In 2023, Westby, MT had a population of 253 people with a median age of 53.7 and a median household income of $24,583. Between 2022 and 2023 the population of Westby, MT grew from 213 to 253, a 18.8% increase and its median household income declined from $40,625 to $24,583, a −39.5% decrease.
The 5 largest ethnic groups in Westby, MT 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 Westby, MT 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 Westby, MT are U.S. citizens.
In 2023, the median property value in Westby, MT was $61,900, and the homeownership rate was 87.8%.
Most people in Westby, MT drove alone to work, and the average commute time was 17.7 minutes. The average car ownership in Westby, MT was 4 cars per household.