31636 -- U.S. ZIP code Municipality (1990): LAKE PARK, Georgia All ZIPs for this municipality (1990): 31636 Population (2000): 7948 Housing Units (2000): 3405 Land area (2000): 215.698877 sq. miles (558.657503 sq. km) Water area (2000): 4.496777 sq. miles (11.646599 sq. km) Total area (2000): 220.195654 sq. miles (570.304102 sq. km) Located within: Georgia (GA) Location: 30.722890 N, 83.133021 W