In 2021, Onaga, KS had a population of 703 people with a median age of 58.7 and a median household income of $44,107. Between 2020 and 2021 the population of Onaga, KS declined from 709 to 703, a −0.846% decrease and its median household income grew from $41,583 to $44,107, a 6.07% increase.
The 5 largest ethnic groups in Onaga, KS are White (Non-Hispanic) (96.6%), Two+ (Non-Hispanic) (2.56%), White (Hispanic) (0.427%), American Indian & Alaska Native (Non-Hispanic) (0.427%), and Black or African American (Non-Hispanic) (0%).
None of the households in Onaga, KS 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.
100% of the residents in Onaga, KS are U.S. citizens.
In 2021, the median property value in Onaga, KS was $80,000, and the homeownership rate was 49.8%.
Most people in Onaga, KS drove alone to work, and the average commute time was 15.6 minutes. The average car ownership in Onaga, KS was 2 cars per household.