St. Mary Parish, Louisiana Cities (2024)

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.)

City
Rank
2024 Pop.
2020 Pop.
Change
Density (/mi²)
Area (mi²)
Type
Morgan City110,69511,406-1.64%1,7876.0City
Franklin26,2296,675-1.77%62510.0City
Patterson35,5475,901-1.58%2,1982.5City
Berwick44,4604,742-1.57%7565.9Town
Bayou Vista53,8364,346-1.52%2,1291.8CDP
Amelia61,9242,236-1.94%7632.5CDP
Baldwin71,6551,749-1.43%5143.2Town
Charenton89091,560-7.25%1835.0CDP
Centerville97243317.58%7690.9CDP
Glencoe10197258-0.51%2980.7CDP

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 10 cities in St. Mary Parish, Louisiana.

Frequently Asked Questions