Just to clarify...
Walt Disney World Resort Complex - Land Use (as of 1999)
00.04 % Residential - 11 acres (17 homes of RCID government employees)
00.98 % Commercial - 244 acres (mostly Downtown Disney, plus various office buildings)
12.27 % Hotels / Resorts / Golf - 3,059 acres
08.98 % Entertainment - 2,237 acres (Major Theme Parks & other attractions)
02.76% Support Facilities - 689 acres
09.76 % Public Facilities / Roads - 2,432 acres
04.06 % Agriculture - 1,012 acres (mostly used for cattle grazing)
24.46 % Undeveloped Open Space - 6,096 acres*
30.56 % Conservation - 7,617 acres
06.13 % Water Bodies - 1,527 acres (Reedy Creek Swamp, Bay Lake, Seven Seas Lagoon, etc.)
100.00 % TOTAL 24,924 acres
* This category is used to describe all undeveloped, non agricultural land outside the Conservation area. Most of the land is forested. About 3,558 acres is wetland areas, designated by the District as Resource Management and Recreation areas. It also includes 2,538 acres of vacant land, most of which is suitable for future development.
(These figures include just the Walt Disney World Resort complex, and does not include areas such as Celebration, and other land owned by the Walt Disney Company and governed by RCID but not part of the entertainment complex)
Source - Reedy Creek Improvement District Full 2008 Comprehensive Plan