Marion County

Hannibal
Monroe City
Palmyra
HASC code :US-MO-MO
FIPS 6-4 code :29127
Capital :Palmyra
Largest city :Hannibal
Elevation :High : Monroe City 749 ft
Low : Hannibal 491 ft
Population :28,289
Land Area :438 sq mi
(1,134 km²)
Density :64.59/sq mi
(24.94/km²)
Time zone :UTC -6