.

Why Mendenhall Valley 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 Mendenhall Valley, not a ranked or complete list of what matters most.

Mendenhall Valley votes against the grain of Alaska. Alaska leans Republican overall, while Mendenhall Valley runs about 23 points more Democratic.

Overall lean vs. state and nation

Mendenhall Valley, Juneau, AK leans Democratic compared with its state and the country.

Why turnout in Mendenhall Valley looks the way it does

Turnout in Mendenhall Valley 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.

Sources and methodology

Precinct-level voting records used to fit the model come from Alaska Division of 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. AK did not have precinct-level voting records available for training, so the figures here come from extrapolation across demographic, health, and land-use features rather than local ground truth. Full methodology and findings: political spectrum map.

Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.