In 2022, Sullivan County, IN had a population of 20.8k people with a median age of 40.9 and a median household income of $54,556. Between 2021 and 2022 the population of Sullivan County, IN declined from 20,814 to 20,791, a −0.111% decrease and its median household income grew from $49,393 to $54,556, a 10.5% increase.
The 5 largest ethnic groups in Sullivan County, IN are White (Non-Hispanic) (90.9%), Black or African American (Non-Hispanic) (3.61%), Two+ (Non-Hispanic) (3.09%), Two+ (Hispanic) (0.923%), and Other (Non-Hispanic) (0.51%).
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.
99.6% of the residents in Sullivan County, IN are U.S. citizens.
In 2022, the median property value in Sullivan County, IN was $115,200, and the homeownership rate was 75.9%.
Most people in Sullivan County, IN drove alone to work, and the average commute time was 25.4 minutes. The average car ownership in Sullivan County, IN was 2 cars per household.
Sullivan County, IN borders Clark County, IL, Crawford County, IL, Clay County, IN, Greene County, IN, Knox County, IN, and Vigo County, IN.