In 2023, Onaway, MI had a population of 701 people with a median age of 51.8 and a median household income of $40,159. Between 2022 and 2023 the population of Onaway, MI declined from 813 to 701, a −13.8% decrease and its median household income grew from $35,625 to $40,159, a 12.7% increase.
The 5 largest ethnic groups in Onaway, MI are White (Non-Hispanic) (90%), Two+ (Non-Hispanic) (3.42%), Two+ (Hispanic) (3.14%), Asian (Non-Hispanic) (1.28%), and White (Hispanic) (0.999%).
None of the households in Onaway, MI 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.
Most people in Onaway, MI drove alone to work, and the average commute time was 24.8 minutes. The average car ownership in Onaway, MI was 2 cars per household.