St. Martin Parish, Louisiana Population 2024

50,865

St. Martin Parish, Louisiana's estimated 2024 population is 50,865 with a growth rate of -0.38% in the past year according to the most recent United States census data. St. Martin Parish, Louisiana is the 20th largest county in Louisiana. The 2010 population was 52,263 and has seen a growth of -2.67% since that time.

Note: data after 2022 is projected based on recent change

39 Rows

Year
Population
Growth
Change
202949,905-192-0.38%
202850,097-192-0.38%
202750,289-192-0.38%
202650,481-192-0.38%
202550,673-192-0.38%
202450,865-192-0.38%
202351,057-192-0.37%
202251,249-313-0.61%
202151,562-72-0.14%
202051,634-1,863-3.48%
201953,497-132-0.25%
201853,629-496-0.92%
201754,1252960.55%
201653,829-62-0.12%
201553,8915821.09%
201453,3093590.68%
201352,9502860.54%
201252,664-140-0.27%
201152,8045411.04%
201052,26300%
199043,9783,7649.36%
198040,2147,76123.91%
197032,4533,39011.66%
196029,0632,71010.28%
195026,353-41-0.16%
194026,3944,62721.26%
193021,767-223-1.01%
192021,990-1,080-4.68%
191023,0704,13021.81%
190018,9404,05627.25%
189014,8842,22117.54%
188012,6633,29335.14%
18709,370-3,304-26.07%
186012,6749137.76%
185011,7613,08735.59%
18408,6741,46920.39%
18307,205-4,858-40.27%
182012,0634,69463.7%
18107,369-42,536-85.23%
2024 Growth Rate
-0.38% (-192)
County Website
St. Martin Parish
2020 Population
51,634
Area
737 mi²
Density
69 people/mi²
Growth Since 2020
-1.49% (-769)
Founded
1811

Population by Race

Race
Population
Percentage (of total)
White34,23066.01%
Black or African American14,90328.74%
Two or more races1,8443.56%
Asian4930.95%
Other race1770.34%
Native American1350.26%
Native Hawaiian or Pacific Islander740.14%

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

St. Martin Parish, Louisiana Population by Race

St. Martin Parish, Louisiana Population Pyramid 2024

St. Martin Parish, Louisiana Median Age

39.5

Total

38.7

Male

40.3

Female

St. Martin Parish, Louisiana Adults

There are 39,420 adults, (8,411 of whom are seniors) in St. Martin Parish, Louisiana.

St. Martin Parish, Louisiana Age Dependency

67.2

Age Dependency Ratio

27.1

Old Age Dependency Ratio

40.1

Child Dependency Ratio

St. Martin Parish, Louisiana Sex Ratio

Female26,41450.94%
Male25,44249.06%

St. Martin Parish, Louisiana Population by Age

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

Household Type
Count
Average Size
Owner
Renter
All19,8742.678.221.8
Married8,9043.2688.411.6
Non Family6,9301.1670.129.9
Female2,7433.5965.134.9
Male1,2973.7179.220.8

3.26

Average Family Size

2.6

Average Household Size

78.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

St. Martin Parish, Louisiana Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade3,90111.08%
Associates Degree1,9765.61%
Bachelors Degree3,61510.27%
Graduate Degree1,3823.93%
High School Graduate16,22346.1%
Less Than 9th Grade2,1556.12%
Some College5,94016.88%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

St. Martin Parish, Louisiana Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White23,73220,6713,878
Black9,2007,063911
2+ Races1,16068795
Hispanic92859634
Asian38121750
Other Race1491357
Native American10010036
Islander32320

The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among native american people with a rate of 36%.

St. Martin Parish, Louisiana Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$60,230$84,674$49,099
Graduate Degree$59,677$60,227$59,484
High School Graduate$39,562$52,304$31,245
Less Than 9th Grade$30,336$33,887$14,661
Overall$41,844$52,814$33,716
Some College$37,845$52,528$32,544

$41,844

Average Earnings

$52,814

Average Male

$33,716

Average Female

St. Martin Parish, Louisiana Earnings by Educational Attainment

St. Martin Parish, Louisiana Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

St. Martin Parish, Louisiana Language

88.13% of St. Martin Parish, Louisiana residents speak only English, while 11.87% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 8.86% of the population.

St. Martin Parish, Louisiana Language

St. Martin Parish, Louisiana Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
Black14,6814,53630.9%
White33,0173,70611.22%
Multiple1,84439121.2%
Hispanic1,64729417.85%
Asian4939218.66%
Islander7474100%
Other1773117.51%

17.56%

Overall Poverty Rate

15.16%

Male Poverty Rate

19.86%

Female Poverty Rate

Poverty in St. Martin Parish, Louisiana

The race most likely to be in poverty in St. Martin Parish, Louisiana is Islander, with 100% below the poverty level.

The race least likely to be in poverty in St. Martin Parish, Louisiana is White, with 11.22% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.57%. Among those working part-time, it was 20.03%, and for those that did not work, the poverty rate was 27.55%.

St. Martin Parish, Louisiana Poverty

rate

Rate
Poverty
Less Than 9th Grade32.56%
Some College17.81%
High School13.21%
Bachelors or Greater4.77%

St. Martin Parish, Louisiana Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed40.8%
Female Unemployed31.37%
Female Employed11.6%
Male Employed3.08%

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

St. Martin Parish, Louisiana Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$66,417$87,409
Households$50,806$71,266
Married Families$86,206$-999,999,999
Non Families$28,069$38,201

mean

median

Income by Household Type

St. Martin Parish, Louisiana Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

45.0%

Overall Marriage Rate

47.4%

Male Marriage Rate

42.7%

Female Marriage Rate

St. Martin Parish, Louisiana Married by Age and Sex

male

female

St. Martin 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 35-44.

St. Martin Parish, Louisiana Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

St. Martin Parish, Louisiana Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

2,446

Number of Veterans

2,176

Male Veterans

270

Female Veterans

War
Veterans
Vietnam958
First Gulf War666
Second Gulf War545
Korea127
World War II13

St. Martin Parish, Louisiana Veterans by War

count

Age Group
Veterans
35 to 54841
65 to 74590
75+570
18 to 34254
55 to 64191

St. Martin Parish, Louisiana Veterans by Age

count

Name
Veterans
% of Total
White1,7780.06663918143997602
Black5210.04930443834579351
2+ Races950.07169811320754717
Hispanic950.08628519527702089
Other Race360.2222222222222222
Asian130.03110047846889952
Native American30.022222222222222223

St. Martin Parish, Louisiana Veterans by Race

St. Martin Parish, Louisiana Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

13.26%

Veteran Poverty Rate

28.37%

Veteran Disability Rate

St. Martin Parish, Louisiana Veterans by Education

LaborForceParticipation

57.7%

Labor Force Participation

53.9%

Employment Rate

6.2%

Unemployment Rate

St. Martin Parish, Louisiana Employment by Age

LaborForceParticipation

St. Martin Parish, Louisiana Employment by Race

LaborForceParticipation

St. Martin Parish, Louisiana Employment by Education

Origin of Non-Citizens

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.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

89.7%

Born in St. Martin Parish, Louisiana

98.07%

Native Born

1.93%

Foreign Born

1.22%

Non Citizen

0.71%

Naturalized

Place of Birth

98.07% of St. Martin Parish, Louisiana residents were born in the United States, with 89.7% having been born in Louisiana. 1.22% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

St. Martin Parish, Louisiana Place of Birth

Sources