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Incidence Rates Table

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Incidence Rate Report for Iowa by County

Breast (in situ) (All Stages^), 2018-2022

All Races (includes Hispanic), Female, All Ages

Sorted by Recentaapc

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 30.0 (28.9, 31.2) N/A 566 rising rising trend 0.7 (0.3, 1.1)
US (SEER+NPCR) 1 N/A 29.8 (29.7, 29.9) N/A 60,125 stable stable trend 1.6 (-0.3, 3.5)
Cerro Gordo County 7 Rural 22.8 (15.2, 33.0) 35 (12, 37) 7 falling falling trend -4.7 (-12.2, -1.3)
Woodbury County 7 Urban 19.4 (14.5, 25.5) 37 (24, 37) 11 falling falling trend -3.8 (-11.0, -0.5)
Muscatine County 7 Rural 23.4 (15.5, 34.0) 34 (11, 37) 6 stable stable trend 0.3 (-1.3, 2.1)
Dubuque County 7 Urban 35.2 (28.4, 43.1) 14 (3, 29) 22 stable stable trend 0.4 (-0.7, 1.7)
Warren County 7 Urban 34.1 (25.2, 45.2) 15 (2, 34) 10 stable stable trend 0.5 (-0.8, 2.2)
Des Moines County 7 Rural 24.7 (16.5, 35.7) 30 (9, 37) 7 stable stable trend 0.9 (-0.9, 2.9)
Pottawattamie County 7 Urban 21.6 (16.6, 27.7) 36 (22, 37) 14 stable stable trend 1.0 (-0.8, 3.1)
Webster County 7 Rural 24.4 (15.1, 37.3) 31 (7, 37) 5 stable stable trend 1.0 (-1.3, 3.4)
Black Hawk County 7 Urban 33.0 (27.2, 39.7) 16 (5, 30) 25 stable stable trend 1.1 (-0.8, 3.2)
Fayette County 7 Rural 31.8 (20.4, 48.5) 21 (2, 37) 5 stable stable trend 1.4 (-1.3, 4.9)
Story County 7 Urban 31.8 (24.1, 41.1) 20 (4, 34) 13 stable stable trend 1.6 (-0.3, 4.1)
Linn County 7 Urban 40.4 (35.6, 45.7) 6 (2, 18) 55 rising rising trend 1.7 (0.5, 3.1)
Carroll County 7 Rural 31.8 (19.0, 50.4) 19 (1, 37) 4 stable stable trend 1.8 (-1.6, 5.8)
Johnson County 7 Urban 43.0 (36.1, 50.7) 3 (1, 18) 30 rising rising trend 1.8 (0.3, 3.8)
Marion County 7 Rural 29.7 (20.1, 42.7) 25 (3, 37) 7 stable stable trend 2.1 (0.0, 5.2)
Jasper County 7 Urban 25.5 (16.4, 37.8) 29 (7, 37) 6 rising rising trend 2.2 (0.2, 4.6)
Polk County 7 Urban 31.3 (28.3, 34.5) 22 (12, 28) 84 stable stable trend 2.4 (-1.0, 10.2)
Marshall County 7 Rural 25.7 (16.9, 37.5) 28 (7, 37) 6 stable stable trend 2.6 (0.0, 5.9)
Scott County 7 Urban 35.6 (30.5, 41.3) 13 (4, 26) 37 rising rising trend 3.1 (2.1, 4.5)
Sioux County 7 Rural 38.9 (26.7, 54.6) 8 (1, 33) 7 rising rising trend 3.3 (1.5, 5.8)
Clinton County 7 Rural 38.8 (28.8, 51.1) 9 (1, 30) 12 rising rising trend 4.7 (3.0, 7.3)
Allamakee County 7 Rural 47.2 (31.5, 70.1) 2 (1, 29) 6
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Benton County 7 Urban 30.3 (18.5, 46.8) 24 (2, 37) 5
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Boone County 7 Urban 24.3 (14.8, 38.1) 32 (6, 37) 4
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Bremer County 7 Urban 38.1 (25.1, 55.7) 10 (1, 35) 6
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Cedar County 7 Rural 32.3 (18.9, 51.9) 18 (1, 37) 4
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Clayton County 7 Rural 31.0 (16.9, 52.5) 23 (1, 37) 4
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Dallas County 7 Urban 26.0 (20.1, 33.0) 27 (13, 37) 14
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Delaware County 7 Rural 37.6 (22.2, 59.9) 11 (1, 37) 4
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Grundy County 7 Urban 50.3 (31.6, 77.5) 1 (1, 31) 5
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Jefferson County 7 Rural 29.1 (15.1, 51.6) 26 (1, 37) 3
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Jones County 7 Urban 43.0 (28.0, 63.7) 4 (1, 33) 6
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Lee County 7 Rural 36.7 (25.5, 51.4) 12 (1, 34) 8
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Madison County 7 Urban 39.4 (22.9, 63.3) 7 (1, 37) 4
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O'Brien County 7 Rural 42.1 (24.3, 68.5) 5 (1, 37) 4
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Plymouth County 7 Rural 32.7 (20.3, 49.8) 17 (1, 37) 5
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Washington County 7 Urban 23.5 (13.7, 38.3) 33 (6, 37) 4
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Adair County 7 Rural
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3 or fewer
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Adams County 7 Rural
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3 or fewer
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Appanoose County 7 Rural
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3 or fewer
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Audubon County 7 Rural
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3 or fewer
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Buchanan County 7 Rural
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3 or fewer
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Buena Vista County 7 Rural
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3 or fewer
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Butler County 7 Rural
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3 or fewer
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Calhoun County 7 Rural
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3 or fewer
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Cass County 7 Rural
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3 or fewer
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Cherokee County 7 Rural
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3 or fewer
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Chickasaw County 7 Rural
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3 or fewer
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Clarke County 7 Rural
*
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3 or fewer
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Clay County 7 Rural
*
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3 or fewer
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Crawford County 7 Rural
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3 or fewer
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Davis County 7 Rural
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3 or fewer
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Decatur County 7 Rural
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3 or fewer
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Dickinson County 7 Rural
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3 or fewer
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Emmet County 7 Rural
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3 or fewer
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Floyd County 7 Rural
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3 or fewer
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Franklin County 7 Rural
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3 or fewer
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Fremont County 7 Rural
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3 or fewer
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Greene County 7 Rural
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3 or fewer
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Guthrie County 7 Urban
*
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3 or fewer
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Hamilton County 7 Rural
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3 or fewer
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Hancock County 7 Rural
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3 or fewer
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Hardin County 7 Rural
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3 or fewer
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Harrison County 7 Urban
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3 or fewer
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Henry County 7 Rural
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3 or fewer
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Howard County 7 Rural
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3 or fewer
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Humboldt County 7 Rural
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3 or fewer
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Ida County 7 Rural
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3 or fewer
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Iowa County 7 Rural
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3 or fewer
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Jackson County 7 Rural
*
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3 or fewer
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Keokuk County 7 Rural
*
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3 or fewer
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Kossuth County 7 Rural
*
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3 or fewer
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Louisa County 7 Rural
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3 or fewer
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Lucas County 7 Rural
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3 or fewer
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Lyon County 7 Rural
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3 or fewer
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Mahaska County 7 Rural
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3 or fewer
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Mills County 7 Urban
*
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3 or fewer
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Mitchell County 7 Rural
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3 or fewer
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Monona County 7 Rural
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3 or fewer
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Monroe County 7 Rural
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3 or fewer
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Montgomery County 7 Rural
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3 or fewer
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Osceola County 7 Rural
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3 or fewer
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Page County 7 Rural
*
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3 or fewer
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Palo Alto County 7 Rural
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3 or fewer
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Pocahontas County 7 Rural
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3 or fewer
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Poweshiek County 7 Rural
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3 or fewer
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Ringgold County 7 Rural
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3 or fewer
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Sac County 7 Rural
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3 or fewer
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Shelby County 7 Rural
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3 or fewer
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Tama County 7 Rural
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3 or fewer
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Taylor County 7 Rural
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3 or fewer
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Union County 7 Rural
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3 or fewer
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Van Buren County 7 Rural
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3 or fewer
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Wapello County 7 Rural
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3 or fewer
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Wayne County 7 Rural
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3 or fewer
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Winnebago County 7 Rural
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3 or fewer
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Winneshiek County 7 Rural
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3 or fewer
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Worth County 7 Rural
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3 or fewer
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Wright County 7 Rural
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3 or fewer
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Notes:
Created by statecancerprofiles.cancer.gov on 03/21/2026 2:14 pm.

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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