Assertion: county | /r/HasProperty | 2,447.5 km2
Facets:
Source sentences:
text: Including its lake area, Cook County has a total area of 1,635 square miles (4,234.6 km2), the largest county in Illinois, of which 945 square miles (2,447.5 km2) is land and 690 square miles (1,787.1 km2)