Pennsylvania / Census place 4267344

St. Marys

A Census profile of the people, homes, and daily patterns that shape this place.

Official Census name: St. Marys city

At a glance

A city in numbers.

Population
12,253
2025 estimate
Annual change
-0.6%
Population estimate
Density
123/sq mi
99.3 sq mi land area
Median age
51.6 years
ACS 5-year estimate

Living here

The everyday equation.

Households, homes, education, and the time it takes to get around.

Median household income
$67,167
Median home value
$149,000
Median gross rent
$762
Bachelor’s degree or higher
21.4%
Typical commute
14.2 min
Public transit commute
0.3%

Climate normals

The long view of weather.

Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.

Representative station: BRADFORD RGNL AP (24 mi from place center)
Average high
55.8°F
Average low
35.9°F
Annual rainfall
41.9"
Annual snowfall
0"

Month by month

A year in St. Marys.

Typical high and low °F
JFMAMJJASOND
Typical precipitation inches
J
F
M
A
M
J
J
A
S
O
N
D

Data vintage

Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release.

Similar places

More places to consider.

Selected by the closest mix of population, density, median home value, and average annual high.

MN

Hibbing, MN

Population, housing, work, and travel data for this Census place.

Population
15,823
Median home
$130,200
NH

Claremont, NH

Population, housing, work, and travel data for this Census place.

Population
13,032
Median home
$204,600
OH

Conneaut, OH

Population, housing, work, and travel data for this Census place.

Population
12,247
Median home
$132,400

Keep exploring

Compare St. Marys with Hibbing