In 2017, Belle Fourche, SD had a population of 5.62k people with a median age of 39.4 and a median household income of $41,145. Between 2016 and 2017 the population of Belle Fourche, SD declined from 5,696 to 5,622, a -1.3% decrease and its median household income declined from $41,346 to $41,145, a -0.486% decrease.
The population of Belle Fourche, SD is 90.5% White Alone, 5.25% Hispanic or Latino, and 1.96% American Indian & Alaska Native Alone. 1.37% of the people in Belle Fourche, SD speak a non-English language, and 99.6% are U.S. citizens.
The median property value in Belle Fourche, SD is $113,600, and the homeownership rate is 68.2%. Most people in Belle Fourche, SD commute by Drove Alone, and the average commute time is 17.9 minutes. The average car ownership in Belle Fourche, SD is 2 cars per household.