How many people live in ?

Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 50,400 people living in St. Charles Parish, LA. That makes St. Charles Parish the 21st-most populous parish in Louisiana. It is home to 1.1% of people living in the state.

50.4K

population of St. Charles Parish, LA (2024)

1.1%

County share of the Louisiana population (2024)

About 50,400 people lived in St. Charles Parish, LA in 2024.

Population estimates, 2000–2024

What are St. Charles Parish, LA’s age demographics?

About 8,600 St. Charles Parish residents are aged 65 and older in 2024. That represents 17.1% of its population. For comparison, the age group represents 17.8% of Louisiana’s population and 18% in the US overall.
Another 11,800 St. Charles Parish, LA residents, or 23.4% of the population, were children under 18. For comparison, the age group represents 23.3% of Louisiana’s population and 21.6% in the US overall.

A higher share of St. Charles Parish, LA's population is aged under 18 than the US as a whole.

Population estimates by age group, (2024)

What are St. Charles Parish, LA’s racial and ethnic demographics?

Non-Hispanic white residents make up 63.7% of the St. Charles Parish, LA population, higher than the national share of 57.5%. St. Charles Parish, LA also has a larger share of people identifying as non-Hispanic Black or African American (24.5%) than the US overall (12.6%).
In contrast, St. Charles Parish’s Hispanic population accounts for 8.8%, below the 20% nationwide, and the non-Hispanic Asian population makes up 1.2% of the parish, compared with 6.5% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.

St. Charles Parish, LA has a higher share of a non-Hispanic white population than Louisiana as a whole.

Population estimates by race and ethnicity, (2024)

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Methodology

USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.

The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.

Page sources

USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.