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Monmouth, OR
City in Polk County, Oregon.
Population
11,428
Land area
2.2sq mi
People per sq mi
5,105
ZIP codes
0
Monmouth and its ZIP codes
Monmouth at a glance
- Monmouth is about 115 times as dense as Oregon as a whole.
- By population, it ranks 56th among 420 cities and towns in Oregon.
- The median household income is $69,170, 17% below the Oregon median of $83,011.
- A typical owner-occupied home is valued at $413,200 (13% below Oregon) and median rent is $1,114 a month.
Local data for Monmouth, OR
Counts from official public data
Housing and community stats
Monmouth, OR, American Community Survey 2020-2024
Median household income
$69,170
Poverty rate
16.1%
Median home value
$413,200
Median rent
$1,114/mo
Homeownership
47.4%
Bachelor's or higher
27.3%
Median age
27.1
Average commute
23.8 min
Largest reported origins and ancestries: Mexican Americans (2,134), German Americans (1,777), Irish Americans (844).
Economy and federal money
Jobs, pay, income and spending are for Polk County. PPP loans are for Monmouth.
Unemployment rate
5.0%
Aug 2026, -0.2 pts in a year
Average annual pay
$54,279
21,174 jobs, 2025
Income per person
$57,251
BEA, 2024
Federal spending
$582M
FY 2026, $6,655 per person
How people get to work
Monmouth, OR, workers 16 and older. American Community Survey 5-year estimates
- Drove alone69.7%
- Carpooled7.9%
- Public transit1.2%
- Walked7.7%
- Bicycle1.5%
- Taxi, ride-hailing, motorcycle or other1.3%
- Worked from home10.6%
Average one-way commute: 23.8 minutes for people who do not work from home.
Environment and hazard risk
Monmouth, OR, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: earthquake
Storm events since 1996
64
Countywide, mostly flood
Flood insurance policies
359
1.2% of homes, county
July high / Jan low
83° / 35°F
47.8 inches of rain a year
Hazards, floods and storm historyCheck a flood zone5 historic places
Health statistics
Share of adults in Monmouth, OR, CDC PLACES estimates
Obesity
31.3%
U.S. 33.3% -2.0 pts
Diabetes
8.7%
U.S. 12.1% -3.4 pts
Smoking
11.2%
U.S. 12.8% -1.6 pts
Uninsured (18-64)
9.4%
U.S. 11.1% -1.7 pts
Cities near Monmouth
| Name | Distance | Land area (sq mi) |
|---|---|---|
| IndependenceCity | 1.7 mi | 3 |
| RickreallCensus-designated place | 5.6 mi | 0.2 |
| DallasCity | 6 mi | 4.9 |
| EolaCensus-designated place | 7.8 mi | 0.1 |
| Falls CityCity | 10 mi | 1.2 |
| SalemCity | 11 mi | 48.9 |
| Adair VillageCity | 12 mi | 0.4 |
| TurnerCity | 14 mi | 1.4 |
| Four CornersCensus-designated place | 14 mi | 2.4 |
| Kings ValleyCensus-designated place | 14 mi | 0.7 |
| JeffersonCity | 14 mi | 0.9 |
| KeizerCity | 15 mi | 7.2 |
| MillersburgCity | 15 mi | 4.1 |
| HayesvilleCensus-designated place | 16 mi | 3 |
| MarionCensus-designated place | 16 mi | 1.1 |
| AlbanyCity | 17 mi | 17.9 |
Frequently asked questions
- What county is Monmouth, OR in?
- Monmouth is in Polk County, Oregon.
- What is the population of Monmouth, OR?
- About 11,428 people live in Monmouth, based on American Community Survey 5-year estimates.
- What cities are near Monmouth?
- Nearby places include Independence (1.7 mi), Rickreall (5.6 mi), Dallas (6 mi), Eola (7.8 mi), Falls City (10 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023