In 2020, Sullivan County, MO had a population of 6.16k people with a median age of 42.3 and a median household income of $44,056. Between 2019 and 2020 the population of Sullivan County, MO declined from 6,247 to 6,163, a −1.34% decrease and its median household income declined from $46,481 to $44,056, a −5.22% decrease.
The 5 largest ethnic groups in Sullivan County, MO are White (Non-Hispanic) (76.7%), White (Hispanic) (12.7%), Black or African American (Non-Hispanic) (3.05%), Other (Hispanic) (2.92%), and Two+ (Hispanic) (2.48%).
None of the households in Sullivan County, MO reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
96.5% of the residents in Sullivan County, MO are U.S. citizens.
In 2020, the median property value in Sullivan County, MO was $75,600, and the homeownership rate was 73.7%.
Most people in Sullivan County, MO drove alone to work, and the average commute time was 17.8 minutes. The average car ownership in Sullivan County, MO was 2 cars per household.
Sullivan County, MO borders Adair County, MO, Grundy County, MO, Linn County, MO, Mercer County, MO, and Putnam County, MO.