In 2019, Ottawa, KS had a population of 25.6k people with a median age of 40 and a median household income of $56,582. Between 2018 and 2019 the population of Ottawa, KS declined from 25,563 to 25,558, a −0.0196% decrease and its median household income grew from $55,486 to $56,582, a 1.98% increase.
The 5 largest ethnic groups in Ottawa, KS are White (Non-Hispanic) (91%), Two+ (Non-Hispanic) (3.02%), White (Hispanic) (2.39%), Other (Hispanic) (1.07%), and Black or African American (Non-Hispanic) (0.798%). 0% of the households in Ottawa, KS speak a non-English language at home as their primary language.
99.2% of the residents in Ottawa, KS are U.S. citizens.
In 2019, the median property value in Ottawa, KS was $128,000, and the homeownership rate was 72.3%. Most people in Ottawa, KS drove alone to work, and the average commute time was 23 minutes. The average car ownership in Ottawa, KS was 2 cars per household.