Platte County is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 75% of adults in Platte County typically vote, above the U.S. average of about 62%. Among adults in Platte County, ~14% vote Democratic, ~61% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Platte County compares
Platte County runs about 19 points more Republican than Wyoming as a whole.
Politics vary noticeably by city within Platte County. The east side is the most Republican-leaning (R+75) and the south side is the least Republican-leaning (R+57), a spread of about 18 points.
Why Platte County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Platte County. The lean here lands roughly where demographic data alone would predict.
Never-married share and voter turnout
Places with a low never-married share tend to turn out at a higher rate; Platte County, WY sits in the bottom quarter nationally on this measure.
Why turnout in Platte County looks the way it does
Turnout in Platte County 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 Counties
- Goshen County, WY R+62
- Niobrara County, WY R+90
- Converse County, WY R+66
- Sioux County, NE R+79
- Albany County, WY D+12
- Scotts Bluff County, NE R+42
- Laramie County, WY R+23
- Banner County, NE R+79
- Natrona County, WY R+41
- Kimball County, NE R+68
Counties with Similar Populations
- Montgomery County, GA R+47
- Lee County, AR D+10
- Dimmit County, TX R+4
- Madison County, MT R+46
- Wilkinson County, MS D+38
- Wilson County, KS R+59
- Woods County, OK R+57
- Lucas County, IA R+44
- Oregon County, MO R+69
- Archer County, TX R+76
Sources and methodology
Precinct-level voting records used to fit the model come from Wyoming 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.