Jefferson Parish, Louisiana Demographics 2026

Population Overview

Jefferson Parish is located in Louisiana with a total population of 432,484. It is the 2nd most populous county out of 64 in Louisiana.

Age Demographics

The median age in Jefferson Parish is 39.9 years. This is 6% higher than the state median of 37.8 years.

Economy, Income & Housing

The median household income in Jefferson Parish is $65,246. This is 9% higher than the state median of $60,023. Compared to the national median of $78,538, household income here is 17% lower. The poverty rate stands at 16.3%. This is 14% lower than the state poverty rate of 18.9%. The unemployment rate is 5.9%. This is 7% lower than the state rate of 6.3%. The median home value is $243,500. Housing costs are 17% higher than the state median of $208,700. The home-value-to-income ratio is 3.7x. 62.3% of occupied housing units are owner-occupied. This homeownership rate is 7% lower than the state average of 67.3%.

Race & Ethnicity

The largest racial or ethnic group in Jefferson Parish is White (non-Hispanic), making up 48.1% of the population. Black or African American residents account for 25.6%. The Hispanic or Latino population is significantly higher than the state average (18.2% vs 7.0%). The Asian population is significantly higher than the state average (4.2% vs 1.7%).

Education

29.9% of residents aged 25 and older hold a bachelor's degree or higher. This places Jefferson Parish in the top 10% of all cities in the state for educational attainment. This is 13% higher 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 86.5%.