Welcome to our comprehensive alphabetical list of counties in Washington A-Z. Whether you’re a resident, a traveler, or just curious about the regions within the Evergreen State, our curated list provides an organized and easy-to-navigate resource. We cover everything from Adams to Yakima!
Plus, don’t miss out on the bonus trivia at the bottom of the page, where we answer burning questions such as: How many counties are there in Washington state? What is the smallest county in Washington state? Which county in Washington has the largest population? So go on! Keep reading for our alphabetical list of counties in Washington A-Z.
A
Adams
Asotin
B
Benton
C
Chelan
Clallam
Clark
Columbia
Cowlitz
D
Douglas
E
F
Ferry
Franklin
G
Garfield
Grant
Grays Harbor
H
I
J
Jefferson
K
King
Kitsap
Kittitas
Klickitat
L
Lewis
Lincoln
M
N
O
P
Pacific
Pend Oreille
Pierce
Q
R
S
San Juan
Skagit
Skamania
Snohomish
Spokane
Stevens
T
U
V
W
Wahkiakum
Walla Walla
Whatcom
Whitman