Platte County, Wyoming Demographics 2026
Platte County, Wyoming has a population of 8,612, the 18th most populous county in Wyoming. The median household income is $67,718 and the median home value is $297,900. The poverty rate is 7.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Platte County Quick Facts
How Platte County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 8,606 | 8,612 | +0.1% |
| Median household income | $66,299 | $67,718 | +2.1% |
| Median home value | $248,900 | $297,900 | +19.7% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 32 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Platte County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Wheatland | 3,550 | $58,750 | 9.2% | $259,200 |
| Guernsey | 754 | $50,114 | 10.1% | $224,300 |
| Glendo | 243 | N/A | 16.1% | $317,300 |
| Chugwater | 228 | $68,475 | 8.3% | $295,000 |
| Chugcreek | 160 | $175,357 | 13.1% | $297,400 |
| Y-O Ranch | 120 | $109,773 | 0.0% | N/A |
| Westview Circle | 117 | N/A | 0.0% | N/A |
| Lakeview North | 100 | $235,417 | 0.0% | N/A |
| Slater | 99 | N/A | 70.7% | N/A |
| Hartville | 88 | $62,679 | 0.0% | $245,000 |
| Whiting | 58 | N/A | 53.4% | N/A |
| El Rancho | 47 | N/A | 21.3% | N/A |
Explore Wyoming Rankings
Population Overview
Platte County is located in Wyoming with a total population of 8,612. It is the 18th most populous county out of 23 in Wyoming. The county encompasses 12 Census-designated places.
Age Demographics
The median age in Platte County is 47.0 years. This is 20% higher than the state median of 39.1 years. 11.7% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Platte County is $67,718. This is 11% lower than the state median of $76,176. It is also 16% lower than the national median of $80,734. The poverty rate stands at 7.7%. This is 26% lower than the state poverty rate of 10.5%. The unemployment rate is 4.6%. This is 23% higher than the state rate of 3.7%. The median home value is $297,900. Housing costs are 4% lower than the state median of $309,700. The home-value-to-income ratio is 4.4x. 76.1% of occupied housing units are owner-occupied. This homeownership rate is 6% higher than the state average of 71.8%.
Race & Ethnicity
The largest racial or ethnic group in Platte County is White (non-Hispanic), making up 85.0% of the population. Hispanic or Latino residents account for 8.8%. The Black or African American population (0.3%) is well below the state average of 0.8%.
Education
20.7% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 32% lower than the state rate of 30.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.9%.
Data Sources & Methodology
All figures for Platte County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Wyoming and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Platte County, Wyoming?
Platte County has a population of 8,612, making it the 18th most populous county in Wyoming.
What is the median income in Platte County?
The median household income in Platte County is $67,718 with a poverty rate of 7.7%.
How many cities are in Platte County, Wyoming?
Platte County contains 12 Census-designated places.