In 2023, Onaka, SD had a population of 23 people with a median age of 13.5 and a median household income of N/A. Between 2022 and 2023 the population of Onaka, SD grew from 22 to 23, a 4.55% increase and its median household income N/A from N/A to N/A, a N/A% N/A.
The 5 largest ethnic groups in Onaka, SD are White (Non-Hispanic) (100%), White (Hispanic) (0%), Black or African American (Non-Hispanic) (0%), Black or African American (Hispanic) (0%), and American Indian & Alaska Native (Non-Hispanic) (0%).
None of the households in Onaka, SD 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 Onaka, SD are U.S. citizens.
Most people in Onaka, SD worked at home, and the average commute time was 26.6 minutes. The average car ownership in Onaka, SD was 1 car per household.