St. John the Baptist Parish, Louisiana Demographics 2026

Population Overview

St. John the Baptist Parish is located in Louisiana with a total population of 41,342. It is the 27th most populous county out of 64 in Louisiana.

Age Demographics

The median age in St. John the Baptist Parish is 38.5 years. This is 2% higher than the state median of 37.8 years.

Economy, Income & Housing

The median household income in St. John the Baptist Parish is $67,418. This is 12% higher than the state median of $60,023. Compared to the national median of $78,538, household income here is 14% lower. The poverty rate stands at 12.6%. This is 33% lower than the state poverty rate of 18.9%. The unemployment rate is 9.0%. This is 43% higher than the state rate of 6.3%. The median home value is $184,000. Housing costs are 12% lower than the state median of $208,700. With a home-value-to-income ratio of just 2.7x, St. John the Baptist Parish is one of the most affordable housing markets in the area. 79.7% of occupied housing units are owner-occupied. This homeownership rate is 18% higher than the state average of 67.3%.

Race & Ethnicity

The largest racial or ethnic group in St. John the Baptist Parish is Black or African American, making up 55.9% of the population. White (non-Hispanic) residents account for 30.3%. The Black or African American population is significantly higher than the state average (55.9% vs 30.8%).

Education

18.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 29% lower than the state rate of 26.6%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 86.7%.