Lynden, Washington

Lynden
Nooksack: Squahalish
Downtown Lynden
Nicknames: 
Gem City
Queen of the Nooksack Valley
Location of Lynden, Washington
Coordinates: 48°56′47″N 122°28′25″W / 48.94639°N 122.47361°W / 48.94639; -122.47361
CountryUnited States
StateWashington
CountyWhatcom
Government
 • TypeMayor–council
 • MayorScott Korthuis
Area
 • City
5.44 sq mi (14.10 km2)
 • Land5.44 sq mi (14.08 km2)
 • Water0.012 sq mi (0.03 km2)
Elevation
102 ft (31 m)
Population
 (2020)
 • City
15,749
 • Estimate 
(2023)
16,551
 • Density2,897/sq mi (1,119/km2)
 • Metro
234,954 (Bellingham metropolitan area) (US: 204th)
 • Metro density109.4/sq mi (42.25/km2)
DemonymLyndenite
Time zoneUTC-8 (Pacific (PST))
 • Summer (DST)UTC-7 (PDT)
ZIP code
98264
Area code360
FIPS code53-40805
GNIS feature ID2410899
Websitelyndenwa.org

Lynden is a city in Whatcom County, Washington, United States. It is located 15 miles (24 km) north of Bellingham, the county seat and principal city of the Bellingham Metropolitan Area. It is the second largest city in Whatcom County. The city is approximately 5 miles (8.0 km) south of the Canada–U.S. border.

The city is located along the Nooksack River and State Route 539. The population of Lynden was 15,749 at the 2020 census. In 2024 it was updated to 16,551. The city is also home to the annual Northwest Washington Fair.