'Williamson County' definitions:
Williamson -- U.S. County in Illinois
From: Gazetteer 2000
Name :
Williamson -- U.S. County in Illinois
Population (2000) :
61296
Housing Units (2000) :
27703
Land area (2000) :
423.413908 sq. miles (1096.636941 sq. km)
Water area (2000) :
20.962111 sq. miles (54.291615 sq. km)
Total area (2000) :
444.376019 sq. miles (1150.928556 sq. km)
Located within :
Illinois (IL), FIPS 17
Location :
37.749230 N, 88.972314 W
Williamson -- U.S. County in Tennessee
From: Gazetteer 2000
Name :
Williamson -- U.S. County in Tennessee
Population (2000) :
126638
Housing Units (2000) :
47005
Land area (2000) :
582.681178 sq. miles (1509.137258 sq. km)
Water area (2000) :
0.939955 sq. miles (2.434473 sq. km)
Total area (2000) :
583.621133 sq. miles (1511.571731 sq. km)
Located within :
Tennessee (TN), FIPS 47
Location :
35.911095 N, 86.883433 W
Williamson -- U.S. County in Texas
From: Gazetteer 2000
Name :
Williamson -- U.S. County in Texas
Population (2000) :
249967
Housing Units (2000) :
90325
Land area (2000) :
1122.766605 sq. miles (2907.952035 sq. km)
Water area (2000) :
11.973644 sq. miles (31.011595 sq. km)
Total area (2000) :
1134.740249 sq. miles (2938.963630 sq. km)
Located within :
Texas (TX), FIPS 48
Location :
30.596722 N, 97.672983 W