In 2022, Martinsburg, MO had a population of 559 people with a median age of 39.5 and a median household income of $31,696. Between 2021 and 2022 the population of Martinsburg, MO declined from 569 to 559, a −1.76% decrease and its median household income grew from $29,229 to $31,696, a 8.44% increase.
The 5 largest ethnic groups in Martinsburg, MO are White (Non-Hispanic) (98.7%), Black or African American (Non-Hispanic) (0.894%), Other (Hispanic) (0.358%), White (Hispanic) (0%), and Black or African American (Hispanic) (0%).
None of the households in Martinsburg, MO 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 Martinsburg, MO are U.S. citizens.
Most people in Martinsburg, MO drove alone to work, and the average commute time was 14.1 minutes. The average car ownership in Martinsburg, MO was 4 cars per household.