Jasper County

Baxter
Colfax
Kellogg
Lambs Grove
Lynnville
Mingo
Monroe
Newton
Prairie City
Sully
HASC code :US-IA-JS
FIPS 6-4 code :19099
Capital :Newton
Largest city :Newton
Elevation :High : Baxter 1,000 ft
Low : Sully 818 ft
Population :37,213
Land Area :730 sq mi
(1,891 km²)
Density :50.98/sq mi
(19.68/km²)
Time zone :UTC -6