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Tip: Hover on a county to see its rate (and 95% C.I.).

Iowa map showing age-adjusted incidence rates by county. Buchanan County 2015 - 2019 Age-adjusted incidence rate = 15.4 (9.2 - 24.3) Wapello County 2015 - 2019 Age-adjusted incidence rate = 16.6 (11.4 - 23.4) Clayton County 2015 - 2019 Age-adjusted incidence rate = 16.9 (10.0 - 27.1) Iowa County 2015 - 2019 Age-adjusted incidence rate = 17.6 (10.1 - 28.8) Buena Vista County 2015 - 2019 Age-adjusted incidence rate = 18.5 (10.9 - 29.2) Madison County 2015 - 2019 Age-adjusted incidence rate = 18.7 (10.9 - 30.2) Washington County 2015 - 2019 Age-adjusted incidence rate = 20.2 (12.7 - 30.6) Mahaska County 2015 - 2019 Age-adjusted incidence rate = 20.6 (13.3 - 30.5) Shelby County 2015 - 2019 Age-adjusted incidence rate = 20.9 (11.5 - 35.5) Appanoose County 2015 - 2019 Age-adjusted incidence rate = 22.8 (13.3 - 36.8) Muscatine County 2015 - 2019 Age-adjusted incidence rate = 23.0 (17.2 - 30.1) O'Brien County 2015 - 2019 Age-adjusted incidence rate = 23.1 (13.2 - 37.7) Jefferson County 2015 - 2019 Age-adjusted incidence rate = 23.5 (14.8 - 35.6) Polk County 2015 - 2019 Age-adjusted incidence rate = 24.0 (22.0 - 26.0) Humboldt County 2015 - 2019 Age-adjusted incidence rate = 24.5 (14.6 - 39.9) Crawford County 2015 - 2019 Age-adjusted incidence rate = 25.5 (16.6 - 37.7) Sac County 2015 - 2019 Age-adjusted incidence rate = 25.5 (15.7 - 40.6) Lyon County 2015 - 2019 Age-adjusted incidence rate = 25.7 (14.9 - 41.5) Harrison County 2015 - 2019 Age-adjusted incidence rate = 26.2 (16.0 - 40.8) Pottawattamie County 2015 - 2019 Age-adjusted incidence rate = 26.3 (22.0 - 31.2) Lee County 2015 - 2019 Age-adjusted incidence rate = 26.5 (19.5 - 35.2) Guthrie County 2015 - 2019 Age-adjusted incidence rate = 26.5 (16.0 - 42.3) Page County 2015 - 2019 Age-adjusted incidence rate = 26.7 (17.6 - 39.4) Story County 2015 - 2019 Age-adjusted incidence rate = 26.7 (21.9 - 32.4) Mills County 2015 - 2019 Age-adjusted incidence rate = 26.8 (16.6 - 41.1) Cass County 2015 - 2019 Age-adjusted incidence rate = 27.0 (16.2 - 42.3) Monona County 2015 - 2019 Age-adjusted incidence rate = 27.0 (14.6 - 46.5) Warren County 2015 - 2019 Age-adjusted incidence rate = 27.1 (21.3 - 34.1) Hardin County 2015 - 2019 Age-adjusted incidence rate = 27.3 (17.8 - 40.4) Union County 2015 - 2019 Age-adjusted incidence rate = 27.4 (17.0 - 42.3) Emmet County 2015 - 2019 Age-adjusted incidence rate = 27.6 (14.9 - 46.8) Webster County 2015 - 2019 Age-adjusted incidence rate = 27.6 (21.1 - 35.7) Poweshiek County 2015 - 2019 Age-adjusted incidence rate = 27.9 (18.6 - 40.6) Tama County 2015 - 2019 Age-adjusted incidence rate = 28.1 (18.3 - 41.4) Greene County 2015 - 2019 Age-adjusted incidence rate = 28.6 (15.9 - 47.9) Cherokee County 2015 - 2019 Age-adjusted incidence rate = 28.7 (17.4 - 45.2) Black Hawk County 2015 - 2019 Age-adjusted incidence rate = 29.0 (25.0 - 33.4) Boone County 2015 - 2019 Age-adjusted incidence rate = 29.0 (21.3 - 38.7) Winnebago County 2015 - 2019 Age-adjusted incidence rate = 29.3 (16.5 - 48.1) Dallas County 2015 - 2019 Age-adjusted incidence rate = 29.3 (24.4 - 35.0) Marshall County 2015 - 2019 Age-adjusted incidence rate = 29.8 (22.9 - 38.1) Chickasaw County 2015 - 2019 Age-adjusted incidence rate = 30.0 (18.0 - 47.2) Hamilton County 2015 - 2019 Age-adjusted incidence rate = 30.1 (18.8 - 45.8) Woodbury County 2015 - 2019 Age-adjusted incidence rate = 30.4 (25.9 - 35.5) Clinton County 2015 - 2019 Age-adjusted incidence rate = 30.5 (24.3 - 37.9) Scott County 2015 - 2019 Age-adjusted incidence rate = 30.9 (27.4 - 34.7) Marion County 2015 - 2019 Age-adjusted incidence rate = 31.2 (23.5 - 40.8) Jasper County 2015 - 2019 Age-adjusted incidence rate = 31.4 (24.4 - 40.0) Linn County 2015 - 2019 Age-adjusted incidence rate = 31.9 (28.8 - 35.3) Howard County 2015 - 2019 Age-adjusted incidence rate = 32.0 (17.7 - 53.1) Palo Alto County 2015 - 2019 Age-adjusted incidence rate = 32.4 (18.9 - 52.4) Johnson County 2015 - 2019 Age-adjusted incidence rate = 32.6 (28.3 - 37.4) Cedar County 2015 - 2019 Age-adjusted incidence rate = 32.6 (22.9 - 45.4) Henry County 2015 - 2019 Age-adjusted incidence rate = 33.0 (22.9 - 46.2) Allamakee County 2015 - 2019 Age-adjusted incidence rate = 33.4 (21.4 - 49.8) Fayette County 2015 - 2019 Age-adjusted incidence rate = 33.6 (23.2 - 47.2) Grundy County 2015 - 2019 Age-adjusted incidence rate = 33.8 (22.0 - 50.2) Des Moines County 2015 - 2019 Age-adjusted incidence rate = 34.0 (26.9 - 42.5) Jones County 2015 - 2019 Age-adjusted incidence rate = 34.3 (24.2 - 47.3) Carroll County 2015 - 2019 Age-adjusted incidence rate = 34.6 (24.5 - 47.7) Butler County 2015 - 2019 Age-adjusted incidence rate = 35.1 (24.3 - 49.5) Bremer County 2015 - 2019 Age-adjusted incidence rate = 36.5 (27.1 - 48.1) Clay County 2015 - 2019 Age-adjusted incidence rate = 37.0 (25.2 - 52.6) Benton County 2015 - 2019 Age-adjusted incidence rate = 37.6 (28.5 - 48.8) Floyd County 2015 - 2019 Age-adjusted incidence rate = 38.0 (25.9 - 53.9) Hancock County 2015 - 2019 Age-adjusted incidence rate = 38.4 (24.8 - 57.4) Calhoun County 2015 - 2019 Age-adjusted incidence rate = 40.9 (24.4 - 64.0) Mitchell County 2015 - 2019 Age-adjusted incidence rate = 42.7 (26.4 - 65.1) Jackson County 2015 - 2019 Age-adjusted incidence rate = 43.3 (31.3 - 58.5) Dubuque County 2015 - 2019 Age-adjusted incidence rate = 44.5 (38.8 - 50.7) Cerro Gordo County 2015 - 2019 Age-adjusted incidence rate = 45.0 (36.9 - 54.3) Worth County 2015 - 2019 Age-adjusted incidence rate = 46.2 (26.9 - 74.1) Kossuth County 2015 - 2019 Age-adjusted incidence rate = 48.6 (33.8 - 67.7) Winneshiek County 2015 - 2019 Age-adjusted incidence rate = 49.2 (36.1 - 65.7) Delaware County 2015 - 2019 Age-adjusted incidence rate = 51.0 (37.0 - 68.6) Franklin County 2015 - 2019 Age-adjusted incidence rate = 51.5 (35.0 - 73.6) Plymouth County 2015 - 2019 Age-adjusted incidence rate = 51.6 (40.2 - 65.3) Sioux County 2015 - 2019 Age-adjusted incidence rate = 51.8 (41.2 - 64.1) Dickinson County 2015 - 2019 Age-adjusted incidence rate = 54.1 (40.6 - 71.0) Ringgold County suppressed due to insufficient counts. Audubon County suppressed due to insufficient counts. Adair County suppressed due to insufficient counts. Wayne County suppressed due to insufficient counts. Taylor County suppressed due to insufficient counts. Monroe County suppressed due to insufficient counts. Keokuk County suppressed due to insufficient counts. Osceola County suppressed due to insufficient counts. Clarke County suppressed due to insufficient counts. Fremont County suppressed due to insufficient counts. Adams County suppressed due to insufficient counts. Lucas County suppressed due to insufficient counts. Montgomery County suppressed due to insufficient counts. Pocahontas County suppressed due to insufficient counts. Louisa County suppressed due to insufficient counts. Van Buren County suppressed due to insufficient counts. Decatur County suppressed due to insufficient counts. Wright County suppressed due to insufficient counts. Davis County suppressed due to insufficient counts. Ida County suppressed due to insufficient counts. interval types State Cancer Registries may provide more current or more local data. Click here to go to a list of State Cancer Registries Click here for more information about differences from the State Cancer Profiles web site and other statistics published. Incidence Rates are age-adjusted to the 2000 US standard population by 5-year age groups. To get more information on the standard population, click here. Population Data File malignant.html Data have been suppressed to ensure confidentiality and stability of rate estimates. For more information, click here.