from 25 to 44, 26.2% from 45 to 64, and 19.8% of 65 or older. The median age was 43 years. For every 100 females, there were 95.3 males. For every 100 females age 18 and over, there were 92.3 males. Government Merritt Island is under the administrative care of the local county government, with water being handled by the neighboring city of Cocoa. The county maintains operations for the sheriff's office, fire department, emergency medical services, and sewage systems. Economy Personal income According to the 2000 Census: Median household income = $43,532 Median family income = $52,388 Median income for males = $41,393 Median income for females = $25,787 Per capita income = $23,961 Below the poverty line: Families = 7.2% Population = 9.4% Those under age 18 = 13.8% Those over age 64 = 7.0% Industry There are light industrial fabrication centers on the Merritt Island Airport, and NASA-related industrial activities to support the Space Shuttle, which was retired in summer of 2011, and other rocket launches on Cape Canaveral Space Force Station. Air Liquide operates a plant there. Redevelopment Merritt Island has a redevelopment agency funded by the county. Education Merritt Island has several schools. Public schools are operated by Brevard Public Schools: MILA Elementary Tropical Elementary Audubon Elementary Robert Louis Stevenson School of the Arts Lewis Carroll Elementary Gardendale Elementary (Closed since 2014) Thomas Jefferson Middle School Edgewood Junior/Senior High School Merritt Island High School Private schools: Merritt Island Christian Calvary Chapel Christian School Library district The Merritt Island Public Library, though a part of the Brevard County Library System, is a state-designated special library district. Since Merritt Island is an unincorporated area of Brevard County, in 1965 the area applied for, and was designated, a special library district under Chapter 65-1289 by the Florida Legislature. In 2005, the Florida House of Representatives codified all special acts and amendments, in regards to the Merritt Island Public Library District, under HB 1079. Infrastructure Roads The residential areas of Merritt Island, East and West Merritt Island, are only accessible by causeway or drawbridge at all points. The island is linked by causeways, SR 520 (Merritt Island Causeway), , State Road 404 (Pineda Causeway), , State Road 405, , State Road 406, and SR 528, to the barrier island to its east and the mainland to the west. Mathers Bridge connects the southernmost area to the barrier island. SR