Medical Lake, Washington

Medical Lake
The Historic Hallett House
Location of Medical Lake, Washington
Coordinates: 47°34′16″N 117°41′21″W / 47.57111°N 117.68917°W / 47.57111; -117.68917
CountryUnited States
StateWashington
CountySpokane
Government
 • TypeMayor–council
 • MayorTerri Cooper
Area
 • Total
3.58 sq mi (9.3 km2)
 • Land3.37 sq mi (8.7 km2)
 • Water0.21 sq mi (0.54 km2)
Elevation
2,408 ft (734 m)
Population
 (2020)
 • Total
4,874
 • Estimate 
(2022)
5,016
 • Density1,488.43/sq mi (574.69/km2)
Time zoneUTC-8 (Pacific (PST))
 • Summer (DST)UTC-7 (PDT)
ZIP code
99022
Area code509
FIPS code53-44690
GNIS feature ID2411070
Websitemedical-lake.org

Medical Lake is a small city in Spokane County, eastern Washington, United States. At the 2020 census, the population was 4,874. The city is the site of a psychiatric hospital, Eastern State Hospital, and of Fairchild Air Force Base, two major employers.