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Lafayette, OR vs Monmouth, OR

103
Lafayette
Oregon
VS
+1.9%
102
Monmouth
Oregon

Lafayette, OR and Monmouth, OR have a very similar cost of living, with only a 1.9% difference in their overall index. Lafayette scores 103 while Monmouth scores 102 on the cost of living index, where 100 represents the national average. The day-to-day expenses for residents in both cities are comparable, though differences emerge when looking at specific categories.

On the housing front, median rent in Lafayette is $1,144/month compared to $1,137/month in Monmouth — a 1% difference. Home values follow the same pattern: Monmouth is more affordable at $380,500 median vs $383,000.

Median household income in Lafayette is $96,419 compared to $66,858 in Monmouth (+44.2%). While Lafayette is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Lafayette spend roughly 14.2% of their income on rent, less than the 20.4% in Monmouth.

Climate-wise, both cities share similar average temperatures (52.9°F vs 54.1°F). Monmouth receives more rainfall at 40.1" per year compared to 37.6" in Lafayette.

Income & Cost

Cost of Living Index
Lafayette
103
Monmouth
102
2% cheaper
Median Household Income
Lafayette
$96,419
31% higher
Monmouth
$66,858

Housing

Median Rent
Lafayette
$1,144
Monmouth
$1,137
1% cheaper
Median Home Value
Lafayette
$383,000
Monmouth
$380,500
1% cheaper
Population
Lafayette
4,428
Monmouth
11,176

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

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

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Lafayette 52.9°F
Monmouth 54.1°F
Summer High
Lafayette 83°F
Monmouth 84°F
Winter Low
Lafayette 35°F
Monmouth 36°F
Rainfall
Lafayette 37.6"
Monmouth 40.1"
Rainy Days
Lafayette 158d
Monmouth 148d