Charenton (historically French: Lieu-des-Chetimachas) is a census-designated place (CDP) in St. Mary Parish, Louisiana, United States. The population was 1,903 at the 2010 census. It is part of the Morgan City Micropolitan Statistical Area.

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Charenton is home to one community of Chitimacha people. In 1855, the Chitimacha were seriously reduced by yellow fever that struck the region. In 1881, the Chitimacha were located on Grand Lake or Lake Fausse. The census of 1900 listed six families of Chitimacha, with a total of 55 people. During this period, the Chitimacha's land base had continued to decline as reservation land was divided again and again among members unable to pay the annual taxes. As a result, the land was sold. A court divided the last 505 acres (2.04 km) of the reservation in 1903, but attorney's fees claimed 280 acres (1.1 km) of it two years later. Answering a plea from the Chitimacha women, Miss Sarah Avery McIlhenney purchased the land at a sheriff's sale in 1915 and immediately ceded it to the federal government who in turn placed the land in trust for the tribe. Federal recognition followed in 1917, and the Chitimacha became the only tribe in Louisiana to achieve such status. This new recognition and the land held in trust could not have come at a better time. World War I and the pressure it placed on oil companies led to exploration in the region and purchase of land there.

With their land secure, many Chitimacha found employment in the new Louisiana oil fields as drillers and foremen. Following the passage of the Indian Reorganization Act in 1934, the Chitimacha created a new tribal organization. Unfortunately, their small enrollment and success in finding work outside their reservation led to an attempt by the government to terminate their federal status in 1952. This move was ultimately defeated, and the Chitimacha, growing in number and organization, put into effect a constitution and bylaws in 1971 that remain in effect today.

The Chitimacha operate a museum, fish processing plant and school on the reservation. In addition, what began as a bingo operation grew into a lucrative casino that operates on the tribe's land in Charenton. Revenue from the Cypress Bayou casino has provided the Chitimacha with funds used to recover land historically part of the reservation. Consequently, land that had dwindled to just 260 acres (1.1 km) has now swelled to over a thousand acres (4 km). The Chitimacha are an important part of Charenton's history as well as a major part of the current community.

Charenton is located at 29°53′01.47″N 91°31′37.78″W / 29.8837417°N 91.5271611°W / 29.8837417; -91.5271611 (29.88436373442272,-91.5274459771368).

According to the United States Census Bureau, the CDP has a total area of 5.2 square miles (13.5 km), of which 5.0 square miles (12.9 km) is land and 0.23 square miles (0.6 km), or 4.79%, is water.

Historical population

Census	Pop.	Note	%±
2020	1,699		—
U.S. Decennial Census

Charenton racial composition

Race	Number	Percentage
White (non-Hispanic)	787	46.32%
Black or African American (non-Hispanic)	388	22.84%
Native American	416	24.48%
Asian	3	0.18%
Other/Mixed	70	4.12%
Hispanic or Latino	35	2.06%

As of the 2020 United States census, there were 1,699 people, 665 households, and 414 families residing in the CDP.

As of the census of 2000, there were 1,944 people, 677 households, and 492 families residing in the CDP. The population density was 334.3 inhabitants per square mile (129.1/km). There were 738 housing units at an average density of 126.9 per square mile (49.0/km). The racial makeup of the CDP was 45.68% White, 36.21% African American, 16.36% Native American, 0.36% Asian, 0.05% Pacific Islander, 0.10% from other races, and 1.23% from two or more races. Hispanic or Latino of any race were 1.18% of the population.

There were 677 households, out of which 38.3% had children under the age of 18 living with them, 51.7% were married couples living together, 14.2% had a female householder with no husband present, and 27.3% were non-families. 23.8% of all households were made up of individuals, and 9.3% had someone living alone who was 65 years of age or older. The average household size was 2.87 and the average family size was 3.42.

In the CDP, the population was spread out, with 30.7% under the age of 18, 9.2% from 18 to 24, 29.1% from 25 to 44, 21.1% from 45 to 64, and 9.9% who were 65 years of age or older. The median age was 32 years. For every 100 females, there were 105.3 males. For every 100 females age 18 and over, there were 101.3 males.

The median income for a household in the CDP was $27,837, and the median income for a family was $32,426. Males had a median income of $33,235 versus $20,517 for females. The per capita income for the CDP was $12,828. About 26.8% of families and 27.6% of the population were below the poverty line, including 38.1% of those under age 18 and 22.6% of those age 65 or over.

The Chitimacha Tribal School, a K-8 school, is affiliated with the Bureau of Indian Education (BIE). It is in Charenton.

In 1937 a two classroom public school building condemned by the St. Mary Parish School Board was moved to Charenton, and began serving the community as a 1-8 school; the student population went over 60. In 1968 the kindergarten was established. The Bureau of Indian Affairs (BIA) built a new school, which began operations in 1978, to replace the former facility. It had 38 in the 1978-1979 school year, but this went down to 29 in 1980-1981 and 22 in 1981-1982. In 1982 it got a funding cut due to Reaganomics, which led to fears that the school could close.

St. Mary Parish School Board operates local public schools.

• Official website of the Chitimacha Nation