City profile
Monmouth, OR
Polk County · Population 11,428
Monmouth is a town in Polk County, OR with about 11,428 residents and a typical home value near $413,000. It is 11 miles from Salem, OR, which shapes its climate, healthcare access and amenities.
Climate
Climate type
Mild & temperate
Winter avg
41°F
Summer avg
67°F
Sunny days / yr
150
Home prices & cost of living
Median home price
$413,200
Typical monthly housing
$2,541
Cost of living (100 = U.S.)
107
Taxes
- Property tax
- 0.86%
- State income tax (top)
- 9.9%
- Social Security
- Not taxed
- Pensions
- Partly exempt
- Sales tax (state + avg. local)
- None
FEMA natural hazard risk
Relatively Low · county score 73/100
Top hazards: Earthquake, Heat wave, Volcanic activity
Nearest major airport
59 mi to Portland International Airport (PDX)
Political lean (2024 county vote)
Competitive / purple · 47% Democratic / 50% Republican
Community
Population
11,428
Black population
1.9%
County
Polk County
Detailed crime figures are available for our 201 hand-researched cities.
2025–2026 trends
2026 market trends
- ▸Climate/cost risks to check: wildfire smoke, earthquakes
Highlights
- About 11,428 residents
- Typical home value about $413,000
- 11 miles from Salem, OR
Trade-offs
- Smaller community with fewer local amenities
- Scores for this place are estimated from Census data and the nearest major city
Figures are estimates from public sources (see How we match). Verify before making decisions.