Keizer, Oregon

Keizer, Oregon
Keizer City Hall
Coordinates: 45°00′10″N 123°01′28″W / 45.00278°N 123.02444°W / 45.00278; -123.02444
CountryUnited States
StateOregon
CountyMarion
Incorporated1982
Government
 • MayorCathy Clark
Area
 • Total
7.30 sq mi (18.91 km2)
 • Land7.19 sq mi (18.61 km2)
 • Water0.12 sq mi (0.30 km2)
Elevation
128 ft (39 m)
Population
 (2020)
 • Total
39,376
 • Density5,480.2/sq mi (2,115.91/km2)
Time zoneUTC-8 (Pacific)
 • Summer (DST)UTC-7 (Pacific)
ZIP Codes
97303, 97307
Area code503
FIPS code41-38500
GNIS feature ID2410171
Websitewww.keizer.org

Keizer (/ˈkzər/) is a city in Marion County, Oregon, United States, along the 45th parallel. As of the 2020 United States census, its population was 39,376, making it the 14th most populous city in Oregon. It lies in the Willamette Valley and is part of the Salem Metropolitan Statistical Area. It was named after pioneer Thomas Dove (T. D.) Keizur and his family, who arrived in the Wagon Train of 1843, and later filed donation land claims.