'Atchison County, MO' definitions:

Atchison -- U.S. County in Missouri

From: Gazetteer 2000
Name :
Atchison -- U.S. County in Missouri
Population (2000) :
6430
Housing Units (2000) :
3103
Land area (2000) :
544.717621 sq. miles (1410.812102 sq. km)
Water area (2000) :
2.643486 sq. miles (6.846598 sq. km)
Total area (2000) :
547.361107 sq. miles (1417.658700 sq. km)
Located within :
Missouri (MO), FIPS 29
Location :
40.424242 N, 95.449856 W