St. Mary Parish, Louisiana's estimated 2023 population is 47,834 with a growth rate of -1.08% in the past year according to the most recent United States census data. St. Mary Parish, Louisiana is the 23rd largest county in Louisiana. The 2010 population was 54,650 and has seen a growth of -12.47% since that time.
White
Black or African American
Two or more races
Other race
Native American
Asian
Native Hawaiian or Pacific Islander
3.6
Average Family Size
2.51
Average Household Size
60.7%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among islander people with a rate of 100%.
The highest rate of bachelors degrees is among islander people with a rate of 62.5%.
All
Male
Female
$35,903
Average Earnings
$44,083
Average Male
$26,943
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
91.77% of St. Mary Parish, Louisiana residents speak only English, while 8.23% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 4.87% of the population.
rate
24.36%
Overall Poverty Rate
18.61%
Male Poverty Rate
20.9%
Female Poverty Rate
The race most likely to be in poverty in St. Mary Parish, Louisiana is Islander, with 87.5% below the poverty level.
The race least likely to be in poverty in St. Mary Parish, Louisiana is White, with 18.21% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 3.07%. Among those working part-time, it was 16.6%, and for those that did not work, the poverty rate was 32.43%.
rate
rate
Households
Families
MarriedFamilies
NonFamilies
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
37.6%
Overall Marriage Rate
40.0%
Male Marriage Rate
35.3%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
2,267
Number of Veterans
2,120
Male Veterans
147
Female Veterans
count
count
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
9.37%
Veteran Poverty Rate
35.52%
Veteran Disability Rate
LaborForceParticipation
52.9%
Labor Force Participation
49.2%
Employment Rate
6.7%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
86.85%
Born in St. Mary Parish, Louisiana
97.21%
Native Born
4.03%
Foreign Born
2.64%
Non Citizen
1.39%
Naturalized
97.21% of St. Mary Parish, Louisiana residents were born in the United States, with 86.85% having been born in Louisiana. 2.64% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.