Snohomish County, Washington

Snohomish County profile, demographic data, and geographic information.

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF

Government Unit	Unit Type	Jurisdiction Role	Contact / Address
COUNTY OF SNOHOMISH GUS Population: 864,113 (2024) ID: 176803	County	Official County Government	Contact: EXECUTIVE MANAGEMENT ANALYST 3000 ROCKEFELLER AVENUE, MS 407, EVERETT WA 98201-4060
CITY OF EVERETT GUS Population: 113,011 (2024) ID: 176873	Municipal	Municipal Government Within County	Contact: BUDGET MANAGER 2930 WETMORE AVE, STE 100, EVERETT WA 98201-4044
CITY OF MARYSVILLE GUS Population: 76,209 (2024) ID: 209743	Municipal	Municipal Government Within County	Contact: MAYOR 1049 STATE AVE, STE 101, MARYSVILLE WA 98270-4234
CITY OF EDMONDS GUS Population: 42,871 (2024) ID: 209741	Municipal	Municipal Government Within County	Contact: FINANCE DIRECTOR 121 5TH AVE N, EDMONDS WA 98020-3163
CITY OF LYNNWOOD GUS Population: 41,597 (2024) ID: 202760	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 5008, LYNNWOOD WA 98046-5008
CITY OF LAKE STEVENS GUS Population: 41,350 (2024) ID: 176876	Municipal	Municipal Government Within County	Contact: CITY ADMINISTRATOR PO BOX 257, LAKE STEVENS WA 98258-0257
CITY OF MOUNTLAKE TERRACE GUS Population: 25,198 (2024) ID: 176874	Municipal	Municipal Government Within County	Contact: FINANCE DIRECTOR PO BOX 72, MOUNTLAKE TERRACE WA 98043-0072
CITY OF ARLINGTON GUS Population: 21,959 (2024) ID: 176872	Municipal	Municipal Government Within County	Contact: CITY OF ARLINGTON COMMUNITY & ECONOMIC DEV 18204 59TH DR, 238 N OLYMPIC AVE, ARLINGTON WA 98223-1337
CITY OF MUKILTEO GUS Population: 21,299 (2024) ID: 212137	Municipal	Municipal Government Within County	Contact: MAYOR 11930 CYRUS WAY, MUKILTEO WA 98275-5408
CITY OF MILL CREEK GUS Population: 20,993 (2024) ID: 136132	Municipal	Municipal Government Within County	Contact: CITY MANAGER 15728 MAIN ST, MILL CREEK WA 98012-1518
CITY OF MONROE GUS Population: 19,927 (2024) ID: 205597	Municipal	Municipal Government Within County	Contact: PUBLIC WORKS DIRECTOR 806 W MAIN ST, MONROE WA 98272-2125
CITY OF SNOHOMISH GUS Population: 10,534 (2024) ID: 184256	Municipal	Municipal Government Within County	Contact: CITY CLERK 116 UNION AVE, SNOHOMISH WA 98290-2994
CITY OF STANWOOD GUS Population: 8,943 (2024) ID: 136131	Municipal	Municipal Government Within County	Contact: ADMINISTRATIVE ASSISTANT 10220 270TH ST NW, STANWOOD WA 98292-8064
CITY OF SULTAN GUS Population: 7,002 (2024) ID: 176875	Municipal	Municipal Government Within County	Contact: CLERK DEPUTY FINANCE DIRECTOR PO BOX 1199, SULTAN WA 98294-1199
CITY OF BRIER GUS Population: 6,603 (2024) ID: 209745	Municipal	Municipal Government Within County	Contact: CITY CLERK TREASURER 2901 228TH ST SW, BRIER WA 98036-8397
CITY OF GRANITE FALLS GUS Population: 4,702 (2024) ID: 136130	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 1440, GRANITE FALLS WA 98252-1440
CITY OF GOLD BAR GUS Population: 2,478 (2024) ID: 114644	Municipal	Municipal Government Within County	Contact: CITY CLERK TREASURER 107 5TH ST, GOLD BAR WA 98251-9275
TOWN OF DARRINGTON GUS Population: 1,500 (2024) ID: 205596	Municipal	Municipal Government Within County	Contact: CLERK TREASURER PO BOX 397, DARRINGTON WA 98241-0397
CITY OF WOODWAY GUS Population: 1,323 (2024) ID: 209744	Municipal	Municipal Government Within County	Contact: CLERK-TREASURER 23920 113TH PL W, WOODWAY WA 98020-5299
TOWN OF INDEX GUS Population: 160 (2024) ID: 209742	Municipal	Municipal Government Within County	Contact: CLERK TREASURER PO BOX 88, INDEX WA 98256-0088