St. Bernard Parish (French: Paroisse de Saint-Bernard; Spanish: Parroquia de San Bernardo) is a parish located in the U.S. state of Louisiana. As of the 2010 census, the population was 35,897. The parish seat and largest community is Chalmette. The parish was formed in 1807.
According to the U.S. Census Bureau, the parish has a total area of 2,158 square miles (5,590 km), of which 378 square miles (980 km) is land and 1,781 square miles (4,610 km) (83%) is water. It is the second largest parish in Louisiana by total area and has the largest percentage of area in water of any parish.
The parish of St. Bernard embraces numerous small islands. The parish is classed among the alluvial lands of the state. The ridges comprise the arable lands of the parish and have an area of 37,000 acres (150 km²). The principal streams are the Bayous Terre aux Boeufs and La Loutre. There are numerous smaller streams which are efficient drainage canals. The dominant tree species is bald cypress, of which the most valuable trees have been cut and processed.
As of the census of 2000, there were 67,229 people (an increase of 598 or 0.9% over the previous decade), 25,123 households, and 18,289 families residing in the parish. The population density was 145 people per square mile (56/km²). There were 26,790 housing units at an average density of 58 per square mile (22/km²). The racial makeup of the parish was 88.29% White, 7.62% Black or African American, 0.49% Native American, 1.32% Asian, 0.02% Pacific Islander, 0.73% from other races, and 1.52% from two or more races. 5.09% of the population were Hispanic or Latino of any race.
There were 25,123 households out of which 33.70% had children under the age of 18 living with them, 53.40% were married couples living together, 14.60% had a female householder with no husband present, and 27.20% were non-families. 22.90% of all households were made up of individuals and 10.10% had someone living alone who was 65 years of age or older. The average household size was 2.64 and the average family size was 3.12.
In the parish the population was spread out with 25.20% under the age of 18, 9.20% from 18 to 24, 29.20% from 25 to 44, 22.60% from 45 to 64, and 13.80% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 93.60 males. For every 100 females age 18 and over, there were 90.10 males.
The median income for a household in the parish was $35,939, and the median income for a family was $42,785. Males had a median income of $34,303 versus $24,009 for females. The per capita income for the parish was $16,718. About 10.50% of families and 13.10% of the population were below the poverty line, including 16.50% of those under age 18 and 11.40% of those age 65 or over.
As of the census of 2010, there are 35,897 people. The racial makeup of the parish was 26,579 whites, 6,350 blacks, 690 Asians, 260 Native American, and the rest of any other race.
Between the 2000 U.S. Census and the 2010 U.S. Census the Hispanic population of St. Bernard Parish increased. As of 2011 9% of the parish population is Hispanic.