Iberville Parish () is a

parish A parish is a territorial entity in many Christianity, Christian denominations, constituting a division within a diocese. A parish is under the pastoral care and clerical jurisdiction of a priest#Christianity, priest, often termed a parish pries ...

located south of

Baton Rouge Baton Rouge ( ; , ) is the List of capitals in the United States, capital city of the U.S. state of Louisiana. It had a population of 227,470 at the 2020 United States census, making it List of municipalities in Louisiana, Louisiana's second-m ...

in the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its so ...

Louisiana Louisiana ( ; ; ) is a state in the Deep South and South Central regions of the United States. It borders Texas to the west, Arkansas to the north, and Mississippi to the east. Of the 50 U.S. states, it ranks 31st in area and 25 ...

, formed in 1807. The parish seat is Plaquemine. The population was 30,241 at the 2020 census.

History

The parish is named for

Pierre Le Moyne d'Iberville Pierre Le Moyne d'Iberville (16 July 1661 – 9 July 1706) or Sieur d'Iberville was a French soldier, explorer, colonial administrator, and trader. He is noted for founding the colony of Louisiana in New France. He was born in Montreal to French ...

, who founded the French colony of Louisiana. A few archaeological efforts have been made in the parish, mainly to excavate the Native American burial mounds that have been identified there. The first expedition, led by Clarence B. Moore, was an attempt at collecting data from a couple of the sites, and it set the groundwork for later projects. Moore was mainly interested in the skeletal remains of the previous inhabitants, rather than excavating for archaeological items. Archaeologists are especially interested in these sites because of their uniformity and size. Some of the mounds are seven hundred feet long, a hundred feet wide and six feet tall. Most of them contain human remains. There were at least 2 wooden forts in the area by 1779, also represent St. Gabriel Parish. San Gabriel

Iberville Parish is represented in the

Louisiana State Senate The Louisiana State Senate (; ) is the upper house of Louisiana’s legislature. Senators serve four-year terms and participate in various committees. Composition The Louisiana State Senate has 39 members elected from single-member districts ...

by a Republican, Marine Corps veteran Caleb Kleinpeter, who has served in the Senate since 2022. The parish is currently represented in the state House by Republican Jeremy LaCombe.

Geography

According to the

U.S. Census Bureau The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the U.S. federal statistical system, responsible for producing data about the American people and economy. The U.S. Census Bureau is part of the U ...

, the parish has a total area of , of which is land and (5.2%) is water. Iberville Parish is part of the Baton Rouge metropolitan statistical area.

Major highways

Interstate 10 Interstate 10 (I-10) is the southernmost transcontinental highway in the Interstate Highway System of the United States. It is the fourth-longest Interstate in the country at , following I-90, I-80, and I-40. It was part of the origina ...

Louisiana Highway 1 Louisiana Highway 1 (LA 1) is a state highway in Louisiana. At , it is the longest numbered highway of any class in Louisiana. It runs diagonally across the state, connecting the oil field, oil and gas fields near the island of Grand Isle, ...

* Louisiana Highway 30 * Louisiana Highway 69 * Louisiana Highway 75 * Louisiana Highway 76 *

Louisiana Highway 77 Louisiana Highway 77 (LA 77) is a state highway in Louisiana that serves Iberville Parish, LA, Iberville and Pointe Coupee Parish, LA, Pointe Coupee parishes. It spans . Route description LA 77 begins at Louisiana Highway 1, LA 1 near The Islan ...

Adjacent parishes

* Pointe Coupee Parish (northwest) *

West Baton Rouge Parish West Baton Rouge Parish (, Spanish language, Spanish: ''Parroquia del Oeste de Baton Rouge'') is one of the List of parishes in Louisiana, sixty-four parishes in the U.S. state of Louisiana. Established in 1807, its parish seat is Port Allen, L ...

(north) *

East Baton Rouge Parish East Baton Rouge Parish (; ) is the most populous List of parishes in Louisiana, parish in the U.S. state of Louisiana. Its population was 456,781 at the 2020 United States census, 2020 census. The county seat, parish seat is Baton Rouge, Louis ...

(northeast) *

Ascension Parish Ascension Parish (; ) is a parish located in the U.S. state of Louisiana. As of the 2020 census, the population was 126,500. Its parish seat is Donaldsonville. The parish was created in 1807. Ascension Parish is part of the Baton Rouge metr ...

(east) *

Assumption Parish Assumption Parish (, ) is a parish located in the U.S. state of Louisiana. As of the 2020 census, the population was 21,039. Its parish seat is Napoleonville. Assumption Parish was established in 1807, as one of the original parishes of the ...

(southeast) *

Iberia Parish Iberia Parish (, ) is a parish located in the U.S. state of Louisiana. At the 2020 census, it had a population of 69,929; the parish seat is New Iberia. The parish was formed in 1868 during the Reconstruction era and named for Iberia. It is p ...

(south) * St. Martin Parish (west)

National protected area

* Atchafalaya National Wildlife Refuge (part)

Communities

Cities

* Plaquemine (parish seat) * St. Gabriel (largest municipality)

Towns

* Maringouin * White Castle

Villages

* Grosse Tete * Rosedale

Unincorporated areas

Census-designated places

* Bayou Goula *

Crescent A crescent shape (, ) is a symbol or emblem used to represent the lunar phase (as it appears in the northern hemisphere) in the first quarter (the "sickle moon"), or by extension a symbol representing the Moon itself. In Hindu iconography, Hind ...

* Dorseyville (or Dorcyville)

Other unincorporated communities

Alhambra The Alhambra (, ; ) is a palace and fortress complex located in Granada, Spain. It is one of the most famous monuments of Islamic architecture and one of the best-preserved palaces of the historic Muslim world, Islamic world. Additionally, the ...

* Bayou Pigeon * Bayou Sorrel * Carville * Iberville * Indian Village * Lone Star * Ramah * Seymourville

Demographics

As of the 2020 United States census, there were 30,241 people, 10,903 households, and 7,372 families residing in the parish. The 2019 census-estimates determined 32,822 people lived in the parish, down from 33,387 at the 2010 United States census, and up from 33,320 at the 2000 U.S. census. In 2020, the racial and ethnic makeup of the parish was 48.2% Black and African American, 49.6%

non-Hispanic white Non-Hispanic Whites, also referred to as White Anglo Americans or Non-Latino Whites, are White Americans who are classified by the United States census as "White" and not of Hispanic or Latino origin. According to annual estimates from the Unit ...

, 0.1%

American Indian and Alaska Native Native Americans (also called American Indians, First Americans, or Indigenous Americans) are the Indigenous peoples of the United States, particularly of the lower 48 states and Alaska. They may also include any Americans whose origins lie ...

, 0.5% some other race, and 1.5% two or more races. Approximately 2.6% of the population were Hispanic and Latin American of any race. In 2010, its racial and ethnic makeup was 49.3% Black and African American, 48.8% non-Hispanic white, 0.3% Asian, 0.2% American Indian and Alaska Native, 0.6% some other race, and 0.8% from two or more races; 2.0% were Hispanic and Latin American of any race. At the 2000 census. 49.26% were non-Hispanic white, 49.7% African American, 0.18% American Indian and Alaska Native, 0.26% Asian, 0.01%

Native Hawaiian Native Hawaiians (also known as Indigenous Hawaiians, Kānaka Maoli, Aboriginal Hawaiians, or simply Hawaiians; , , , and ) are the Indigenous peoples of Oceania, Indigenous Polynesians, Polynesian people of the Hawaiian Islands. Hawaiʻi was set ...

and other

Pacific Islander Pacific Islanders, Pasifika, Pasefika, Pacificans, or rarely Pacificers are the peoples of the list of islands in the Pacific Ocean, Pacific Islands. As an ethnic group, ethnic/race (human categorization), racial term, it is used to describe th ...

, 0.14% from other races, and 0.45% from two or more races; 1.03% were Hispanic and Latin American of any race. There were 10,903 households at the 2019 census-estimates, and 13,396 housing units. Of the 2,697 businesses operating in the parish, 1,339 were minority-owned. The parish had an employment rate of 47.9%. There was a home-ownership rate of 73.4%, and the median housing value was $143,700; the median gross rent was $755. The median income for a household was $50,161; males had a median income of $54,655 versus $30,773 for females; 27.6% of the population lived at or below the poverty line. Among its religious population in 2020, the

Association of Religion Data Archives The Association of Religion Data Archives (ARDA) is a free source of online information related to American and international religion. One of the primary goals of the archive is to democratize access to academic information on religion by making t ...

determined there were 1,700 non-denominational Protestants, and 7,901

Roman Catholics The Catholic Church (), also known as the Roman Catholic Church, is the largest Christian church, with 1.27 to 1.41 billion baptized Catholics worldwide as of 2025. It is among the world's oldest and largest international institut ...

. Non-denominational Christianity was the largest non-Catholic demographic, reflecting the rise of non/inter-denominationalism.

Government and infrastructure

The Louisiana Department of Public Safety and Corrections operates two prisons, Elayn Hunt Correctional Center and Louisiana Correctional Institute for Women (LCIW), in St. Gabriel in Iberville Parish. LCIW houses the female death row."Classification–Where Inmates Serve Their Time."
Inside the System: How Inmates Live and Work
'. Louisiana Department of Public Safety & Corrections. 14/40. Retrieved June 30, 2010

Education

Primary and secondary schools

Iberville Parish School Board operates the public schools within all of Iberville Parish.

Public libraries

Iberville Parish Library operates libraries in the parish. The Parish Headquarters Library is located in Plaquemine. Branches include Bayou Pigeon (''

Unincorporated area An unincorporated area is a parcel of land that is not governed by a local general-purpose municipal corporation. (At p. 178.) They may be governed or serviced by an encompassing unit (such as a county) or another branch of the state (such as th ...

''), Bayou Sorrel (''Unincorporated area''), East Iberville ( St. Gabriel), Grosse Tete ( Grosse Tete), Maringouin ( Maringouin), Rosedale ( Rosedale), White Castle ( White Castle).

Colleges and universities

It is in the service area of South Louisiana Community College.

National Guard

The Gillis W. Long Center, located on the outskirts of Carville, LA, is operated by the

Louisiana Army National Guard The Louisiana Army National Guard (; ) is a component of the Louisiana National Guard, and the state's reserve force within the United States Army. The Constitution of the United States specifically charges the National Guard with dual federal ...

. This post is home to the 415TH MI (Military Intelligence) Battalion, the 241ST MPAD, and the 61st Troop Command. The 415TH MI is a subunit of the 139TH RSG (regional support group).

References

External links

Ibervillle Parish government's website

Iberville Parish Tourist Commission website

Explore the History and Culture of Southeastern Louisiana, a National Park Service ''Discover Our Shared Heritage'' Travel Itinerary

Iberville Parish Sheriff's Office
Geology * Heinrich, P. V., and W. J. Autin, 2000
''Baton Rouge 30 x 60 minute geologic quadrangle.''
Louisiana Geological Survey, Baton Rouge, Louisiana {{Coord, 30.26, -91.35, display=title, type:adm2nd_region:US-LA_source:UScensus1990 Louisiana parishes Parishes in Acadiana Acadiana Baton Rouge metropolitan area Louisiana parishes on the Mississippi River 1807 establishments in the Territory of Orleans Populated places established in 1807 Majority-minority parishes in Louisiana