In 2021, Sullivan County, IN had a population of 20.8k people with a median age of 40.6 and a median household income of $49,393. Between 2020 and 2021 the population of Sullivan County, IN grew from 20,647 to 20,814, a 0.809% increase and its median household income declined from $49,449 to $49,393, a −0.113% decrease.
The 5 largest ethnic groups in Sullivan County, IN are White (Non-Hispanic) (91.2%), Black or African American (Non-Hispanic) (3.5%), Two+ (Non-Hispanic) (3.11%), Two+ (Hispanic) (0.87%), and White (Hispanic) (0.658%).
None of the households in Sullivan County, IN 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.
99.7% of the residents in Sullivan County, IN are U.S. citizens.
In 2021, the median property value in Sullivan County, IN was $94,100, and the homeownership rate was 75%.
Most people in Sullivan County, IN drove alone to work, and the average commute time was 24.6 minutes. The average car ownership in Sullivan County, IN was 2 cars per household.