Baton Rouge Metro Area Counties

10 counties · 888,699 people (2025) · 4,368 sq mi

The Baton Rouge metro area (officially the Baton Rouge, LA Metropolitan Statistical Area) has 10 counties in Louisiana, with 888,699 people in 2025. East Baton Rouge Parish is the most populous.

Map of the 10 counties of the Baton Rouge metro area with county names and major cities
The 10 counties of the Baton Rouge metro area (yellow) with the largest cities. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).
PDF (Letter) 259 KBPNG (2400 px) 165 KB

The 10 counties of the Baton Rouge metro area

Sorted by population. 5 are central counties (the urban core); the others are outlying counties tied to it by commuting.

CountyCounty seatPopulation 2025Change since 2020Land area (sq mi)Type
East Baton Rouge ParishBaton Rouge456,180−0.1%456Central
Livingston ParishLivingston155,036+9%648Central
Ascension ParishDonaldsonville135,105+6.8%290Central
Iberville ParishPlaquemine29,579−2.2%617Central
West Baton Rouge ParishPort Allen28,756+5.7%192Central
Assumption ParishNapoleonville19,720−6.3%344Outlying
Pointe Coupee ParishNew Roads19,520−6%556Outlying
East Feliciana ParishClinton18,911−3.2%453Outlying
West Feliciana ParishSt. Francisville15,134−1.1%403Outlying
St. Helena ParishGreensburg10,758−1.4%409Outlying

The metro area is part of the larger Baton Rouge-Hammond, LA 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