Grand Coteau

County:: St. Landry Parish
County Seat:: No
Area (mi²):: 2.423
State:: Louisiana

Grand Coteau is a town located in St. Landry Parish, Louisiana. Grand Coteau has a 2025 population of 757. Grand Coteau is currently declining at a rate of -0.39% annually and its population has decreased by -1.94% since the most recent census, which recorded a population of 772 in 2020.

The average household income in Grand Coteau is $48,047 with a poverty rate of 37.01%.The median age in Grand Coteau is 54.2 years: 56.3 years for males, and 51.1 years for females.

Demographics

The racial composition of Grand Coteau includes 68.67% Black or African American, 31.12% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
Black or African American	651	68.67%
White	295	31.12%
Two or more races	2	0.21%

Grand Coteau Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Grand Coteau's average per capita income is $22,090. Household income levels show a median of $48,036. The poverty rate stands at 37.01%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$68,347	-
Families	$67,083	$51,347
Households	$48,036	$48,047
Non Families	$18,542	$33,877

$22,090

Average Income

$48,036

Median Household Income

37.01%

Poverty Rate