In 2019, Platte County, WY had a population of 8.58k people with a median age of 49.2 and a median household income of $50,903. Between 2018 and 2019 the population of Platte County, WY declined from 8,673 to 8,582, a −1.05% decrease and its median household income grew from $47,096 to $50,903, a 8.08% increase.
The 5 largest ethnic groups in Platte County, WY are White (Non-Hispanic) (88.5%), White (Hispanic) (7.73%), Two+ (Non-Hispanic) (2.18%), Asian (Non-Hispanic) (1.17%), and Two+ (Hispanic) (0.28%). 0% of the households in Platte County, WY speak a non-English language at home as their primary language, and 98.4% of the residents in Platte County, WY are U.S. citizens.
In 2019, the median property value in Platte County, WY was $188,500, and the homeownership rate was 74.8%. Most people in Platte County, WY drove alone to work, and the average commute time was 18 minutes. The average car ownership in Platte County, WY was 3 cars per household.