Platte County, Wyoming Demographics 2026

Population Overview

Platte County is located in Wyoming with a total population of 8,606. It is the 17th most populous county out of 23 in Wyoming.

Age Demographics

The median age in Platte County is 47.8 years. This is 23% higher than the state median of 38.8 years. 11.2% 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 $66,299. This is 11% lower than the state median of $74,815. Compared to the national median of $78,538, household income here is 16% lower. The poverty rate stands at 10.2%. This is 5% lower than the state poverty rate of 10.7%. The unemployment rate is 4.6%. This is 24% higher than the state rate of 3.7%. The median home value is $248,900. Housing costs are 13% lower than the state median of $285,100. The home-value-to-income ratio is 3.8x. 72.5% of occupied housing units are owner-occupied.

Race & Ethnicity

Platte County has a predominantly White (non-Hispanic) population, comprising 85.6% of all residents. Hispanic or Latino residents account for 8.5%. The Black or African American population (0.4%) is well below the state average of 0.8%.

Education

19.5% 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 35% lower than the state rate of 29.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.6%.