Incidence Rates Table
Incidence Rate Report for Iowa by County
Melanoma of the Skin (All Stages^), 2018-2022
All Races (includes Hispanic), Both Sexes, 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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Recent Trend |
Recent 5-Year Trend ‡ in Incidence Rates (95% Confidence Interval)
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|---|---|---|---|---|---|---|
| Clarke County 7 | Rural | 30.1 (16.7, 50.0) | 54 (3, 82) | 3 |
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| Wright County 7 | Rural | 16.7 (8.9, 28.9) | 82 (37, 82) | 3 |
stable 
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1.6 (-0.6, 4.3) |
| Greene County 7 | Rural | 26.0 (15.3, 42.8) | 71 (8, 82) | 4 |
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| Howard County 7 | Rural | 30.8 (17.7, 50.1) | 50 (2, 82) | 4 |
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| Calhoun County 7 | Rural | 29.6 (17.2, 48.0) | 56 (4, 82) | 4 |
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| Guthrie County 7 | Urban | 24.4 (14.5, 39.6) | 76 (12, 82) | 4 |
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| Humboldt County 7 | Rural | 27.6 (16.2, 44.7) | 67 (5, 82) | 4 |
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| Keokuk County 7 | Rural | 31.2 (17.9, 50.5) | 49 (2, 82) | 4 |
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| Louisa County 7 | Rural | 28.9 (17.4, 45.6) | 62 (5, 82) | 4 |
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| Worth County 7 | Rural | 46.1 (27.4, 73.0) | 10 (1, 80) | 4 |
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| Lyon County 7 | Rural | 31.2 (18.9, 48.4) | 47 (3, 82) | 4 |
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| Palo Alto County 7 | Rural | 38.7 (23.3, 60.8) | 23 (1, 81) | 4 |
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| Sac County 7 | Rural | 32.2 (18.8, 51.7) | 43 (2, 82) | 4 |
stable
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2.0 (-0.1, 4.7) |
| Emmet County 7 | Rural | 37.0 (22.6, 57.6) | 28 (1, 81) | 5 |
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| Shelby County 7 | Rural | 29.4 (17.4, 46.8) | 57 (3, 82) | 5 |
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| Union County 7 | Rural | 29.9 (18.3, 46.3) | 55 (4, 82) | 5 |
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| Winnebago County 7 | Rural | 34.4 (21.0, 53.5) | 34 (1, 82) | 5 |
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| Page County 7 | Rural | 24.6 (15.3, 37.7) | 75 (16, 82) | 5 |
rising 
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2.4 (0.3, 5.2) |
| Buena Vista County 7 | Rural | 20.4 (12.9, 30.7) | 80 (34, 82) | 5 |
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| Hancock County 7 | Rural | 31.8 (19.9, 48.9) | 45 (3, 82) | 5 |
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| Montgomery County 7 | Rural | 39.5 (24.4, 60.6) | 18 (1, 81) | 5 |
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| Appanoose County 7 | Rural | 26.0 (16.7, 39.6) | 72 (16, 82) | 5 |
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| Cass County 7 | Rural | 31.7 (19.8, 48.4) | 46 (2, 82) | 5 |
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| Hamilton County 7 | Rural | 28.3 (17.8, 42.9) | 64 (6, 82) | 5 |
rising
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2.6 (0.1, 6.1) |
| Tama County 7 | Rural | 24.6 (15.7, 37.0) | 74 (14, 82) | 5 |
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| Clayton County 7 | Rural | 21.6 (13.2, 33.5) | 78 (23, 82) | 5 |
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| Crawford County 7 | Rural | 30.8 (20.5, 44.6) | 52 (5, 82) | 6 |
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| Iowa County 7 | Rural | 26.5 (17.4, 39.1) | 69 (12, 82) | 6 |
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| Chickasaw County 7 | Rural | 37.1 (24.2, 54.9) | 27 (1, 81) | 6 |
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| Mahaska County 7 | Rural | 21.3 (14.2, 30.9) | 79 (34, 82) | 6 |
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| O'Brien County 7 | Rural | 39.1 (25.9, 56.6) | 20 (1, 80) | 6 |
rising
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4.6 (2.6, 7.4) |
| Cherokee County 7 | Rural | 38.5 (25.2, 56.7) | 22 (1, 80) | 6 |
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| Mitchell County 7 | Rural | 48.7 (32.1, 70.8) | 5 (1, 74) | 6 |
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| Hardin County 7 | Rural | 29.4 (19.5, 42.8) | 58 (6, 82) | 7 |
rising
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3.3 (1.6, 5.8) |
| Harrison County 7 | Urban | 37.3 (25.0, 53.6) | 25 (1, 80) | 7 |
rising
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5.2 (3.6, 7.6) |
| Henry County 7 | Rural | 25.1 (16.9, 36.1) | 73 (20, 82) | 7 |
rising
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3.0 (1.0, 5.8) |
| Buchanan County 7 | Rural | 29.0 (19.7, 41.1) | 59 (10, 82) | 7 |
stable
|
0.4 (-2.1, 3.3) |
| Jefferson County 7 | Rural | 30.0 (19.8, 43.9) | 53 (5, 82) | 7 |
rising
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3.1 (1.0, 6.1) |
| Washington County 7 | Urban | 26.2 (17.5, 37.5) | 70 (14, 82) | 7 |
rising
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2.4 (0.3, 5.3) |
| Madison County 7 | Urban | 33.8 (23.3, 47.6) | 40 (3, 80) | 7 |
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| Kossuth County 7 | Rural | 39.3 (26.3, 56.5) | 19 (1, 78) | 7 |
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| Grundy County 7 | Urban | 44.3 (30.5, 62.7) | 12 (1, 73) | 7 |
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| Butler County 7 | Rural | 34.4 (23.7, 48.9) | 32 (3, 80) | 8 |
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| Wapello County 7 | Rural | 16.8 (11.7, 23.5) | 81 (65, 82) | 8 |
stable
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-1.1 (-4.7, 0.6) |
| Franklin County 7 | Rural | 55.8 (38.9, 78.2) | 2 (1, 54) | 8 |
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| Cedar County 7 | Rural | 38.8 (27.5, 53.4) | 21 (1, 76) | 9 |
rising
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2.0 (0.5, 3.9) |
| Clay County 7 | Rural | 43.7 (31.1, 59.9) | 14 (1, 72) | 9 |
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| Jones County 7 | Urban | 34.4 (24.5, 47.0) | 33 (3, 78) | 9 |
rising
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2.6 (0.8, 5.2) |
| Poweshiek County 7 | Rural | 36.4 (25.9, 49.9) | 30 (2, 78) | 9 |
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| Carroll County 7 | Rural | 34.9 (24.8, 47.8) | 31 (3, 79) | 9 |
rising
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4.2 (2.6, 6.6) |
| Fayette County 7 | Rural | 28.8 (20.8, 39.3) | 63 (12, 81) | 9 |
rising
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3.1 (1.4, 5.4) |
| Floyd County 7 | Rural | 43.5 (30.9, 59.8) | 13 (1, 69) | 9 |
rising
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4.5 (3.2, 6.3) |
| Winneshiek County 7 | Rural | 42.4 (30.1, 57.9) | 15 (1, 71) | 10 |
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| Allamakee County 7 | Rural | 48.4 (35.0, 65.6) | 6 (1, 60) | 10 |
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| Delaware County 7 | Rural | 46.8 (34.2, 62.7) | 7 (1, 62) | 10 |
rising
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4.6 (2.9, 7.4) |
| Jackson County 7 | Rural | 46.0 (33.8, 61.2) | 9 (1, 65) | 11 |
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| Webster County 7 | Rural | 22.2 (16.6, 29.3) | 77 (40, 82) | 11 |
stable
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-15.6 (-29.7, 3.4) |
| Boone County 7 | Urban | 34.0 (25.4, 44.6) | 37 (5, 77) | 12 |
rising
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2.2 (0.7, 4.4) |
| Bremer County 7 | Urban | 41.3 (31.5, 53.5) | 17 (1, 67) | 13 |
rising
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3.0 (1.5, 5.2) |
| Marion County 7 | Rural | 30.7 (23.3, 39.8) | 51 (12, 78) | 13 |
rising
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4.1 (2.7, 6.3) |
| Marshall County 7 | Rural | 27.3 (20.8, 35.2) | 68 (22, 81) | 13 |
rising
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2.1 (0.9, 3.7) |
| Lee County 7 | Rural | 34.2 (26.1, 44.0) | 35 (7, 76) | 14 |
rising
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2.7 (0.9, 5.0) |
| Dickinson County 7 | Rural | 56.6 (42.9, 73.6) | 1 (1, 34) | 14 |
rising
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4.8 (3.5, 6.7) |
| Benton County 7 | Urban | 42.2 (32.6, 54.0) | 16 (1, 63) | 14 |
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| Plymouth County 7 | Rural | 50.6 (39.6, 63.8) | 3 (1, 44) | 16 |
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| Jasper County 7 | Urban | 34.1 (26.7, 43.0) | 38 (9, 75) | 16 |
rising
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3.1 (1.7, 5.0) |
| Des Moines County 7 | Rural | 32.8 (25.7, 41.3) | 42 (11, 75) | 16 |
rising
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4.4 (3.1, 6.5) |
| Muscatine County 7 | Rural | 34.2 (27.1, 42.6) | 36 (10, 73) | 17 |
rising
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2.8 (1.3, 4.9) |
| Sioux County 7 | Rural | 49.7 (39.9, 61.1) | 4 (1, 37) | 19 |
rising
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4.4 (2.8, 7.1) |
| Warren County 7 | Urban | 33.9 (27.6, 41.3) | 39 (11, 71) | 21 |
rising
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18.2 (2.7, 30.0) |
| Clinton County 7 | Rural | 36.5 (29.5, 44.7) | 29 (6, 68) | 21 |
rising
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2.7 (1.5, 4.1) |
| Story County 7 | Urban | 31.0 (25.8, 36.8) | 48 (21, 74) | 27 |
rising
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1.6 (0.4, 3.2) |
| Cerro Gordo County 7 | Rural | 44.7 (37.1, 53.6) | 11 (1, 44) | 28 |
rising
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4.4 (2.9, 6.6) |
| Pottawattamie County 7 | Urban | 27.7 (23.3, 32.7) | 66 (32, 78) | 31 |
rising
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3.9 (2.7, 5.5) |
| Woodbury County 7 | Urban | 28.0 (23.7, 32.8) | 65 (32, 77) | 32 |
stable
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0.6 (-7.1, 2.9) |
| Dallas County 7 | Urban | 32.0 (27.2, 37.4) | 44 (19, 71) | 32 |
rising
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2.7 (1.5, 5.1) |
| Black Hawk County 7 | Urban | 29.0 (25.2, 33.3) | 60 (30, 75) | 44 |
rising
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2.3 (1.6, 3.2) |
| Johnson County 7 | Urban | 37.7 (33.1, 42.6) | 24 (10, 53) | 53 |
rising
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2.9 (1.9, 4.2) |
| Dubuque County 7 | Urban | 46.2 (40.6, 52.5) | 8 (1, 29) | 53 |
rising
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4.9 (4.1, 6.1) |
| Scott County 7 | Urban | 33.5 (30.0, 37.4) | 41 (21, 61) | 69 |
rising
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3.2 (2.3, 4.6) |
| Linn County 7 | Urban | 37.0 (33.7, 40.6) | 26 (14, 47) | 98 |
rising
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3.1 (2.2, 4.4) |
| Polk County 7 | Urban | 29.0 (26.9, 31.2) | 61 (39, 70) | 149 |
rising
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5.2 (3.8, 10.2) |
| Adair County 7 | Rural |
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| Adams County 7 | Rural |
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| Audubon 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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| Ida County 7 | Rural |
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| Lucas County 7 | Rural |
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| Mills County 7 | Urban |
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| Monona County 7 | Rural |
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| Monroe County 7 | Rural |
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| Osceola 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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Notes:
Created by statecancerprofiles.cancer.gov on 03/20/2026 4:39 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.
⋔ Results presented with the CI*Rank statistics help show the usefulness of ranks. For example, ranks for relatively rare diseases or less populated areas may be essentially meaningless because of their large variability, but ranks for more common diseases in densely populated regions can be very useful. The rates used in CI*Rank are all age-adjusted to the 2000 US standard population using 19 age groups for SEER and NPCR areas. More information about methodology can be found on the CI*Rank website.
When displaying county information, the CI*Rank for the state is not shown because it's not comparable. To see the state CI*Rank please view the statistics at the US By State level.
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.