Monroe is a city in Benton County, Oregon, United States. The population was 763 as of the 2023 census population estimates. It is part of the Corvallis, Oregon Metropolitan Statistical Area. Monroe is located midway between Eugene and Corvallis along Highway 99W.
AdAmtrak Cascades is a great way to plan a getaway and keep it within your own back yard. The best way to experience the great Pacific Northwest is on the Amtrak Cascades.
Bring two bags free · Ample Leg Room · Bring your bike · Check Schedule
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