St. James Parish, Louisiana
Located in Louisiana, St. James Parish has a population of 19,528 residents and a median age of 40.8 years, making it the #1,909 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 11.1%. The median home value is $211,800, and the median household income is $65,531, which is 13% below the national median.
Demographics
St. James Parish has a population of 19,528, making it the #1,909 most populous county in the US. The median age is 40.8 years, which is 4.9% 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. James Parish is $65,531, ranking #1,590 out of 3,222 counties — 12.8% below the national median. The poverty rate is 11.1% and unemployment stands at 4.1%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in St. James Parish is $211,800 (-24.9% vs national). Renters pay a median of $903/mo and the homeownership rate is 84.4%.
Median Home Value Trend
Rankings →Household Type
Education
In St. James Parish, 19.5% of adults age 25+ hold a bachelor's degree or higher, which is 42.2% below the national average, ranking #2,090 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in St. James Parish is 74.5 years. 21.5% of adults report poor or fair health and 6.0% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
19.3% of adults in St. James Parish smoke , 43.9% are obese , and 20.0% report excessive drinking. The drug overdose death rate is 38.4 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in St. James Parish is 19.3 per 100,000 and the suicide rate is 10.7 per 100,000. Motor vehicle deaths occur at a rate of 22.8 per 100,000.
Homicide Rate Trend
Families & Children
23.0% of children in St. James Parish live in poverty and the infant mortality rate is 13.2 per 1,000 live births. The teen birth rate is 18.4 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in St. James Parish is 77.6%. The mean commute time is 30.8 min, which is 11.7% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, St. James Parish voted Republican with a margin of 1.0%. The vote was 49.1% Dem / 50.1% Rep. Compared to 2020, the margin shifted 5.4 toward Republicans .
Vote Share Over Time
About St. James Parish, Louisiana
St. James Parish, Louisiana has a total population of 19,528, making it the 1,909th most populous county in the United States. The median age in St. James Parish is 40.8 years, which is 4.9% above the national median of 38.9 years.
The median household income in St. James Parish is $65,531, which ranks #1,590 of 3,222 counties nationwide. This is 12.8% below the national median of $75,149. The poverty rate is 11.1%, lower than the national rate of 12.6%. The unemployment rate stands at 4.1%.
The median home value in St. James Parish is $211,800, 24.9% below the national median. Renters in St. James Parish pay a median gross rent of $903 per month. The homeownership rate is 84.4%, compared to the national rate of 64.4%.
In St. James Parish, 19.5% of residents aged 25 and older hold a bachelor's degree or higher, 42.2% below the national average of 33.7%. Health insurance coverage stands at 95.3% of the population. The average commute time for workers is 30.8 min.
St. James Parish is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 49.3% of the population, followed by Black (non-Hispanic) (47.4%) and Hispanic or Latino (2.0%).
All data for St. James 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.