Jasper County, Iowa
Jasper County is a county in Iowa with an estimated population of 37,919 in 2023. 9 cities, towns and Census places in it are indexed here.
Largest places in Jasper County
Newton 15,645Colfax 2,262Monroe 2,010Prairie City 1,712Baxter 976Sully 885Kellogg 596Lynnville 383Mingo 313
About Jasper County
Jasper County is one of the counties of Iowa. County governments in Iowa handle local services such as courts, property records and elections; cities and towns inside the county run their own municipal services. Population figures come from the Census Bureau's Vintage 2023 estimates, which are updated annually.