Platte County, Wyoming
Located in Wyoming, Platte County has a population of 8,612 residents and a median age of 47.0 years, making it the #2,598 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 7.7%. The median home value is $297,900, and the median household income is $67,718, which is 10% below the national median.
Demographics
Platte County has a population of 8,612, making it the #2,598 most populous county in the US. The median age is 47.0 years, which is 20.8% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Platte County is $67,718, ranking #1,364 out of 3,222 counties — 9.9% below the national median. The poverty rate is 7.7% and unemployment stands at 4.6%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Platte County is $297,900 (+5.7% vs national). Renters pay a median of $781/mo and the homeownership rate is 76.1%.
Median Home Value Trend
Rankings →Household Type
Education
In Platte County, 20.7% of adults age 25+ hold a bachelor's degree or higher, which is 38.5% below the national average, ranking #1,867 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Platte County is 75.1 years. 16.2% of adults report poor or fair health and 15.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
18.1% of adults in Platte County smoke , 32.4% are obese , and 20.8% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 37.6 per 100,000. Motor vehicle deaths occur at a rate of 31.6 per 100,000.
Suicide Rate Trend
Families & Children
15.1% of children in Platte County live in poverty . The teen birth rate is 13.6 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Platte County is 71.9%. The mean commute time is 17.4 min, which is 37.0% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Platte County voted Republican with a margin of 65.5%. The vote was 16.5% Dem / 82% Rep. Compared to 2020, the margin shifted 4.4 toward Republicans .
Vote Share Over Time
About Platte County, Wyoming
Platte County, Wyoming has a total population of 8,612, making it the 2,598th most populous county in the United States. The median age in Platte County is 47.0 years, which is 20.8% above the national median of 38.9 years.
The median household income in Platte County is $67,718, which ranks #1,364 of 3,222 counties nationwide. This is 9.9% below the national median of $75,149. The poverty rate is 7.7%, lower than the national rate of 12.6%. The unemployment rate stands at 4.6%.
The median home value in Platte County is $297,900, 5.7% above the national median. Renters in Platte County pay a median gross rent of $781 per month. The homeownership rate is 76.1%, compared to the national rate of 64.4%.
In Platte County, 20.7% of residents aged 25 and older hold a bachelor's degree or higher, 38.5% below the national average of 33.7%. Health insurance coverage stands at 78.5% of the population. The average commute time for workers is 17.4 min.
Platte County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 85.0% of the population, followed by Hispanic or Latino (8.8%) and Two or More Races (4.9%).
All data for Platte County, Wyoming comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.