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