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Incidence Rates Table

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Incidence Rate Report for Iowa by County

Leukemia (All Stages^), 2018-2022

All Races (includes Hispanic), Both Sexes, All Ages

Sorted by Count

County
sort alphabetically by name ascending 		2023 Rural-Urban Continuum Codes Φ
sort by rural urban descending 		Age-Adjusted Incidence Rate †
cases per 100,000
(95% Confidence Interval)
sort by rate descending 		CI*Rank ⋔
(95% Confidence Interval)
sort by CI rank descending 		Average Annual Count
sort by count descending 		Recent Trend
 Recent 5-Year Trend ‡ in Incidence Rates
(95% Confidence Interval)
sort by trend descending
Iowa 7 N/A 17.2 (16.6, 17.8) N/A 683 rising rising trend 0.6 (0.4, 0.8)
US (SEER+NPCR) 1 N/A 14.3 (14.2, 14.3) N/A 55,515 falling falling trend -1.4 (-2.2, -0.8)
Adair County 7 Rural 28.2 (15.7, 48.0) 4 (1, 63) 3
*
*
Fayette County 7 Rural 11.0 (6.0, 19.0) 63 (17, 63) 3 falling falling trend -2.1 (-4.3, -0.2)
Palo Alto County 7 Rural 24.3 (13.5, 41.2) 9 (1, 63) 3
*
*
O'Brien County 7 Rural 17.0 (9.4, 28.7) 38 (2, 63) 3 stable stable trend 0.0 (-2.7, 2.9)
Buena Vista County 7 Rural 14.4 (8.3, 23.3) 54 (7, 63) 4 stable stable trend -2.0 (-4.1, 0.0)
Butler County 7 Rural 16.8 (9.5, 28.2) 41 (2, 63) 4
*
*
Cedar County 7 Rural 13.6 (7.9, 22.3) 59 (10, 63) 4 stable stable trend -1.3 (-4.0, 1.4)
Dickinson County 7 Rural 14.5 (7.8, 24.8) 55 (4, 63) 4 stable stable trend -0.1 (-2.4, 2.3)
Kossuth County 7 Rural 14.0 (7.7, 24.0) 58 (7, 63) 4 stable stable trend -1.2 (-3.5, 1.0)
Lyon County 7 Rural 21.9 (12.8, 35.6) 18 (1, 63) 4
*
*
Madison County 7 Urban 18.8 (11.0, 30.3) 27 (1, 63) 4
*
*
Grundy County 7 Urban 21.1 (12.3, 34.3) 19 (1, 63) 4 stable stable trend -0.3 (-2.2, 1.8)
Howard County 7 Rural 29.3 (17.2, 47.2) 2 (1, 60) 4
*
*
Lucas County 7 Rural 27.1 (16.1, 44.3) 5 (1, 62) 4
*
*
Poweshiek County 7 Rural 12.7 (7.6, 20.7) 61 (14, 63) 4 stable stable trend -0.7 (-2.3, 0.9)
Buchanan County 7 Rural 16.7 (10.0, 26.2) 44 (4, 63) 4 stable stable trend -1.4 (-3.3, 0.4)
Chickasaw County 7 Rural 26.7 (15.6, 42.7) 6 (1, 63) 4
*
*
Hancock County 7 Rural 23.6 (14.0, 38.2) 12 (1, 63) 4
*
*
Appanoose County 7 Rural 20.5 (12.3, 33.0) 23 (1, 63) 4
*
*
Delaware County 7 Rural 17.1 (10.4, 26.9) 35 (4, 63) 4
*
*
Mahaska County 7 Rural 15.6 (9.6, 24.1) 47 (7, 63) 4
*
*
Carroll County 7 Rural 14.2 (8.9, 22.1) 56 (11, 63) 5 stable stable trend 0.7 (-1.6, 3.3)
Winneshiek County 7 Rural 14.2 (8.9, 22.1) 57 (12, 63) 5
*
*
Jones County 7 Urban 14.9 (9.4, 22.8) 49 (9, 63) 5 stable stable trend 0.2 (-1.8, 2.6)
Wright County 7 Rural 24.7 (15.5, 38.0) 10 (1, 62) 5
*
*
Crawford County 7 Rural 25.1 (15.9, 37.7) 8 (1, 60) 5 stable stable trend 1.5 (-0.4, 3.8)
Henry County 7 Rural 18.1 (11.6, 27.3) 28 (3, 63) 5 stable stable trend 0.8 (-0.9, 2.8)
Clayton County 7 Rural 19.1 (12.1, 29.3) 26 (2, 63) 5 stable stable trend 0.4 (-1.6, 2.8)
Jefferson County 7 Rural 20.6 (13.2, 31.5) 22 (1, 63) 5
*
*
Tama County 7 Rural 23.1 (14.9, 34.4) 14 (1, 61) 5 stable stable trend 0.7 (-1.2, 3.0)
Hardin County 7 Rural 20.4 (13.3, 30.6) 24 (2, 62) 6 stable stable trend 0.8 (-1.2, 3.1)
Lee County 7 Rural 12.9 (8.3, 19.2) 60 (16, 63) 6 stable stable trend 0.2 (-1.6, 2.0)
Plymouth County 7 Rural 17.3 (11.3, 25.5) 33 (4, 63) 6 stable stable trend -0.9 (-3.1, 1.3)
Bremer County 7 Urban 17.9 (11.8, 26.2) 30 (4, 63) 6 stable stable trend 1.6 (-0.2, 3.8)
Boone County 7 Urban 17.1 (11.4, 24.8) 39 (6, 63) 6 stable stable trend -6.0 (-20.0, 2.2)
Clay County 7 Rural 25.8 (17.0, 37.8) 7 (1, 57) 6
*
*
Iowa County 7 Rural 22.5 (15.0, 33.1) 15 (1, 60) 6
*
*
Jackson County 7 Rural 23.9 (15.7, 35.1) 11 (1, 60) 6 stable stable trend -1.2 (-3.7, 1.3)
Floyd County 7 Rural 28.3 (19.1, 40.9) 3 (1, 47) 7 stable stable trend 2.4 (-0.3, 5.8)
Page County 7 Rural 30.0 (20.1, 43.6) 1 (1, 48) 7
*
*
Washington County 7 Urban 22.7 (15.5, 32.4) 16 (1, 60) 7 stable stable trend 0.1 (-1.8, 2.1)
Webster County 7 Rural 14.7 (10.0, 21.0) 52 (12, 63) 7 stable stable trend -0.6 (-2.1, 1.0)
Benton County 7 Urban 20.7 (14.3, 29.2) 20 (2, 60) 7 stable stable trend 0.7 (-0.6, 2.4)
Marshall County 7 Rural 14.8 (10.3, 20.7) 50 (13, 63) 7 stable stable trend 0.3 (-1.5, 2.3)
Marion County 7 Rural 17.5 (12.3, 24.3) 32 (7, 62) 8 stable stable trend -0.6 (-2.4, 1.3)
Muscatine County 7 Rural 15.7 (11.1, 21.6) 46 (12, 63) 8 stable stable trend 0.4 (-1.3, 2.4)
Des Moines County 7 Rural 15.6 (11.1, 21.6) 45 (11, 63) 8 stable stable trend -0.9 (-2.7, 0.9)
Jasper County 7 Urban 17.0 (12.2, 23.3) 37 (8, 62) 9 stable stable trend 0.5 (-1.0, 2.2)
Sioux County 7 Rural 22.1 (16.0, 29.8) 17 (2, 57) 9 stable stable trend 1.4 (-0.1, 3.1)
Wapello County 7 Rural 20.3 (14.8, 27.4) 21 (3, 59) 9 stable stable trend 1.0 (-0.3, 2.4)
Clinton County 7 Rural 16.8 (12.4, 22.3) 42 (9, 62) 11 stable stable trend -0.7 (-2.6, 1.3)
Warren County 7 Urban 17.2 (12.9, 22.6) 34 (9, 62) 11 stable stable trend 1.1 (-0.8, 3.8)
Cerro Gordo County 7 Rural 23.2 (17.7, 30.1) 13 (2, 48) 14 stable stable trend 1.5 (-0.2, 3.5)
Dubuque County 7 Urban 11.9 (9.3, 15.0) 62 (38, 63) 16 stable stable trend 0.1 (-1.0, 1.5)
Story County 7 Urban 16.6 (13.1, 20.8) 43 (13, 61) 16 stable stable trend -0.1 (-1.2, 1.3)
Dallas County 7 Urban 17.6 (14.0, 21.8) 31 (11, 59) 17 stable stable trend -13.3 (-25.8, 0.3)
Pottawattamie County 7 Urban 14.8 (11.8, 18.5) 51 (21, 62) 17 stable stable trend -1.0 (-1.9, 0.0)
Woodbury County 7 Urban 16.9 (13.7, 20.7) 40 (14, 59) 20 stable stable trend 0.2 (-1.0, 1.5)
Black Hawk County 7 Urban 14.9 (12.3, 17.9) 48 (25, 61) 24 stable stable trend 0.2 (-0.6, 1.2)
Johnson County 7 Urban 19.1 (16.0, 22.7) 25 (10, 51) 27 stable stable trend 0.3 (-0.6, 1.6)
Scott County 7 Urban 14.6 (12.3, 17.3) 53 (27, 61) 30 stable stable trend -0.3 (-3.2, 0.5)
Linn County 7 Urban 17.1 (15.0, 19.5) 36 (18, 54) 47 rising rising trend 1.3 (0.4, 2.3)
Polk County 7 Urban 18.2 (16.5, 19.9) 29 (17, 46) 94 stable stable trend 0.0 (-3.1, 1.3)
Adams County 7 Rural
*
*
3 or fewer
*
*
Allamakee County 7 Rural
*
*
3 or fewer
*
*
Audubon County 7 Rural
*
*
3 or fewer
*
*
Calhoun County 7 Rural
*
*
3 or fewer
*
*
Cass County 7 Rural
*
*
3 or fewer
*
*
Cherokee County 7 Rural
*
*
3 or fewer
*
*
Clarke County 7 Rural
*
*
3 or fewer
*
*
Davis County 7 Rural
*
*
3 or fewer
*
*
Decatur County 7 Rural
*
*
3 or fewer
*
*
Emmet County 7 Rural
*
*
3 or fewer
*
*
Franklin County 7 Rural
*
*
3 or fewer
*
*
Fremont County 7 Rural
*
*
3 or fewer
*
*
Greene County 7 Rural
*
*
3 or fewer
*
*
Guthrie County 7 Urban
*
*
3 or fewer
*
*
Hamilton County 7 Rural
*
*
3 or fewer
*
*
Harrison County 7 Urban
*
*
3 or fewer
*
*
Humboldt County 7 Rural
*
*
3 or fewer
*
*
Ida County 7 Rural
*
*
3 or fewer
*
*
Keokuk County 7 Rural
*
*
3 or fewer
*
*
Louisa County 7 Rural
*
*
3 or fewer
*
*
Mills County 7 Urban
*
*
3 or fewer
*
*
Mitchell County 7 Rural
*
*
3 or fewer
*
*
Monona County 7 Rural
*
*
3 or fewer
*
*
Monroe County 7 Rural
*
*
3 or fewer
*
*
Montgomery County 7 Rural
*
*
3 or fewer
*
*
Osceola County 7 Rural
*
*
3 or fewer
*
*
Pocahontas County 7 Rural
*
*
3 or fewer
*
*
Ringgold County 7 Rural
*
*
3 or fewer
*
*
Sac County 7 Rural
*
*
3 or fewer
*
*
Shelby County 7 Rural
*
*
3 or fewer
*
*
Taylor County 7 Rural
*
*
3 or fewer
*
*
Union County 7 Rural
*
*
3 or fewer
*
*
Van Buren County 7 Rural
*
*
3 or fewer
*
*
Wayne County 7 Rural
*
*
3 or fewer
*
*
Winnebago County 7 Rural
*
*
3 or fewer
*
*
Worth County 7 Rural
*
*
3 or fewer
*
*

Notes:
Created by statecancerprofiles.cancer.gov on 03/23/2026 3:47 am.

State Cancer Registries may provide more current or more local data.

† Incidence rates (cases per 100,000 population per year) are age-adjusted to the 2000 US standard population (SEER areas use 20 age groups and NPCR areas use 19 age groups). Rates are for invasive cancer only (except for bladder cancer which is invasive and in situ) or unless otherwise specified. Rates calculated using SEER*Stat. Population counts for denominators are based on Census populations as modified by NCI. The US Population Data File is used for SEER and NPCR incidence rates.

Rates and trends are computed using different standards for malignancy. For more information see malignant.html.

^ All Stages refers to any stage. Due to changes in stage coding, Combined Summary Stage with Expanded Regional Codes (2004+) is used for data from Surveillance, Epidemiology, and End Results (SEER) databases and Merged Summary Stage is used for data from National Program of Cancer Registries databases. Due to the increased complexity with staging, other staging variables maybe used if necessary.

Φ Rural–urban county classifications are based on the 2023 USDA Rural–Urban Continuum Codes (except for Connecticut Counties which use 2013 codes). State-level cancer rates for rural areas are calculated using cancer cases registered exclusively in rural counties, while state-level cancer rates for urban areas are calculated using cases registered exclusively in urban counties.

Source: SEER and NPCR data. For more specific information please see the table.

* Data has been suppressed to ensure confidentiality and stability of rate estimates. Counts are suppressed if fewer than 16 records were reported in a specific area-sex-race category.

Data for United States does not include Puerto Rico.

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