Jefferson Parish Flag

Jefferson Parish

State:
Louisiana

Jefferson Parish's estimated 2025 population is 413,271 with a growth rate of -1.02% in the past year according to the most recent United States census data. Jefferson Parish is the 2nd largest parish in Louisiana. The 2010 population was 432,618 and has seen a growth of -4.47% since that time.

413,271
Total Population
1,373
Population Density (mi²)
2
Population Rank (State)
-4.3K -1.02%
Annual Population Growth

Jefferson Parish Population

Demographics

Economics and Income Statistics