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Iberville Parish, Louisiana facts for kids

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Iberville Parish
Parish of Iberville
Iberville Parish Courthouse building, originally the Courthouse, then the Plaquemine City Hall, now used as the Iberville Museum
Iberville Parish Courthouse building, originally the Courthouse, then the Plaquemine City Hall, now used as the Iberville Museum
Map of Louisiana highlighting Iberville Parish
Location within the U.S. state of Louisiana
Map of the United States highlighting Louisiana
Louisiana's location within the U.S.
Country  United States
State  Louisiana
Founded 1807
Named for Pierre Le Moyne d'Iberville
Seat Plaquemine
Largest city St. Gabriel
 • Total 653 sq mi (1,690 km2)
 • Land 619 sq mi (1,600 km2)
 • Water 34 sq mi (90 km2)  5.2%
 • Total 30,241
 • Density 46.31/sq mi (17.881/km2)
Time zone UTC−6 (Central)
 • Summer (DST) UTC−5 (CDT)
Congressional districts 2nd, 6th

Iberville Parish (French: Paroisse d'Iberville) is a parish located south of Baton Rouge in the U.S. state of Louisiana, formed in 1807. The parish seat is Plaquemine. At the 2010 U.S. census, the population was 33,387, and 30,241 at the 2020 census.


The parish is named for Pierre Le Moyne d'Iberville, who founded the French colony of Louisiana.

A few archeological 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. Clarence was mainly interested in the skeletal remains of the previous inhabitants, rather than excavating for archeological items. Archeologists 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.

Iberville Parish is represented in the Louisiana State Senate by a Republican, attorney Rick Ward, III, a former member of the Louisiana House of Representatives, who has served in the Senate since 2012. The parish is currently represented in the state House by Democrat Major Thibaut of Oscar in Pointe Coupee Parish.


According to the U.S. Census Bureau, the parish has a total area of 653 square miles (1,690 km2), of which 619 square miles (1,600 km2) is land and 34 square miles (88 km2) (5.2%) is water.

Major highways

  • I-10.svg Interstate Highway 10
  • Louisiana 1.svg Louisiana Highway 1
  • Louisiana 30.svg Louisiana Highway 30
  • Louisiana 69.svg Louisiana Highway 69
  • Louisiana 75.svg Louisiana Highway 75
  • Louisiana 76.svg Louisiana Highway 76
  • Louisiana 77.svg Louisiana Highway 77

Adjacent parishes

National protected area


Historical population
Census Pop.
1820 4,414
1830 7,049 59.7%
1840 8,495 20.5%
1850 12,278 44.5%
1860 14,661 19.4%
1870 12,347 −15.8%
1880 17,544 42.1%
1890 21,848 24.5%
1900 27,006 23.6%
1910 30,954 14.6%
1920 26,806 −13.4%
1930 24,638 −8.1%
1940 27,721 12.5%
1950 26,750 −3.5%
1960 29,939 11.9%
1970 30,746 2.7%
1980 32,159 4.6%
1990 31,049 −3.5%
2000 33,320 7.3%
2010 33,387 0.2%
2020 30,241 −9.4%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2013
Iberville Parish racial composition
Race Number Percentage
White (non-Hispanic) 14,632 48.38%
Black or African American (non-Hispanic) 13,313 44.02%
Native American 58 0.19%
Asian 123 0.41%
Pacific Islander 13 0.04%
Other/Mixed 684 2.26%
Hispanic or Latino 1,418 4.69%

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.

The racial and ethnic makeup of the parish was 48.2% Black and African American, 49.6% non-Hispanic white, 0.1% American Indian and Alaska Native, 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 and other Pacific Islander, 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.

National Guard

The Gillis W. Long Center, located on the outskirts of Carville, LA, is operated by the Louisiana Army National Guard. 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).


Map of Iberville Parish Louisiana With Municipal Labels
Map of Iberville Parish, Louisiana With Municipal Labels




Census-designated places

Other unincorporated communities


Primary and secondary schools

Iberville Parish School Board operates the public schools within 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), 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.

See also

Kids robot.svg In Spanish: Parroquia de Iberville para niños

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