In 2018, Sullivan County, MO had a population of 6.32k people with a median age of 42.6 and a median household income of $42,604. Between 2017 and 2018 the population of Sullivan County, MO declined from 6,382 to 6,317, a -1.02% decrease and its median household income grew from $42,034 to $42,604, a 1.36% increase.
The 5 largest ethnic groups in Sullivan County, MO are White (Non-Hispanic) (77%), White (Hispanic) (14.3%), Other (Hispanic) (3.02%), Black or African American (Non-Hispanic) (2.91%), and Two+ (Hispanic) (0.681%). NaNk% of the people in Sullivan County, MO speak a non-English language, and 96.5% are U.S. citizens.
The median property value in Sullivan County, MO is $75,400, and the homeownership rate is 71.8%. Most people in Sullivan County, MO commute by Drove Alone, and the average commute time is 15.8 minutes. The average car ownership in Sullivan County, MO is 2 cars per household.
Sullivan County, MO borders Adair County, MO, Grundy County, MO, Linn County, MO, Mercer County, MO, and Putnam County, MO.