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St. Tammany Parish, Louisiana facts for kids

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St. Tammany Parish
Parish of St. Tammany
St. Tammany Parish Justice Center in Covington
St. Tammany Parish Justice Center in Covington
Map of Louisiana highlighting St. Tammany 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 October 27, 1810
Named for Indian Chief Tamanend
Seat Covington
Largest city Slidell
Area
 • Total 1,124 sq mi (2,910 km2)
 • Land 846 sq mi (2,190 km2)
 • Water 279 sq mi (720 km2)  25%
Population
 (2020)
 • Total 264,570
 • Density 312.73/sq mi (120.75/km2)
Time zone UTC−6 (Central)
 • Summer (DST) UTC−5 (CDT)
Congressional district 1st
JusticeCenter
St. Tammany Parish Justice Center in Covington
Madisonville lighthouse 2
Madisonville's Tchefuncte River Lighthouse stands on the Saint Tammany northshore of Lake Pontchartrain. This lighthouse was built in 1837.

St. Tammany Parish (French: Paroisse de Saint-Tammany) is a parish located in the U.S. state of Louisiana named after Tamanend, the Legendary Principle Lenape Chief & the "Patron Saint of America." At the 2010 census, the population was 233,740, making it the fifth-most populous parish in Louisiana. In 2020, its population was 264,570. The parish seat is Covington. The parish was founded in 1810.

St. Tammany Parish is included in the New OrleansMetairie metropolitan statistical area. St. Tammany Parish is one of the fastest-growing parishes in the state, along with Livingston and Ascension. The population has quadrupled since 1970, and is expected to double again by 2030, expecting to diversify the population of the parish. Though it was not heavily directly damaged by Hurricane Katrina, the community is growing in large part due to subsequent displacement of populations because of the shifting landscape in the larger Metropolitan area due to the recovery and subsequent climate change effects.

Demographics

Historical population
Census Pop.
1820 1,723
1830 2,864 66.2%
1840 4,598 60.5%
1850 6,364 38.4%
1860 5,406 −15.1%
1870 5,586 3.3%
1880 6,887 23.3%
1890 10,160 47.5%
1900 13,335 31.3%
1910 18,917 41.9%
1920 20,645 9.1%
1930 20,929 1.4%
1940 23,624 12.9%
1950 26,988 14.2%
1960 38,643 43.2%
1970 68,585 77.5%
1980 110,869 61.7%
1990 144,508 30.3%
2000 191,268 32.4%
2010 233,740 22.2%
2020 264,570 13.2%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2019
St. Tammany Parish racial composition as of 2020
Race Number Percentage
White (non-Hispanic) 192,144 72.63%
Black or African American (non-Hispanic) 33,969 12.84%
Native American 876 0.33%
Asian 3,814 1.44%
Pacific Islander 105 0.04%
Other/Mixed 12,818 4.84%
Hispanic or Latino 20,844 7.88%

Per the 2020 United States census, there were 264,570 people, 94,988 households, and 65,335 families residing in the parish. At the 2019 census estimates, there were 255,155 people living in the parish, up from 233,740 at the 2010 U.S. census, and 191,268 at the 2000 census. There were 92,962 households spread out among 102.909 housing units. The racial and ethnic makeup of the parish was 82.8% non-Hispanic white, 12.1% African American, 0.6% Native American, 1.6% Asian, 1.0% some other race, and 1.9% two or more races. Approximately 5.6% of the population was Hispanic and Latin American of any race.

Among the households, the median age was 40.2, and 6.0% of the population were under 5 years of age; 75.9% were aged 18 and older, and 16.4% were aged 65 and older. Culturally, 16.4% of the population were of French ancestry, and 15.5% were German. Irish heritage was 12.2% of the population, and Italians made up 11.3% of the parish. Sub-Saharan African heritage was 0.4% of the population in 2019. The second most-spoken language in St. Tammany Parish was Spanish (4.0%).

Among the population at the 2019 census estimates, 78.4% lived in owner-occupied housing units and the median home value was $218,500. The median gross rent was $1,086 and the median household income was $68,905. An estimated 11.5% of the population lived at or below the poverty line. The employment rate was 56.9%.

Education

Southeastern main entrance LA 3234
Saint Tammany Hall (background) is the first building students pass on going through the main entrance to Southeastern Louisiana University in Hammond, Louisiana.

St. Tammany Parish Public Schools operates the public schools in the parish. They are consistently rated as among the highest-performing in the state.

St. Tammany Parish is within the service areas of two community colleges: Northshore Technical Community College and Delgado Community College. Northshore Technical Community College has its main campus in Lacombe; this campus was established in January 2017. Additionally Nunez Community College in Chalmette, and the Sidney Collier Campus in East New Orleans of Delgado Community College are in proximity to the parish. Previously Covington and Slidell hosted campuses of Delgado Community College, with Slidell having the Slidell Learning Center and later the Northshore-Slidell campus, and with Covington having the Northshore-Covington Campus. The latter opened in summer 2002. The Slidell campus closed in 2016 due to financial issues.

The parish is the eponym of Saint Tammany Hall on the campus of Southeastern Louisiana University, in neighboring Tangipahoa Parish.

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