Cities in St. Mary Parish, Louisiana by Population (2024)

There are 15 cities in St. Mary Parish, Louisiana.

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Morgan City1Louisiana10,69511,406-1.64%1,7875.98
Franklin2Louisiana6,2296,675-1.77%6259.96
Patterson3Louisiana5,5475,901-1.58%2,1982.52
Jeanerette4Louisiana4,5174,795-1.53%1,9572.31
Berwick5Louisiana4,4604,742-1.57%7565.90
Bayou Vista6Louisiana3,8294,346-1.59%2,1251.80
Amelia7Louisiana2,0102,2360.25%7972.52
Bayou L'Ourse8Louisiana1,8472,231-4.94%6782.72
Baldwin9Louisiana1,6551,749-1.43%5143.22
Lydia10Louisiana1,0161,3262.01%5971.70
Centerville11Louisiana83133114.46%8820.94
Charenton12Louisiana5421,560-31.91%1094.97
Sorrel13Louisiana514560-2.1%2432.12
Siracusaville14Louisiana351387-2.5%4390.80
Glencoe15Louisiana140258-17.16%2110.66

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in St. Mary Parish, Louisiana?

Morgan City is the largest city in St. Mary Parish.

What is the smallest city in St. Mary Parish, Louisiana?

Glencoe is the smallest city in St. Mary Parish.

How many cities are in St. Mary Parish?

There are 15 cities in St. Mary Parish, Louisiana.

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