About Jefferson Parish
Jefferson Parish is a city located in United States, in the Louisiana region. According to the latest available data (2026), the population of Jefferson Parish is approximately 440,781 residents, making it the #169 most populous city in United States.
Globally, Jefferson Parish ranks #4,209 among the world's most populated cities.
Jefferson Parish City Statistics
| City | Jefferson Parish |
| Country |  United States |
| Population | 440,781 |
| Global Rank | #4,209 |
| Rank in United States | #169 of 867 cities |
| City Category | city |
| Region | Louisiana |
| Latitude | 29.7333 |
| Longitude | -90.1 |
| Data Year | 2026 |
Where is Jefferson Parish Located?
Jefferson Parish is located in United States, in the Louisiana region, at coordinates 29.7333° latitude and -90.1° longitude. Jefferson Parish sits in the subtropics, typically enjoying warm temperatures year-round.
Nearby Cities
Other Cities in United States
Largest Cities in United States
| # | City | Population |
|---|---|---|
| 1 | Harris County | 4,731,145 |
| 2 | Los Angeles | 3,898,747 |
| 3 | San Diego County | 3,298,634 |
| 4 | Brooklyn | 2,736,074 |
| 5 | Miami-Dade County | 2,701,767 |
Frequently Asked Questions
What is the population of Jefferson Parish?
The population of Jefferson Parish is approximately 440,781 residents according to the latest available data (2026).
Where is Jefferson Parish located?
Jefferson Parish is located in United States at approximately 29.7333° latitude and -90.1° longitude.
Is Jefferson Parish one of the largest cities in United States?
With a population of 440,781, Jefferson Parish is one of the notable urban areas in United States. It ranks #169 out of 867 cities in the country.
