Reports of Lyme Disease in Washington
Browse Lyme data by state
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- District of Columbia
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Confirmed cases
Loading the map…
443
Confirmed cases of Lyme disease in Washington (2000 to 2020).
Yearly Breakdown
View as a table
| Year | Confirmed cases |
|---|---|
| 2000 | 9 |
| 2001 | 9 |
| 2002 | 11 |
| 2003 | 7 |
| 2004 | 14 |
| 2005 | 13 |
| 2006 | 8 |
| 2007 | 12 |
| 2008 | 23 |
| 2009 | 16 |
| 2010 | 16 |
| 2011 | 19 |
| 2012 | 15 |
| 2013 | 18 |
| 2014 | 15 |
| 2015 | 24 |
| 2016 | 31 |
| 2017 | 37 |
| 2018 | 20 |
| 2019 | 86 |
| 2020 | 40 |
Washington's Counties
"Unknown County" counts cases the CDC confirmed in Washington without a county of residence. They are included in the state total but not on the map.
Data Sources
All Lyme disease prevalence data sourced from the Centers for Disease Control and Prevention's surveillance data. Cases are counted by the patient's county of residence, which may not be where the tick bite occurred.
Connect with TickCheck on Facebook and Instagram for the latest tick news and tips.
Instagram
Did you just find a tick on yourself or a loved one? TickCheck can test your tick and determine whether it carries the bacteria that transmit Lyme disease and other tick-borne infections.
Test My Tick Now