Monmouth, OR Insights: Population,
Zip Codes, Influence, and Service Areas

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.

Zip Codes in Monmouth, OR that we also serve: 97361





Cities Close To Monmouth, OR That We Also Serve



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