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Incidence Rates Table

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Incidence Rate Report for Washington by County

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

All Races (includes Hispanic), Female, All Ages

Sorted by CI*Rank

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
Washington 1 N/A 31.6 (30.9, 32.4) N/A 1,444 stable stable trend 1.5 (-0.1, 3.3)
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)
Lincoln County 2 Rural 55.5 (30.2, 93.4) 1 (1, 27) 3 rising rising trend 5.9 (1.7, 11.4)
King County 7 Urban 38.7 (37.2, 40.3) 2 (1, 6) 480 stable stable trend 1.2 (-1.3, 3.7)
Spokane County 2 Urban 38.0 (35.0, 41.3) 3 (1, 8) 127 rising rising trend 1.0 (0.1, 2.0)
Jefferson County 7 Rural 38.0 (25.7, 54.9) 4 (1, 25) 10 rising rising trend 1.7 (0.1, 3.6)
Pend Oreille County 2 Rural 37.0 (21.4, 61.8) 5 (1, 31) 4
*
*
Snohomish County 7 Urban 35.8 (33.4, 38.4) 6 (2, 9) 174 rising rising trend 3.8 (0.7, 9.6)
Whatcom County 7 Urban 33.5 (29.2, 38.4) 7 (2, 16) 47 falling falling trend -2.6 (-8.7, -0.3)
Skagit County 7 Urban 31.7 (26.3, 37.9) 8 (2, 20) 29 stable stable trend 0.8 (-0.3, 2.3)
Thurston County 7 Urban 30.5 (27.0, 34.4) 9 (4, 19) 60 rising rising trend 11.8 (1.2, 19.4)
Pierce County 7 Urban 29.9 (27.8, 32.1) 10 (6, 17) 157 falling falling trend -3.4 (-5.0, -1.9)
Benton County 2 Urban 29.3 (24.9, 34.2) 11 (5, 22) 34 stable stable trend 0.5 (-1.0, 2.1)
Kitsap County 7 Urban 28.9 (25.2, 32.9) 12 (6, 21) 51 falling falling trend -2.8 (-13.9, -0.2)
Chelan County 2 Urban 27.3 (20.9, 35.1) 13 (4, 28) 14 stable stable trend -0.6 (-4.0, 2.7)
Island County 7 Rural 26.4 (20.4, 33.6) 14 (5, 29) 18 falling falling trend -2.4 (-4.9, -0.8)
Walla Walla County 2 Urban 26.0 (18.8, 35.2) 15 (3, 31) 10 stable stable trend 0.3 (-2.3, 3.0)
Stevens County 2 Urban 25.9 (18.1, 36.2) 16 (3, 31) 9 stable stable trend 2.2 (-1.5, 6.4)
Okanogan County 2 Rural 25.8 (17.4, 37.2) 17 (3, 32) 7 stable stable trend 0.1 (-2.5, 2.7)
San Juan County 7 Rural 24.9 (14.1, 43.2) 18 (2, 32) 4 stable stable trend -1.6 (-4.2, 1.3)
Douglas County 2 Urban 24.9 (16.8, 35.7) 19 (3, 32) 6 stable stable trend -1.2 (-5.4, 2.9)
Franklin County 2 Urban 24.6 (18.1, 32.5) 20 (5, 31) 10 stable stable trend 1.1 (-2.0, 5.1)
Clark County 2 Urban 23.9 (21.5, 26.5) 21 (13, 26) 76 falling falling trend -1.5 (-2.5, -0.4)
Clallam County 7 Rural 21.6 (16.3, 28.4) 22 (10, 32) 15 stable stable trend -0.7 (-2.2, 1.1)
Mason County 7 Rural 21.0 (15.1, 28.5) 23 (9, 32) 11 falling falling trend -2.1 (-10.0, -0.5)
Whitman County 2 Rural 20.5 (12.7, 31.5) 24 (6, 32) 4
*
*
Lewis County 2 Rural 20.2 (14.7, 27.1) 25 (12, 32) 11 stable stable trend -2.3 (-4.8, 0.0)
Yakima County 2 Urban 19.7 (16.4, 23.4) 26 (17, 32) 27 stable stable trend 0.0 (-2.4, 2.5)
Grays Harbor County 7 Rural 19.6 (14.3, 26.3) 27 (12, 32) 11 stable stable trend -1.1 (-2.8, 0.7)
Kittitas County 2 Rural 19.3 (12.0, 29.4) 28 (8, 32) 5
*
*
Klickitat County 2 Rural 18.1 (10.4, 30.9) 29 (8, 32) 4
*
*
Grant County 2 Rural 17.3 (12.5, 23.3) 30 (17, 32) 9 stable stable trend -2.5 (-5.8, 0.8)
Cowlitz County 2 Urban 16.4 (12.3, 21.4) 31 (20, 32) 12 falling falling trend -3.0 (-5.8, -0.4)
Pacific County 2 Rural 15.3 (9.1, 26.6) 32 (15, 32) 4
*
*
Adams County 2 Rural
*
*
3 or fewer
*
*
Asotin County 2 Urban
*
*
3 or fewer
*
*
Columbia County 2 Rural
*
*
3 or fewer
*
*
Ferry County 2 Rural
*
*
3 or fewer
*
*
Garfield County 2 Rural
*
*
3 or fewer
*
*
Skamania County 2 Urban
*
*
3 or fewer
*
*
Wahkiakum County 2 Rural
*
*
3 or fewer
*
*

Notes:
Created by statecancerprofiles.cancer.gov on 03/17/2026 7:03 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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