What is "dekalb"

Population (2000): 39018
Housing Units (2000): 13619
Land area (2000): 12.611089 sq. miles (32.662570 sq. km)
Water area (2000): 0.007811 sq. miles (0.020231 sq. km)
Total area (2000): 12.618900 sq. miles (32.682801 sq. km)
FIPS code: 19161
Located within: Illinois (IL), FIPS 17
Location: 41.931274 N, 88.750151 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords:

Population (2000): 88969
Housing Units (2000): 32988
Land area (2000): 634.156450 sq. miles (1642.457595 sq. km)
Water area (2000): 0.813404 sq. miles (2.106707 sq. km)
Total area (2000): 634.969854 sq. miles (1644.564302 sq. km)
Located within: Illinois (IL), FIPS 17
Location: 41.897263 N, 88.739318 W
Headwords:

Population (2000): 40285
Housing Units (2000): 16144
Land area (2000): 362.878007 sq. miles (939.849684 sq. km)
Water area (2000): 0.965691 sq. miles (2.501129 sq. km)
Total area (2000): 363.843698 sq. miles (942.350813 sq. km)
Located within: Indiana (IN), FIPS 18
Location: 41.388868 N, 85.017127 W
Headwords:

Population (2000): 64452
Housing Units (2000): 28051
Land area (2000): 777.912805 sq. miles (2014.784830 sq. km)
Water area (2000): 0.736851 sq. miles (1.908435 sq. km)
Total area (2000): 778.649656 sq. miles (2016.693265 sq. km)
Located within: Alabama (AL), FIPS 01
Location: 34.459133 N, 85.798919 W
Headwords:

Population (2000): 11597
Housing Units (2000): 3839
Land area (2000): 424.198787 sq. miles (1098.669767 sq. km)
Water area (2000): 1.569360 sq. miles (4.064624 sq. km)
Total area (2000): 425.768147 sq. miles (1102.734391 sq. km)
Located within: Missouri (MO), FIPS 29
Location: 39.881288 N, 94.405092 W
Headwords:

Population (2000): 17423
Housing Units (2000): 8409
Land area (2000): 304.568842 sq. miles (788.829647 sq. km)
Water area (2000): 24.412230 sq. miles (63.227382 sq. km)
Total area (2000): 328.981072 sq. miles (852.057029 sq. km)
Located within: Tennessee (TN), FIPS 47
Location: 35.983114 N, 85.853275 W
Headwords:

Population (2000): 665865
Housing Units (2000): 261231
Land area (2000): 268.205541 sq. miles (694.649134 sq. km)
Water area (2000): 2.702270 sq. miles (6.998847 sq. km)
Total area (2000): 270.907811 sq. miles (701.647981 sq. km)
Located within: Georgia (GA), FIPS 13
Location: 33.790944 N, 84.257680 W
Headwords: