'Tulsa County, OK' definitions:

Tulsa -- U.S. County in Oklahoma

From: Gazetteer 2000
Name :
Tulsa -- U.S. County in Oklahoma
Population (2000) :
563299
Housing Units (2000) :
243953
Land area (2000) :
570.300306 sq. miles (1477.070950 sq. km)
Water area (2000) :
16.716672 sq. miles (43.295979 sq. km)
Total area (2000) :
587.016978 sq. miles (1520.366929 sq. km)
Located within :
Oklahoma (OK), FIPS 40
Location :
36.124761 N, 95.938999 W