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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

53,500
−8%since 1990
from 58,086 in 1990
1990 – 2025
96 / sq mi
−8%since 1990
from 104 / sq mi in 1990
US average: 242
34.3
+15%since 1990
from 29.8 in 1990
US average: 35.2
Population, 19902024
47K50K53K56K59K1990201020202024St. Mary Parish
202448K
1990201020202024
Section 02

Income & economy

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

Housing

$63,100
−2%inflation adjusted, since 1990
from $48,900 in 1990
US average: $120,530
1990 – 2024
$397
+4%inflation adjusted, since 1990
from $291 in 1990
US average: $602
73.9%
+5.3 ptssince 1990
from 68.6% in 1990
26.1% rent
2.2
−4%since 1990
from 2.3 in 1990
1990 – 2024
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)
Diversity Score62.6%(36,337)
2000
White, non-Hispanic61.8%(33,051)
Black31.7%(16,945)
Hispanic / Latino2.2%(1,152)
Asian1.6%(854)
Diversity Score61.1%(32,709)
61
−2%since 1990
from 63 in 1990
1990 – 2024
Section 05

Education

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%
2.5%
+0.2 ptssince 1990
from 2.4% in 1990
US average: 8.8%
Section 06

Commute & transportation

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.

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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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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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