Incidence Rates Table
Incidence Rate Report for Iowa by County
Breast (Late Stage^), 2018-2022
All Races (includes Hispanic), Female, All Ages
Sorted by Count
County
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2023 Rural-Urban Continuum Codes Φ
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Age-Adjusted Incidence Rate † cases per 100,000 (95% Confidence Interval)
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CI*Rank ⋔ (95% Confidence Interval)
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Average Annual Count
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Percent of Cases with Late Stage
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|---|---|---|---|---|---|
| Iowa 7 | N/A | 42.8 (41.4, 44.2) | N/A | 812 | 29.9 |
| US (SEER+NPCR) 1 | N/A | 42.4 (42.3, 42.5) | N/A | 83,714 | 31.0 |
| Polk County 7 | Urban | 44.1 (40.5, 47.9) | 39 (22, 54) | 117 | 29.8 |
| Linn County 7 | Urban | 40.7 (35.9, 46.0) | 53 (26, 63) | 55 | 26.9 |
| Scott County 7 | Urban | 40.8 (35.3, 46.8) | 52 (23, 64) | 43 | 26.4 |
| Black Hawk County 7 | Urban | 46.8 (39.5, 55.0) | 31 (12, 58) | 34 | 29.2 |
| Johnson County 7 | Urban | 46.8 (39.7, 54.8) | 32 (13, 58) | 33 | 28.7 |
| Pottawattamie County 7 | Urban | 41.3 (34.1, 49.6) | 47 (19, 67) | 26 | 30.8 |
| Dallas County 7 | Urban | 40.9 (33.4, 49.5) | 51 (18, 67) | 21 | 28.3 |
| Woodbury County 7 | Urban | 33.4 (27.0, 40.8) | 65 (34, 73) | 21 | 28.7 |
| Dubuque County 7 | Urban | 34.6 (27.6, 42.8) | 64 (30, 72) | 19 | 23.2 |
| Story County 7 | Urban | 42.8 (34.0, 53.3) | 43 (13, 67) | 18 | 29.9 |
| Warren County 7 | Urban | 43.3 (33.2, 55.6) | 42 (11, 69) | 13 | 26.5 |
| Wapello County 7 | Rural | 55.9 (42.4, 72.5) | 15 (2, 62) | 13 | 41.1 |
| Cerro Gordo County 7 | Rural | 43.5 (32.1, 57.7) | 41 (9, 71) | 12 | 28.2 |
| Clinton County 7 | Rural | 40.6 (30.4, 53.2) | 54 (14, 72) | 12 | 27.1 |
| Jasper County 7 | Urban | 44.9 (32.9, 60.1) | 36 (8, 71) | 11 | 28.5 |
| Marion County 7 | Rural | 45.8 (33.1, 61.9) | 34 (7, 70) | 10 | 29.3 |
| Muscatine County 7 | Rural | 40.5 (29.5, 54.3) | 56 (12, 72) | 10 | 32.2 |
| Washington County 7 | Urban | 75.2 (54.3, 101.3) | 3 (1, 43) | 10 | 39.2 |
| Webster County 7 | Rural | 41.0 (29.2, 56.1) | 48 (10, 73) | 10 | 34.0 |
| Des Moines County 7 | Rural | 36.1 (25.6, 49.6) | 60 (15, 74) | 9 | 26.2 |
| Mahaska County 7 | Rural | 69.2 (49.3, 94.5) | 6 (1, 49) | 9 | 40.7 |
| Sioux County 7 | Rural | 48.6 (34.6, 66.1) | 27 (4, 71) | 9 | 33.1 |
| Bremer County 7 | Urban | 45.2 (31.5, 63.1) | 37 (6, 73) | 8 | 34.8 |
| Lee County 7 | Rural | 39.6 (27.2, 55.6) | 57 (9, 74) | 8 | 27.5 |
| Marshall County 7 | Rural | 28.7 (19.8, 40.4) | 70 (33, 75) | 7 | 24.3 |
| Fayette County 7 | Rural | 50.9 (34.0, 73.7) | 21 (2, 71) | 7 | 39.6 |
| Winneshiek County 7 | Rural | 54.6 (36.1, 79.3) | 17 (1, 70) | 7 | 34.3 |
| Boone County 7 | Urban | 35.0 (23.4, 50.8) | 62 (15, 75) | 7 | 27.7 |
| Clayton County 7 | Rural | 57.2 (37.0, 84.9) | 14 (1, 70) | 7 | 44.0 |
| Poweshiek County 7 | Rural | 49.2 (32.3, 72.4) | 24 (2, 72) | 6 | 37.6 |
| Buchanan County 7 | Rural | 46.5 (30.8, 67.7) | 33 (5, 73) | 6 | 38.3 |
| Jefferson County 7 | Rural | 50.8 (32.7, 76.6) | 22 (2, 73) | 6 | 39.7 |
| Benton County 7 | Urban | 37.8 (24.7, 55.4) | 58 (10, 75) | 6 | 28.3 |
| Tama County 7 | Rural | 54.5 (35.2, 80.9) | 16 (1, 70) | 6 | 31.6 |
| Cedar County 7 | Rural | 44.0 (28.6, 65.5) | 40 (5, 74) | 6 | 28.4 |
| Plymouth County 7 | Rural | 35.0 (22.7, 51.8) | 63 (14, 75) | 6 | 28.4 |
| Cass County 7 | Rural | 58.6 (36.5, 89.7) | 11 (1, 71) | 5 | 38.6 |
| Hamilton County 7 | Rural | 58.1 (36.4, 88.0) | 12 (1, 71) | 5 | 36.5 |
| Iowa County 7 | Rural | 48.1 (30.6, 72.5) | 29 (2, 73) | 5 | 32.1 |
| Page County 7 | Rural | 49.0 (30.5, 75.5) | 26 (2, 74) | 5 | 45.8 |
| Harrison County 7 | Urban | 53.9 (33.9, 81.7) | 18 (1, 73) | 5 | 30.2 |
| Appanoose County 7 | Rural | 58.9 (36.4, 91.1) | 10 (1, 71) | 5 | 36.8 |
| Cherokee County 7 | Rural | 70.6 (42.9, 109.4) | 4 (1, 66) | 5 | 35.7 |
| Chickasaw County 7 | Rural | 69.2 (41.7, 107.8) | 7 (1, 70) | 5 | 40.7 |
| Dickinson County 7 | Rural | 42.3 (25.1, 67.1) | 45 (4, 75) | 5 | 22.6 |
| O'Brien County 7 | Rural | 57.9 (35.0, 89.9) | 13 (1, 73) | 5 | 40.0 |
| Jackson County 7 | Rural | 33.0 (20.2, 51.6) | 66 (13, 75) | 5 | 23.7 |
| Kossuth County 7 | Rural | 42.7 (24.8, 69.0) | 44 (4, 75) | 5 | 33.3 |
| Madison County 7 | Urban | 44.9 (27.9, 68.9) | 35 (4, 74) | 5 | 28.4 |
| Keokuk County 7 | Rural | 77.8 (46.4, 122.2) | 2 (1, 67) | 4 | 44.9 |
| Monona County 7 | Rural | 68.4 (39.7, 110.6) | 8 (1, 71) | 4 | 53.7 |
| Jones County 7 | Urban | 31.9 (19.0, 50.8) | 68 (15, 75) | 4 | 21.9 |
| Butler County 7 | Rural | 41.0 (24.0, 66.2) | 49 (4, 75) | 4 | 29.0 |
| Emmet County 7 | Rural | 65.6 (37.5, 107.1) | 9 (1, 73) | 4 | 45.5 |
| Hardin County 7 | Rural | 40.5 (23.4, 65.2) | 55 (4, 75) | 4 | 27.8 |
| Union County 7 | Rural | 44.8 (25.9, 73.0) | 38 (2, 75) | 4 | 33.9 |
| Carroll County 7 | Rural | 18.6 (10.8, 31.3) | 75 (59, 75) | 4 | 20.0 |
| Guthrie County 7 | Urban | 48.7 (27.1, 81.8) | 25 (1, 75) | 4 | 39.1 |
| Worth County 7 | Rural | 69.9 (39.2, 116.7) | 5 (1, 70) | 4 | 47.4 |
| Allamakee County 7 | Rural | 41.6 (22.9, 69.7) | 46 (2, 75) | 3 | 27.0 |
| Buena Vista County 7 | Rural | 28.3 (15.7, 46.9) | 71 (15, 75) | 3 | 38.6 |
| Clay County 7 | Rural | 24.3 (13.6, 41.2) | 74 (34, 75) | 3 | 28.8 |
| Crawford County 7 | Rural | 29.3 (17.0, 48.3) | 69 (20, 75) | 3 | 26.6 |
| Delaware County 7 | Rural | 26.7 (14.7, 45.2) | 72 (22, 75) | 3 | 25.4 |
| Franklin County 7 | Rural | 51.4 (28.0, 87.3) | 20 (1, 75) | 3 | 34.7 |
| Grundy County 7 | Urban | 48.6 (27.1, 80.4) | 28 (1, 75) | 3 | 25.0 |
| Mills County 7 | Urban | 35.5 (19.7, 59.6) | 61 (6, 75) | 3 | 26.2 |
| Mitchell County 7 | Rural | 52.5 (28.7, 88.3) | 19 (1, 75) | 3 | 39.5 |
| Osceola County 7 | Rural | 82.6 (44.1, 141.8) | 1 (1, 72) | 3 | 51.5 |
| Sac County 7 | Rural | 40.4 (21.4, 71.2) | 50 (3, 75) | 3 | 38.6 |
| Floyd County 7 | Rural | 32.6 (17.4, 55.8) | 67 (9, 75) | 3 | 25.0 |
| Henry County 7 | Rural | 23.7 (13.2, 39.9) | 73 (33, 75) | 3 | 21.9 |
| Howard County 7 | Rural | 48.4 (25.8, 83.5) | 30 (1, 75) | 3 | 32.7 |
| Palo Alto County 7 | Rural | 50.0 (27.5, 85.3) | 23 (1, 75) | 3 | 42.1 |
| Shelby County 7 | Rural | 37.1 (19.6, 64.8) | 59 (4, 75) | 3 | 29.6 |
| Adair County 7 | Rural |
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| Adams County 7 | Rural |
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| Audubon County 7 | Rural |
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| Calhoun County 7 | Rural |
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| Clarke County 7 | Rural |
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| Davis County 7 | Rural |
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| Decatur County 7 | Rural |
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| Fremont County 7 | Rural |
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| Greene County 7 | Rural |
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| Hancock County 7 | Rural |
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| Humboldt County 7 | Rural |
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| Ida County 7 | Rural |
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| Louisa County 7 | Rural |
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| Lucas County 7 | Rural |
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| Lyon County 7 | Rural |
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| Monroe County 7 | Rural |
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| Montgomery County 7 | Rural |
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| Pocahontas County 7 | Rural |
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| Ringgold County 7 | Rural |
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| Taylor County 7 | Rural |
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| Van Buren County 7 | Rural |
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| Wayne County 7 | Rural |
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| Winnebago County 7 | Rural |
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| Wright County 7 | Rural |
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Notes:
Created by statecancerprofiles.cancer.gov on 03/30/2026 6:42 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 are computed using cancers classified as malignant based on ICD-O-3. For more information see malignant.html.
^ Late Stage is defined as cases determined to be regional or distant. 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.