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Liberty, MO vs St. Peters, MO

90
Liberty
Missouri
VS
-3.5%
93
St. Peters
Missouri

Liberty, MO and St. Peters, MO have a very similar cost of living, with only a 3.5% difference in their overall index. Liberty scores 90 while St. Peters scores 93 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 Liberty is $1,164/month compared to $1,291/month in St. Peters — a 10% difference. Interestingly, home values tell a different story: while Liberty has cheaper rent, St. Peters actually has lower median home values ($252,800 vs $267,900).

Median household income in Liberty is $95,425 compared to $89,827 in St. Peters (+6.2%). Liberty offers a double advantage: higher earnings combined with a lower cost of living, giving residents significantly more purchasing power. Looking at affordability, residents of Liberty spend roughly 14.6% of their income on rent, less than the 17.2% in St. Peters.

Income & Cost

Cost of Living Index
Liberty
90
3% cheaper
St. Peters
93
Median Household Income
Liberty
$95,425
6% higher
St. Peters
$89,827

Housing

Median Rent
Liberty
$1,164
10% cheaper
St. Peters
$1,291
Median Home Value
Liberty
$267,900
St. Peters
$252,800
6% cheaper
Population
Liberty
30,446
St. Peters
58,200

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

Gasoline (regular)
Liberty $2.96
St. Peters $3.03
US $3.07
🥚
Eggs (grade A, large)
Liberty $2.41
St. Peters $2.47
US $2.50
🥛
Milk (whole)
Liberty $3.89
St. Peters $3.97
US $4.03
🍞
Bread (white)
Liberty $1.79
St. Peters $1.83
US $1.85
🍗
Chicken breast
Liberty $4.00
St. Peters $4.09
US $4.14
Electricity
Liberty $0.17
St. Peters $0.15
US $0.19