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Monmouth, OR vs Tri-City, OR

102
Monmouth
Oregon
VS
+19.8%
85
Tri-City
Oregon

There is a significant gap in the cost of living between these two cities. Tri-City is 19.8% cheaper than Monmouth. With a cost index of 85 vs 102, the difference would have a meaningful impact on a household's monthly budget. Someone relocating from Tri-City to Monmouth should plan for substantially higher expenses across most categories.

On the housing front, median rent in Monmouth is $1,137/month compared to $935/month in Tri-City — a 22% difference. Home values follow the same pattern: Tri-City is more affordable at $240,800 median vs $380,500.

Median household income in Monmouth is $66,858 compared to $47,922 in Tri-City (+39.5%). While Monmouth is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Monmouth spend roughly 20.4% of their income on rent, less than the 23.4% in Tri-City.

Climate-wise, both cities share similar average temperatures (54.1°F vs 55.9°F). Monmouth receives more rainfall at 40.1" per year compared to 32.1" in Tri-City.

Income & Cost

Cost of Living Index
Monmouth
102
Tri-City
85
16% cheaper
Median Household Income
Monmouth
$66,858
28% higher
Tri-City
$47,922

Housing

Median Rent
Monmouth
$1,137
Tri-City
$935
18% cheaper
Median Home Value
Monmouth
$380,500
Tri-City
$240,800
37% cheaper
Population
Monmouth
11,176
Tri-City
4,362

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

Gasoline (regular)
Monmouth $3.21
Tri-City
US $3.07
🥚
Eggs (grade A, large)
Monmouth $2.62
Tri-City
US $2.50
🥛
Milk (whole)
Monmouth $4.22
Tri-City
US $4.03
🍞
Bread (white)
Monmouth $1.94
Tri-City
US $1.85
🍗
Chicken breast
Monmouth $4.34
Tri-City
US $4.14
Electricity
Monmouth $0.17
Tri-City
US $0.19

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Monmouth 54.1°F
Tri-City 55.9°F
Summer High
Monmouth 84°F
Tri-City 86°F
Winter Low
Monmouth 36°F
Tri-City 37°F
Rainfall
Monmouth 40.1"
Tri-City 32.1"
Rainy Days
Monmouth 148d
Tri-City 141d