COUNTY · 1990 CENSUS

St. Mary Parish

Louisiana · 58,086 residents · 559 sq mi

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Part of the Morgan City micropolitan area

The short version

St. Mary Parish is home to 58,086 people in Louisiana. 27.0% of locals live below the federal poverty line. 8% of adults hold a bachelor's degree or higher. Median home value sits at $48,900. The median age is 29.8, younger than the US median of 33.0. Median rent is $291 a month.

At a glance

Lower income

below the US median

US median: $30,130

Younger

median age 29.8

US median: 33.0

Less educated

8% hold a bachelor's degree

US average: 20%

Stable housing

home values roughly flat, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

58,086

+9%vs 2000

vs 53,500 in 2000

1990 – 2025

Median age

29.8

−13%vs 2000

vs 34.3 in 2000

US average: 33.0

Land area

559 sq mi

Population, 1990 – 2024

202448K

Age distribution, 1990

Under 58.8%(5,127)

US avg: 7.3%

5 to 99.6%(5,603)

US avg: 7.3%

10 to 148.9%(5,156)

US avg: 6.9%

15 to 198%(4,641)

US avg: 7.1%

20 to 246.9%(3,997)

US avg: 7.5%

25 to 3417.3%(10,036)

US avg: 17.5%

35 to 4412.9%(7,470)

US avg: 15.1%

45 to 5410.6%(6,162)

US avg: 10.2%

55 to 647.6%(4,405)

US avg: 8.5%

65 to 745.6%(3,233)

US avg: 7.3%

75 to 843%(1,757)

US avg: 4%

85 and over0.9%(499)

US avg: 1.2%

BAR + DOT: THIS PLACE · TICK: US AVERAGE

Section 02

Income & economy

Median household income

$20,980

−2%inflation adjusted, since 2000

vs $28,072 in 2000

US average: $30,130

1990 – 2024

Per capita income

$8,777

−34%vs 2000

vs $13,399 in 2000

US average: $14,340

Poverty rate

27.0%

+3.4 ptsvs 2000

vs 23.6% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$48,900

+2%inflation adjusted, since 2000

vs $63,100 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$291

−3%inflation adjusted, since 2000

vs $397 in 2000

US average: $450

Owner-occupied

68.6%

−5.3 ptsvs 2000

vs 73.9% in 2000

31.4% rent

Section 04

Race & ethnicity

2000

White, non-Hispanic61.8%(33,051)

Black31.7%(16,945)

Hispanic / Latino2.2%(1,152)

Asian1.6%(854)

Other0%

1990

White, non-Hispanic65%(37,758)

Black31.2%(18,148)

Hispanic / Latino2.2%(1,254)

Asian1.6%(914)

Other2.2%(1,266)

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)

South American0.2%(95)

Chilean0.2%(93)

Panamanian0.1%(32)

Nicaraguan0%(22)

Spaniard0%(17)

+ 1 more hispanic origin group with data

Argentine0%(2)

Asian origin

Vietnamese1%(458)

Chinese0%(8)

Pacific Islander origin

Native Hawaiian0.1%(61)

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)

Subsaharan African0.1%(63)

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)

Canadian0%(9)

Croatian0%(9)

Lithuanian0%(9)

Barbadian0%(9)

Austrian0%(8)

Hungarian0%(7)

Macedonian0%(7)

Serbian0%(7)

Palestinian0%(5)

Slovene0%(5)

Portuguese0%(4)

RANKED:Largest French population · Largest German population · Largest American population · Largest Irish population · Largest English population

Section 05

Education

Bachelor's degree or higher

8.3%

−1.1 ptsvs 2000

vs 9.4% in 2000

US average: 20.3%

High school or higher

58.1%

−7.9 ptsvs 2000

vs 65.9% in 2000

US average: 75.2%

Graduate degree

2.4%

−0.2 ptsvs 2000

vs 2.5% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

17.4 min

+28%vs 2000

vs 13.6 min in 2000

US average: 21.9

Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)

Men 15+

Never married37.4%(6,897)

Married48.5%(8,925)

Widowed2.6%(476)

Divorced11.5%(2,120)

Women 15+

Never married33.5%(6,606)

Married42%(8,271)

Widowed11.6%(2,292)

Divorced12.8%(2,527)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured

8.5%

−12.0 ptssince 2013

from 20.5% in 2013

US average: 8.4%

Employer-based

33.3%

−2.2 ptssince 2020

from 35.5% in 2020

US average: 54.8%

Direct-purchase

15.4%

+2.4 ptssince 2020

from 13.0% in 2020

US average: 13.8%

Medicare

20.1%

−0.9 ptssince 2020

from 21.0% in 2020

US average: 18.4%

Medicaid

39.9%

−2.0 ptssince 2020

from 41.9% in 2020

US average: 20.9%

VA health care

2.1%

−0.1 ptssince 2020

from 2.2% in 2020

US average: 2.2%

Any private

48.0%

−0.4 ptssince 2020

from 48.4% in 2020

US average: 67.1%

Any public

55.4%

−2.3 ptssince 2020

from 57.7% in 2020

US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024

Gulf War (2001 or later)20.9%(387)

US avg: 26.4%

Gulf War (1990s)21.9%(406)

US avg: 24.3%

Vietnam era38.9%(720)

US avg: 33.1%

Korean War5.8%(108)

US avg: 4.5%

World War II0.3%(5)

US avg: 1%

Share of the 1,852 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

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