In 2018, Marshall County, SD had a population of 4.9k people with a median age of 39.7 and a median household income of $63,594. Between 2017 and 2018 the population of Marshall County, SD grew from 4,759 to 4,895, a 2.86% increase and its median household income grew from $60,948 to $63,594, a 4.34% increase.
The 5 largest ethnic groups in Marshall County, SD are White (Non-Hispanic) (82.2%), American Indian & Alaska Native (Non-Hispanic) (6.95%), Other (Hispanic) (4.72%), White (Hispanic) (3.6%), and Two+ (Non-Hispanic) (1.02%). NaNk% of the people in Marshall County, SD speak a non-English language, and 95.8% are U.S. citizens.
The median property value in Marshall County, SD is $113,900, and the homeownership rate is 72.2%. Most people in Marshall County, SD commute by Drove Alone, and the average commute time is 14.8 minutes. The average car ownership in Marshall County, SD is 2 cars per household.