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COUNTY · 2000 CENSUS

St. Mary Parish

Louisiana · 53,500 residents · 558.527 sq mi
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The short version

St. Mary Parish has notably lower household income than the US average, with a median household income of $28,072. Population has declined 8% since 1990. 9% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value is $63,100. The poverty rate of 23.6% is well above the national figure.

At a glance
Lower income
below the US median
US median: $42,589
Mid-age
median age 34.3
US median: 35.2
Less educated
9% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
53,500
−8%since 1990
from 58,086 in 1990
1990 – 2025
Median age
34.3
+15%since 1990
from 29.8 in 1990
US average: 35.2
Population, 1990 – 2024
47K50K53K56K59K1990201020202024St. Mary Parish
202448K
1990201020202024
Age distribution, 2000
Under 57.4%(3,965)
US avg: 6.8%
5 to 98.4%(4,480)
US avg: 7.3%
10 to 148.5%(4,558)
US avg: 7.3%
15 to 198.2%(4,404)
US avg: 7.2%
20 to 245.9%(3,134)
US avg: 6.7%
25 to 3412.6%(6,730)
US avg: 14.2%
35 to 4416.1%(8,615)
US avg: 16%
45 to 5412.8%(6,842)
US avg: 13.4%
55 to 649.1%(4,873)
US avg: 8.6%
65 to 746.4%(3,422)
US avg: 6.5%
75 to 843.5%(1,885)
US avg: 4.4%
85 and over1.1%(592)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$28,072
+2%inflation adjusted, since 1990
from $20,980 in 1990
US average: $42,589
1990 – 2024
Per capita income
$13,399
+53%since 1990
from $8,777 in 1990
US average: $21,522
Poverty rate
23.6%
−3.4 ptssince 1990
from 27.0% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$63,100
−2%inflation adjusted, since 1990
from $48,900 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$397
+4%inflation adjusted, since 1990
from $291 in 1990
US average: $602
Owner-occupied
73.9%
+5.3 ptssince 1990
from 68.6% in 1990
26.1% rent
RELATED:See current rent listings in St. Mary Parish on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic65%(37,758)
Black31.2%(18,148)
Hispanic / Latino2.2%(1,254)
Asian1.6%(914)
2000
White, non-Hispanic61.8%(33,051)
Black31.7%(16,945)
Hispanic / Latino2.2%(1,152)
Asian1.6%(854)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican4.1%(1,969)
Central American2.7%(1,305)
Honduran2.1%(1,020)
Guatemalan0.5%(231)
Cuban0.4%(203)
Puerto Rican0.4%(169)
Dominican0.3%(136)
Chilean0.2%(93)
Panamanian0.1%(32)
Spaniard0%(17)
+ 1 more hispanic origin group with data
Asian origin
Vietnamese1%(458)
Chinese0%(8)
Pacific Islander origin
Samoan0%(18)
Chamorro0%(17)
Ancestry
French12.9%(6,185)
German5.8%(2,788)
American5.2%(2,484)
Irish4.4%(2,115)
English4.4%(2,101)
Italian3.6%(1,712)
French Canadian2.3%(1,122)
Scottish0.3%(137)
Russian0.2%(117)
Czech0.2%(107)
Welsh0.2%(107)
Greek0.2%(103)
+ 24 more ancestry groups with data
British0.2%(83)
Scotch-Irish0.1%(71)
Dutch0.1%(57)
Arab0.1%(40)
Belgian0.1%(36)
Polish0.1%(36)
Lebanese0.1%(35)
Swedish0.1%(35)
West Indian0.1%(28)
Danish0%(19)
Haitian0%(19)
Norwegian0%(18)
Serbian0%(7)
Slovene0%(5)
RANKED:Largest French population · Largest German population · Largest American population · Largest Irish population · Largest English population
Section 05

Education

Bachelor's degree or higher
9.4%
+1.1 ptssince 1990
from 8.3% in 1990
US average: 24.4%
High school or higher
65.9%
+7.9 ptssince 1990
from 58.1% in 1990
US average: 80.3%
Graduate degree
2.5%
+0.2 ptssince 1990
from 2.4% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
13.6 min
−22%since 1990
from 17.4 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status
Men 15+
Never married29.8%(5,766)
Married56.9%(11,024)
Widowed3.4%(654)
Divorced9.9%(1,927)
Women 15+
Never married23.5%(4,972)
Married53.8%(11,378)
Widowed12.5%(2,640)
Divorced10.2%(2,148)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Drill deeper

Places similar to St. Mary Parish

Crittenden County
Pop 46,210
Coffee County
Pop 44,407
Tift County
Pop 42,254
Baldwin County
Pop 44,029
Places similar to St. Mary Parish
Head to head

Compare St. Mary Parish to nearby counties

ST. MARY PARISH VS
Iberia Parish
Income$56,961+103%
Home value$164,500+161%
Population66,846+44%
SEE FULL COMPARISON →
ST. MARY PARISH VS
Assumption Parish
Income$51,423+83%
Home value$150,300+138%
Population19,720−58%
SEE FULL COMPARISON →
ST. MARY PARISH VS
St. Martin Parish
Income$55,960+99%
Home value$164,200+160%
Population51,106+10%
SEE FULL COMPARISON →
ST. MARY PARISH VS
Terrebonne Parish
Income$64,836+131%
Home value$187,200+197%
Population104,163+124%
SEE FULL COMPARISON →
Frequently asked

How many people live in St. Mary Parish, Louisiana?

St. Mary Parish, Louisiana has about 53,500 residents according to the 2000 Census.

What is the median household income in St. Mary Parish, Louisiana?

The typical household in St. Mary Parish, Louisiana earns about $28,072 a year. Half of households make more than that, and half make less.

Is St. Mary Parish, Louisiana expensive?

In St. Mary Parish, Louisiana, the median home is worth about $63,100, and the typical rent is about $397 a month.

How educated are people in St. Mary Parish, Louisiana?

About 9.4% of adults age 25 and over in St. Mary Parish, Louisiana hold a bachelor's degree or higher.

What is the poverty rate in St. Mary Parish, Louisiana?

About 23.6% of people in St. Mary Parish, Louisiana live below the federal poverty line.

Has St. Mary Parish, Louisiana grown since 1990?

Yes, St. Mary Parish, Louisiana has shrunk since 1990. The population has lost about 4,586 residents, a change of about -8 percent over that period.

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17 census tracts
Census Tract 408Census Tract 405Census Tract 402Census Tract 404Census Tract 406Census Tract 409Census Tract 410Census Tract 407Census Tract 414Census Tract 403Census Tract 401Census Tract 413Census Tract 415Census Tract 412Census Tract 416Census Tract 411Census Tract 9900
7 ZIP codes
ZIP 70538ZIP 70392ZIP 70342ZIP 70514ZIP 70522ZIP 70523ZIP 70340
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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