St. Mary Parish, Louisiana Population 2022

St. Mary Parish, Louisiana's estimated population is 47,869 with a growth rate of -1.02% 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 54,550 and has seen a growth of -12.25% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
18306,4420.00%
18408,9502,50838.93%
185013,6974,74753.04%
186016,8163,11922.77%
187013,860-2,956-17.58%
188019,8916,03143.51%
189022,4162,52512.69%
190034,14511,72952.32%
191039,3685,22315.30%
192030,754-8,614-21.88%
193029,397-1,357-4.41%
194031,4582,0617.01%
195035,8484,39013.96%
196048,83312,98536.22%
197060,75211,91924.41%
198064,2533,5015.76%
199058,086-6,167-9.60%
201054,550-3,536-6.09%
201154,187-363-0.67%
201253,562-625-1.15%
201353,581190.04%
201453,273-308-0.57%
201552,876-397-0.75%
201652,069-807-1.53%
201750,708-1,361-2.61%
201849,841-867-1.71%
201949,348-493-0.99%
202048,855-493-1.00%
202148,362-493-1.01%
202247,869-493-1.02%
map placeholder

St. Mary Parish, Louisiana Population Growth

Population by Race

Race Population Percentage
White29,31658.61%
Black or African American15,58931.17%
American Indian and Alaska Native7911.58%
Asian7311.46%
Native Hawaiian and Other Pacific Islander80.02%
Some Other Race1,6253.25%
Two or More Races1,9603.92%
Loading...

St. Mary Parish, Louisiana Population by Race

St. Mary Parish, Louisiana Population Pyramid 2022

Loading...

St. Mary Parish, Louisiana Median Age

39.4


Total

38.4


Male

40.3


Female

St. Mary Parish, Louisiana Adults

There are 38,005 adults, (8,387 of whom are seniors) in St. Mary Parish, Louisiana.

St. Mary Parish, Louisiana Age Dependency

Age Dependency Ratio

28.3

Old Age Dependency Ratio

40.6

Child Dependency Ratio

St. Mary Parish, Louisiana Sex Ratio

Female

25,337

50.65%

Male

24,683

49.35%

St. Mary Parish, Louisiana Population by Age

St. Mary Parish, Louisiana Renter vs Owner Occupied by Household Type

map placeholder

St. Mary Parish, Louisiana Household Types

Type Owner Renter
Married81.3%18.7%
Male62.7%37.3%
All60.7%39.3%
Female57.1%42.9%
Non Family45.4%54.6%

60.7%

Rate of Home Ownership

St. Mary Parish, Louisiana Households and Families

Type Count Average Size Owned
All19,6332.5160.7
Married6,9833.4981.3
Male1,1243.8362.7
Female2,5654.1457.1
Non Family8,9611.145.4

3.6

Average Family Size

2.51

Average Household Size

Loading...

St. Mary Parish, Louisiana Households by Type

Loading...
Education Attained Count Percentage
Less Than 9th Grade1,9585.74%
9th to 12th Grade4,16212.21%
High School Graduate17,40851.07%
Some College5,08414.92%
Associates Degree2,1356.26%
Bachelors Degree2,2666.65%
Graduate Degree1,0733.15%
Loading...

St. Mary Parish, Louisiana Educational Attainment by Sex (over 25)

St. Mary Parish, Louisiana Educational Attainment by Race

Loading...
Race Total High School Bachelors
Islander885
White20,21817,0972,303
Black10,2528,537848
2+ Races59854047
Asian57724440
Hispanic1,9831,271103
Native American49241718
Other Race1,154658

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among islander people with a rate of 62.50%.

St. Mary Parish, Louisiana Educational Attainment by Race

Loading...
Name Average Male Female
Overall$35,903$44,083$26,943
Less Than 9th Grade$20,700$39,688$16,397
High School Graduate$38,350$47,786$30,762
Some College$31,014$44,167$22,932
Bachelors Degree$41,490$45,394$40,750
Graduate Degree$46,016$53,322$45,087

$35,903

Average Earnings

$44,083

Average Male

$26,943

Average Female

St. Mary Parish, Louisiana Earnings by Educational Attainment

St. Mary Parish, Louisiana Language by Age

Loading...

St. Mary Parish, Louisiana Language

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.

St. Mary Parish, Louisiana Language

St. Mary Parish, Louisiana Poverty by Race

Loading...
Name Total In Poverty Poverty Rate
Islander8787.50%
Asian73122530.78%
Black15,2424,12727.08%
Multiple1,88844523.57%
Hispanic3,47461617.73%
White27,6294,24015.35%
Native78011114.23%
Other418NaN%

19.78%

Overall Poverty Rate

18.61%

Male Poverty Rate

20.90%

Female Poverty Rate

Poverty in St. Mary Parish, Louisiana

The race most likely to be in poverty in St. Mary Parish, Louisiana is Islander, with 87.50% below the poverty level.

The race least likely to be in poverty in St. Mary Parish, Louisiana is Other, with NaN% 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 16.60%, and for those that did not work, the poverty rate was 32.43%.

St. Mary Parish, Louisiana Poverty

Loading...
Name Poverty
Less Than 9th Grade25.50%
High School17.67%
Some College14.34%
Bachelors or Greater8.42%

St. Mary Parish, Louisiana Poverty Rate by Education

Loading...
Rate Poverty
Male Employed4.27%
Male Unemployed24.48%
Female Employed8.21%
Female Unemployed42.39%

St. Mary Parish, Louisiana Poverty Rate by Employment Status and Sex

St. Mary Parish, Louisiana Income by Household Type

Loading...
Name Median Mean
Households$40,218$53,459
Families$51,412$67,350
Married Families$65,645-
Non Families$28,625$35,616
Loading...

Income by Household Type

St. Mary Parish, Louisiana Marital Status

map placeholder

Marriage Rates

37.6%

Overall Marriage Rate

40.0%

Male Marriage Rate

35.3%

Female Marriage Rate

St. Mary Parish, Louisiana Married by Age and Sex

Loading...

St. Mary Parish, Louisiana Marriage

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.

St. Mary Parish, Louisiana Marital Status by Race

map placeholder

St. Mary Parish, Louisiana Marital Status

Loading...

2,267

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War183
First Gulf War497
Vietnam875
Korea320
World War II17

St. Mary Parish, Louisiana Veterans by War

Loading...
Age Group Veterans
18 to 3461
35 to 54556
55 to 64323
65 to 74699
75+628

St. Mary Parish, Louisiana Veterans by Age

Loading...
Name Veterans % of Total
White1,5966.90%
Black6235.37%
Native American234.30%
Asian71.10%
2+ Races182.27%
Hispanic713.18%

St. Mary Parish, Louisiana Veterans by Race

St. Mary Parish, Louisiana Veterans by Education

Loading...

9.37%

Veteran Poverty Rate

35.52%

Veteran Disability Rate

St. Mary Parish, Louisiana Veterans by Education

Loading...

52.9%

Labor Force Participation

49.2%

Employment Rate

6.7%

Unemployment Rate

St. Mary Parish, Louisiana Employment by Age

Loading...

St. Mary Parish, Louisiana Employment by Race

Loading...

St. Mary Parish, Louisiana Employment by Education

Origin of Non-Citizens

Loading...

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Loading...

85.79%

Born in St. Mary Parish, Louisiana

96.02%

Native Born

3.98%

Foreign Born

2.61%

Non Citizen

1.38%

Naturalized

Place of Birth

96.02% of St. Mary Parish, Louisiana residents were born in the United States, with 85.79% having been born in Louisiana. 2.61% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

St. Mary Parish, Louisiana Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources