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Assumption Parish, Louisiana facts for kids

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Assumption Parish
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%%
 • Estimate 
 • Density 69/sq mi (27/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 (Republican) and the Democrat Chad Brown.


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%
2015 (est.) 22,842 −2.5%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2013

As of the 2010 United States census, there were 23,421 people residing 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.

As of the census of 2000, there were 23,388 people, 8,239 households, and 6,311 families residing in the parish. The population density was 69 people per square mile (27/km²). There were 9,635 housing units at an average density of 28 per square mile (11/km²). The racial makeup of the parish was 67.17% White, 31.52% Black or African American, 0.31% Native American, 0.24% Asian, 0.01% Pacific Islander, 0.17% from other races, and 0.59% from two or more races. 1.21% of the population were Hispanic or Latino of any race. 81.14% of the population over the age of five spoke only English at home, while 17.58% reported speaking French or Cajun French [1].

There were 8,239 households out of which 37.90% had children under the age of 18 living with them, 56.80% were married couples living together, 14.90% had a female householder with no husband present, and 23.40% were non-families. 20.30% of all households were made up of individuals and 9.20% had someone living alone who was 65 years of age or older. The average household size was 2.81 and the average family size was 3.26.

In the parish the age distribution of the population shows 28.50% under the age of 18, 9.80% from 18 to 24, 28.70% from 25 to 44, 22.20% from 45 to 64, and 10.90% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 93.90 males. For every 100 females age 18 and over, there were 90.90 males.

The median income for a household in the parish was $31,168, and the median income for a family was $36,052. Males had a median income of $35,941 versus $18,065 for females. The per capita income for the parish was $14,008. About 19.50% of families and 21.80% of the population were below the poverty line, including 28.40% of those under age 18 and 21.70% of those age 65 or over.

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

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