New Orleans Metro Area Counties

7 counties · 970,849 people (2025) · 2,359 sq mi

The New Orleans metro area (officially the New Orleans-Metairie, LA Metropolitan Statistical Area) has 7 counties in Louisiana, with 970,849 people in 2025. Jefferson Parish is the most populous.

Map of the 7 counties of the New Orleans metro area with county names and major cities
The 7 counties of the New Orleans metro area (yellow) with the largest cities. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).
PDF (Letter) 217 KBPNG (2400 px) 150 KB

The 7 counties of the New Orleans metro area

Sorted by population.

CountyCounty seatPopulation 2025Change since 2020Land area (sq mi)Type
Jefferson ParishGretna431,398−2.1%301Central
Orleans ParishNew Orleans362,154−5.7%170Central
St. Charles ParishHahnville50,586−3.7%278Central
St. Bernard ParishChalmette45,642+4.3%378Central
St. John the Baptist ParishEdgard39,875−6.1%215Central
Plaquemines ParishPointe à la Hache22,256−5.5%781Central
St. James ParishConvent18,938−6.2%238Central

The metro area is part of the larger New Orleans-Metairie-Slidell, LA-MS Combined Statistical Area.

Printable map

The PDF is a vector file for Letter paper; the PNG is 2400 pixels wide. Both are free to use with a credit to WhichCounty.

County maps of Louisiana

Other metro areas

All 97 metro area county maps

Sources