Monroe
City in Benton County, Oregon

Monroe is a city in Benton County, Oregon, with 647 residents (2020 Census). It sits at 289 ft (88 m) above sea level. The nearest town is Alpine, 3.3 miles W.
- 647residents (2020 Census)
- 289 ftelevation · 88 m
- 0.5 sq miland area · 1.3 km²
- 1,257 / sq mipopulation density
- 97456ZIP code
About Monroe
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.
Text: Wikipedia · CC BY-SA 4.0
Monroe weather: 7-day forecast
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Live webcams in Monroe
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Living in Monroe
- Median household income
- $78,646
- Median home value
- $348,700
- Median rent
- $1,359/mo
- Median age
- 28.9
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Map of Monroe
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Monroe Street View
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Open in Google Maps ›Monroe, OR population
Monroe had 647 residents in the 2020 Census.
| 2020 Census | 647 |
|---|---|
| Density | 1,257 per sq mi (485 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Monroe at a glance
| State | Oregon (OR) |
|---|---|
| County | Benton County |
| Type | City |
| Population | 647 (2020) |
| Land area | 0.51 sq mi (1.3 km²) |
| Elevation | 289 ft (88 m) |
| Coordinates | 44.3169° N, 123.2989° W |
| ZIP code | 97456 |
| Official website | ci.monroe.or.us |
| Census code (GEOID) | 4149600 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Monroe
- Alpine3.3 mi W
- Bellfountain4.4 mi NW
- Harrisburg7.5 mi SE
- Junction City8.7 mi SE
- Cheshire8.8 mi S
- Peoria10.4 mi NE
- Halsey10.4 mi NE
- Shedd13.4 mi NE
- Alsea15.3 mi W
- Philomath15.8 mi N
- Santa Clara16.2 mi SE
- Brownsville16.4 mi E
Straight-line distance between town centers.
Frequently asked questions about Monroe
What county is Monroe in?
Monroe is in Benton County, Oregon.
What is the population of Monroe, OR?
647 people lived in Monroe at the 2020 Census.
What is the ZIP code of Monroe, OR?
The ZIP code of Monroe is 97456.
What is the elevation of Monroe?
289 feet (88 m) above sea level.
What towns are near Monroe?
Alpine (3.3 mi), Bellfountain (4.4 mi), Harrisburg (7.5 mi), Junction City (8.7 mi), Cheshire (8.8 mi).
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