The median age was 35 years. For every 100 females, there were 87.0 males. For every 100 females age 18 and over, there were 81.3 males. The median income for a household in the city was $24,410, and the median income for a family was $30,783. Males had a median income of $26,630 versus $19,010 for females. The per capita income for the city was $12,357. About 22.4% of families and 26.2% of the population were below the poverty line, including 34.3% of those under the age of 18 and 18.1% of those ages 65 or older. Jefferson Davis Parish Public Schools operates public schools serving Jennings. The schools serving Jennings, all within the city, include Ward Elementary School (PK-2), Jennings Elementary School (3-6), and Jennings High School (7-12) . Bethel Christian School is a PreK-12 Christian school located in unincorporated Jefferson Davis Parish, near Jennings. Jefferson Davis Parish Library operates the Headquarters Branch at 118 West Plaquemine Street in Jennings. In addition the City of Jennings operates the Jennings Carnegie Public Library at 303 North Cary Avenue. Our Lady Immaculate (OLI) is a Catholic school serving grades PREK-8  The climate in this area is characterized by hot, humid summers and generally mild to cool winters. According to the Köppen Climate Classification system, Jennings has a humid subtropical climate, abbreviated "Cfa" on climate maps.