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Plains, PA vs St. Marys, PA

73
Plains
Pennsylvania
VS
+7.3%
68
St. Marys
Pennsylvania

St. Marys is moderately more affordable than Plains, with a 7.3% lower cost of living index. Plains scores 73 compared to 68 for St. Marys, where the US average is 100. This difference means residents of Plains can expect to pay noticeably more for everyday expenses, housing, and services.

On the housing front, median rent in Plains is $950/month compared to $756/month in St. Marys — a 26% difference. Interestingly, home values tell a different story: while St. Marys has cheaper rent, Plains actually has lower median home values ($141,800 vs $143,900).

Median household income in Plains is $65,417 compared to $64,471 in St. Marys (+1.5%). Plains does offer higher incomes, but the salary premium barely offsets the higher cost of living, leaving residents with a tighter budget. Looking at affordability, residents of Plains spend roughly 17.4% of their income on rent, more than the 14.1% in St. Marys.

Income & Cost

Cost of Living Index
Plains
73
St. Marys
68
7% cheaper
Median Household Income
Plains
$65,417
1% higher
St. Marys
$64,471

Housing

Median Rent
Plains
$950
St. Marys
$756
20% cheaper
Median Home Value
Plains
$141,800
1% cheaper
St. Marys
$143,900
Population
Plains
4,369
St. Marys
12,612

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

Gasoline (regular)
Plains $3.01
St. Marys
US $3.07
🥚
Eggs (grade A, large)
Plains $2.46
St. Marys
US $2.50
🥛
Milk (whole)
Plains $3.96
St. Marys
US $4.03
🍞
Bread (white)
Plains $1.82
St. Marys
US $1.85
🍗
Chicken breast
Plains $4.07
St. Marys
US $4.14
Electricity
Plains $0.22
St. Marys
US $0.19