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Assumption Parish, Louisiana facts for kids

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Assumption Parish
St. Anne Catholic Church (Napoleonville, Louisiana)
St. Anne Catholic Church (Napoleonville, Louisiana)
Map of Louisiana highlighting Assumption 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 Assumption Roman Catholic Church
Seat Napoleonville
Largest community Pierre Part
 • Total 365 sq mi (950 km2)
 • Land 339 sq mi (880 km2)
 • Water 26 sq mi (70 km2)  7.1%
 • Total 23,421
 • Estimate 
 • Density 64.17/sq mi (24.78/km2)
Time zone UTC−6 (Central)
 • Summer (DST) UTC−5 (CDT)
Congressional districts 2nd, 6th

Assumption Parish (French: Paroisse de l'Assomption) is a parish located in the U.S. state of Louisiana. As of the 2010 census, the population was 23,421. Its parish seat is Napoleonville. Assumption Parish was established in 1807, as one of the original parishes of the Territory of Orleans.

Assumption Parish is one of the twenty-two Acadiana parishes. Its major product is sugar cane. In proportion to its area, Assumption Parish produces the most sugar of any parish of Louisiana.

Assumption Parish is represented in the Louisiana House of Representatives by Beryl Amedee, a Republican, and Chad Brown, a Democrat.


In 1807, Assumption became the eighth parish of the Orleans Territory. Its history is rooted in its waterways and its large expanse of fertile soils ideal for farming. Settled in the middle 18th century by French and Spanish settlers, the area retains strong cultural ties to its past with conversational French still common among residents. Assumption was also a final destination for many of the French Acadians exiled from Nova Scotia between 1755 and 1764.

After the Confederacy forced the surrender of Fort Sumter, South Carolina, in 1861, the Assumption Parish Police Jury appropriated $1,000 to provide uniforms for military volunteers against the Union. By contrast, Lafayette Parish contributed $6,000. Plaquemines Parish approved a gift of $10 to $15 per month for needy volunteer families.

In 1936, Assumption Parish broke heavily from state and national political trends to support Governor Alfred Landon of Kansas, the Republican nominee for U.S. President in the race against Franklin D. Roosevelt. Though Landon received only 11.1 percent of the vote in Louisiana, he took 60.6 percent in Assumption and 41.5 percent in another sugar-growing parish, Lafourche.


According to the U.S. Census Bureau, the parish has a total area of 365 square miles (950 km2), of which 339 square miles (880 km2) is land and 26 square miles (67 km2) (7.1%) is water.

Major highways

  • US 90.svg U.S. Highway 90
  • Louisiana 1.svg Louisiana Highway 1

Adjacent parishes


Historical population
Census Pop.
1810 2,472
1820 3,576 44.7%
1830 5,669 58.5%
1840 7,141 26.0%
1850 10,538 47.6%
1860 15,379 45.9%
1870 13,234 −13.9%
1880 17,010 28.5%
1890 19,629 15.4%
1900 21,620 10.1%
1910 24,128 11.6%
1920 17,912 −25.8%
1930 15,990 −10.7%
1940 18,541 16.0%
1950 17,278 −6.8%
1960 17,991 4.1%
1970 19,654 9.2%
1980 22,084 12.4%
1990 22,753 3.0%
2000 23,388 2.8%
2010 23,421 0.1%
2018 (est.) 22,300 −4.8%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2013

2020 census

Assumption Parish racial composition
Race Number Percentage
White (non-Hispanic) 13,580 64.55%
Black or African American (non-Hispanic) 5,973 28.39%
Native American 83 0.39%
Asian 56 0.27%
Other/Mixed 433 2.06%
Hispanic or Latino 914 4.34%

As of the 2020 United States census, there were 21,039 people, 8,552 households, and 5,484 families residing in the parish.

2010 census

As of the 2010 United States census, there were 23,421 people living in the parish. 66.8% were White, 30.5% Black or African American, 0.6% Native American, 0.2% Asian, 0.1% Pacific Islander, 1.0% of some other race and 0.9% of two or more races. 2.1% were Hispanic or Latino (of any race). 38.2% were of French, French Canadian or Cajun and 9.4% American ancestry.

National Guard

The 928th Sapper Company, a unit of the 769th Engineer Battalion and the 225th Engineer Brigade.


Map of Assumption Parish Louisiana With Municipal Labels
Map of Assumption Parish, with municipal labels


Napoleonville is the largest incorporated community in the parish.

Census-designated places

Other unincorporated communities


The Assumption Parish School Board operates local public schools. Assumption High School serves the whole parish. There is one private school in the parish, Saint Elizabeth School, which was founded in 1834.

  • Assumption High School
  • Bayou L'Ourse Primary School
  • Belle Rose Middle School
  • Belle Rose Primary School
  • Labadieville Middle School
  • Labadieville Primary School
  • Napoleonville Middle School
  • Napoleonville Primary School
  • Pierre Part Elementary School
  • Saint Elizabeth School

Notable people

See also

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

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