CensusEasy
COUNTY · 2020 ACS

St. Mary Parish

Louisiana · 49,406 residents · 558.527 sq mi
Time machine
COMPARE TO
Part of the Morgan City micropolitan area
Compare
The short version

St. Mary Parish has notably lower household income than the US average, with a median household income of $40,218. Population has declined 8% since 2000. 10% of adults hold a bachelor's degree or higher, below the national rate of 33%. Median home value has risen by half since 2000, reaching $105,800.

At a glance
Lower income
below the US median
US median: $66,278
Mid-age
median age 40.2
US median: 38.8
Less educated
10% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
49,406
−8%since 2000
from 53,500 in 2000
1990 – 2025
Population density
88 / sq mi
−8%since 2000
from 96 / sq mi in 2000
US average: 280
Median age
40.2
+17%since 2000
from 34.3 in 2000
US average: 38.8
Population, 1990 – 2024
47K50K53K56K59K1990201020202024St. Mary Parish
202448K
1990201020202024
Section 02

Income & economy

Median household income
$40,218
−5%inflation adjusted, since 2000
from $28,072 in 2000
US average: $66,278
1990 – 2024
Per capita income
$23,306
+74%since 2000
from $13,399 in 2000
US average: $35,364
Households earning $100K+
21.1%
−1.4 ptssince 2009
from 22.5% in 2009
US average: 43.9%
Poverty rate
19.8%
−3.8 ptssince 2000
from 23.6% in 2000
US average: 12.8%
Workforce by industry, 2020
Information15.1%
US avg: 11.1%
Retail trade12%
US avg: 10%
Agriculture, forestry, fishing9.6%
US avg: 1.7%
Manufacturing7.9%
US avg: 0.5%
Wholesale trade6.6%
US avg: 6.7%
Finance & insurance5.4%
US avg: 5.5%
Other services4.2%
US avg: 6.6%
Professional, scientific, technical3.5%
US avg: 4.7%
Public administration3.3%
US avg: 4.7%
Transportation & warehousing2%
US avg: 2.5%
Education & health services2%
US avg: 0.8%
Construction1.7%
US avg: 1.2%
Arts, entertainment, food1.4%
US avg: 2%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$105,800
+12%inflation adjusted, since 2000
from $63,100 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$784
+31%inflation adjusted, since 2000
from $397 in 2000
US average: $1,124
Owner-occupied
68.9%
−5.0 ptssince 2000
from 73.9% in 2000
31.1% rent
Afford Score
2.6
+17%since 2000
from 2.2 in 2000
1990 – 2024
RELATED:See current rent listings in St. Mary Parish on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic61.8%(33,051)
Black31.7%(16,945)
Hispanic / Latino2.2%(1,152)
Asian1.6%(854)
Other0%
Diversity Score61.1%(32,709)
Segregation Score0%
2020
White, non-Hispanic53.3%(26,334)
Black30.3%(14,950)
Hispanic / Latino9.2%(4,524)
Asian1.3%(647)
Other4.7%(2,302)
Diversity Score75.4%(37,256)
Segregation Score32.9%(16,243)
Diversity Score
75
+23%since 2000
from 61 in 2000
1990 – 2024
Segregation Score
33
Section 05

Education

Bachelor's degree or higher
9.8%
+0.4 ptssince 2000
from 9.4% in 2000
US average: 32.9%
High school or higher
82.0%
+16.1 ptssince 2000
from 65.9% in 2000
US average: 88.5%
Graduate degree
3.1%
+0.6 ptssince 2000
from 2.5% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
20.4 min
+51%since 2000
from 13.6 min in 2000
US average: 26.9
Drive alone to work
87.2%
+8.1 ptssince 2009
from 79.1% in 2009
US average: 75.1%
No vehicle available
10.7%
−0.3 ptssince 2009
from 11.0% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
6.7%
−2.0 ptssince 2011
from 8.7% in 2011
US average: 5.4%
Labor force participation
52.9%
−6.0 ptssince 2011
from 58.9% in 2011
US average: 63.4%
Management & professional
22.3%
−33.5 ptssince 2009
from 55.9% in 2009
US average: 39.3%
Section 08

People & community

Male
49.3%
+0.6 ptssince 2009
from 48.8% in 2009
Female
50.7%
−0.6 ptssince 2009
from 51.2% in 2009
Foreign born
4.0%
+1.2 ptssince 2009
from 2.7% in 2009
US average: 13.5%
Uninsured
6.2%
−73.3 ptssince 2013
from 79.5% in 2013
US average: 8.8%
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+42%
Home value$164,500+55%
Population66,846+44%
SEE FULL COMPARISON →
ST. MARY PARISH VS
Assumption Parish
Income$51,423+28%
Home value$150,300+42%
Population19,720−58%
SEE FULL COMPARISON →
ST. MARY PARISH VS
St. Martin Parish
Income$55,960+39%
Home value$164,200+55%
Population51,106+10%
SEE FULL COMPARISON →
ST. MARY PARISH VS
Terrebonne Parish
Income$64,836+61%
Home value$187,200+77%
Population104,163+124%
SEE FULL COMPARISON →
Frequently asked

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

St. Mary Parish, Louisiana has about 49,406 residents according to the 2020 American Community Survey.

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

The typical household in St. Mary Parish, Louisiana earns about $40,218 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 $105,800, and the typical rent is about $784 a month.

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

About 9.8% 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 19.8% 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 8,680 residents, a change of about -15 percent over that period.

Keep going

Explore from here

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
Up the hierarchy
All counties in Louisiana
Rankings
Highest income countiesLowest poverty counties

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

How we source and harmonize this data →