In 2020, St. Martin Parish, LA had a population of 53.6k people with a median age of 37.7 and a median household income of $48,884. Between 2019 and 2020 the population of St. Martin Parish, LA declined from 53,732 to 53,607, a −0.233% decrease and its median household income grew from $48,656 to $48,884, a 0.469% increase.
The 5 largest ethnic groups in St. Martin Parish, LA are White (Non-Hispanic) (64.3%), Black or African American (Non-Hispanic) (29.2%), Two+ (Non-Hispanic) (1.93%), White (Hispanic) (1.87%), and Asian (Non-Hispanic) (0.993%).
None of the households in St. Martin Parish, LA 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.
98.9% of the residents in St. Martin Parish, LA are U.S. citizens.
In 2020, the median property value in St. Martin Parish, LA was $123,700, and the homeownership rate was 78.7%.
Most people in St. Martin Parish, LA drove alone to work, and the average commute time was 27.2 minutes. The average car ownership in St. Martin Parish, LA was 2 cars per household.