Monmouth, Oregon

Monmouth, Oregon
Main Street looking east
Location in Oregon
Monmouth, Oregon
Location in the United States
Coordinates: 44°51′03″N 123°13′42″W / 44.85083°N 123.22833°W / 44.85083; -123.22833
CountryUnited States
StateOregon
CountyPolk
Incorporated1859
Government
  MayorCec Koontz
Area
  Total
2.33 sq mi (6.04 km2)
  Land2.25 sq mi (5.82 km2)
  Water0.08 sq mi (0.21 km2)
Elevation
207 ft ( m)
Population
 (2020)
  Total
11,110
  Density4,939.97/sq mi (1,907.59/km2)
Time zoneUTC-8 (Pacific)
  Summer (DST)UTC-7 (Pacific)
ZIP code
97361
Area code503
FIPS code41-49550
GNIS feature ID2411134
Websitewww.ci.monmouth.or.us

Monmouth (/ˈmɒnməθ/) is a city in Polk County in the U.S. state of Oregon. It was named for Monmouth, Illinois, the origin of its earliest settlers. The population is 11,110 at the 2020 Census and it is part of the Salem Metropolitan Statistical Area. The city is home to Western Oregon University.