In 2019, Brown County, KS had a population of 9.63k people with a median age of 42.1 and a median household income of $48,333. Between 2018 and 2019 the population of Brown County, KS declined from 9,664 to 9,626, a −0.393% decrease and its median household income declined from $48,547 to $48,333, a −0.441% decrease.
The 5 largest ethnic groups in Brown County, KS are White (Non-Hispanic) (83%), American Indian & Alaska Native (Non-Hispanic) (7.46%), Two+ (Non-Hispanic) (3.57%), White (Hispanic) (2.33%), and American Indian & Alaska Native (Hispanic) (1.3%). 0% of the households in Brown County, KS speak a non-English language at home as their primary language.
99.3% of the residents in Brown County, KS are U.S. citizens.
In 2019, the median property value in Brown County, KS was $88,500, and the homeownership rate was 70.2%. Most people in Brown County, KS drove alone to work, and the average commute time was 16.8 minutes. The average car ownership in Brown County, KS was 2 cars per household.
Brown County, KS borders Atchison County, KS, Doniphan County, KS, Jackson County, KS, Nemaha County, KS, and Richardson County, NE.