In 2019, Niobrara County, WY had a population of 2.42k people with a median age of 45.5 and a median household income of $39,150. Between 2018 and 2019 the population of Niobrara County, WY declined from 2,448 to 2,422, a −1.06% decrease and its median household income declined from $39,359 to $39,150, a −0.531% decrease.
The 5 largest ethnic groups in Niobrara County, WY are White (Non-Hispanic) (90.6%), White (Hispanic) (3.39%), American Indian & Alaska Native (Non-Hispanic) (3.3%), Native Hawaiian & Other Pacific Islander (Non-Hispanic) (1.03%), and Black or African American (Non-Hispanic) (0.578%). 0% of the households in Niobrara County, WY speak a non-English language at home as their primary language.
100% of the residents in Niobrara County, WY are U.S. citizens.
In 2019, the median property value in Niobrara County, WY was $156,300, and the homeownership rate was 77.5%. Most people in Niobrara County, WY drove alone to work, and the average commute time was 12 minutes. The average car ownership in Niobrara County, WY was 2 cars per household.