Total Population in Jefferson Parish, LA
ACS 2024 5-Year Estimates
430,920
Rank #168/3,222 · #2 in LA
95th
Jefferson 430,920
LA 4,611,961 -90.7%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Jefferson Parish's total population of 430,920 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Jefferson Parish for total population.
Nearby Rankings
Full ranking →| #165 | Monterey County, CA | 437,613 |
| #166 | Berks County, PA | 433,015 |
| #167 | Loudoun County, VA | 432,998 |
| #168 | Jefferson Parish, LA | 430,920 |
| #169 | Manatee County, FL | 429,792 |
| #170 | Lucas County, OH | 428,018 |
| #171 | Osceola County, FL | 427,415 |
About Total Population
Jefferson Parish, Louisiana has a total population of 430,920, ranking #168 of 3,222 counties nationwide — 99.9% below the national value of 330M. Within Louisiana, it ranks #2 of 64. This places it in the 95th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.