St. Charles Parish, Louisiana
Located in Louisiana, St. Charles Parish has a population of 51,396 residents and a median age of 39.7 years, making it the #997 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 11.7%. The median home value is $263,700, and the median household income is $80,897, which is 8% above the national median.
Demographics
St. Charles Parish has a population of 51,396, making it the #997 most populous county in the US. The median age is 39.7 years, which is 2.1% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in St. Charles Parish is $80,897, ranking #544 out of 3,222 counties — 7.6% above the national median. The poverty rate is 11.7% and unemployment stands at 6.7%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in St. Charles Parish is $263,700 (-6.5% vs national). Renters pay a median of $1,210/mo and the homeownership rate is 82.1%.
Median Home Value Trend
Rankings →Household Type
Education
In St. Charles Parish, 26.9% of adults age 25+ hold a bachelor's degree or higher, which is 20.3% below the national average, ranking #1,024 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in St. Charles Parish is 75.3 years. 18.0% of adults report poor or fair health and 5.5% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
15.6% of adults in St. Charles Parish smoke , 37.3% are obese , and 22.4% report excessive drinking. The drug overdose death rate is 45.4 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in St. Charles Parish is 8.7 per 100,000 and the suicide rate is 13.0 per 100,000. Motor vehicle deaths occur at a rate of 13.6 per 100,000.
Homicide Rate Trend
Families & Children
19.0% of children in St. Charles Parish live in poverty and the infant mortality rate is 6.0 per 1,000 live births. The teen birth rate is 14.2 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in St. Charles Parish is 72.5%. The mean commute time is 28.9 min, which is 4.7% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, St. Charles Parish voted Republican with a margin of 32.4%. The vote was 33% Dem / 65.4% Rep. Compared to 2020, the margin shifted 2.9 toward Republicans .
Vote Share Over Time
About St. Charles Parish, Louisiana
St. Charles Parish, Louisiana has a total population of 51,396, making it the 997th most populous county in the United States. The median age in St. Charles Parish is 39.7 years, which is 2.1% above the national median of 38.9 years.
The median household income in St. Charles Parish is $80,897, which ranks #544 of 3,222 counties nationwide. This is 7.6% above the national median of $75,149. The poverty rate is 11.7%, lower than the national rate of 12.6%. The unemployment rate stands at 6.7%.
The median home value in St. Charles Parish is $263,700, 6.5% below the national median. Renters in St. Charles Parish pay a median gross rent of $1,210 per month. The homeownership rate is 82.1%, compared to the national rate of 64.4%.
In St. Charles Parish, 26.9% of residents aged 25 and older hold a bachelor's degree or higher, 20.3% below the national average of 33.7%. Health insurance coverage stands at 93.0% of the population. The average commute time for workers is 28.9 min.
St. Charles Parish is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 62.5% of the population, followed by Black (non-Hispanic) (22.1%) and Hispanic or Latino (8.2%).
All data for St. Charles Parish, Louisiana comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.