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CITY · 2000 CENSUS

St. Marys

Pennsylvania · 14,502 residents · 99.316 sq mi
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The short version

St. Marys has roughly average household income, with a median household income of $41,593. The city has more than doubled in size since 1990, adding 8,991 residents. 15% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value has risen by half since 1990, reaching $87,900. Poverty is rare here, at 4.8% of residents.

At a glance
Average income
near the US median
US median: $42,589
Older
median age 39.4
US median: 35.2
Less educated
15% hold a bachelor's degree
US average: 24%
Less affordable
home values up 27%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
14,502
+163%since 1990
from 5,511 in 1990
1990 – 2025
Median age
39.4
+6%since 1990
from 37.2 in 1990
US average: 35.2
Population, 1990 – 2024
5K7K10K13K15K1990201020202024St. Marys
202413K
1990201020202024
Age distribution, 2000
Under 55.5%(803)
US avg: 6.8%
5 to 96.6%(959)
US avg: 7.3%
10 to 147.3%(1,059)
US avg: 7.3%
15 to 196.7%(976)
US avg: 7.2%
20 to 244.2%(610)
US avg: 6.7%
25 to 3412.6%(1,826)
US avg: 14.2%
35 to 4416.2%(2,353)
US avg: 16%
45 to 5413.3%(1,924)
US avg: 13.4%
55 to 649.3%(1,345)
US avg: 8.6%
65 to 748.9%(1,286)
US avg: 6.5%
75 to 846.8%(983)
US avg: 4.4%
85 and over2.6%(378)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$41,593
+44%inflation adjusted, since 1990
from $21,871 in 1990
US average: $42,589
1990 – 2024
Per capita income
$19,885
+69%since 1990
from $11,756 in 1990
US average: $21,522
Poverty rate
4.8%
−6.1 ptssince 1990
from 10.9% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$87,900
+27%inflation adjusted, since 1990
from $52,700 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$454
+13%inflation adjusted, since 1990
from $305 in 1990
US average: $602
Owner-occupied
77.4%
+11.3 ptssince 1990
from 66.1% in 1990
22.6% rent
RELATED:See current rent listings in St. Marys on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic99.6%(5,489)
Black0.2%(12)
Hispanic / Latino0.3%(14)
Asian0.2%(10)
2000
White, non-Hispanic98.6%(14,299)
Black0.2%(30)
Hispanic / Latino0.3%(44)
Asian0.4%(60)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Puerto Rican0.5%(66)
Mexican0.5%(57)
Cuban0.4%(49)
Asian origin
Filipino0.1%(12)
Chinese0.1%(8)
Ancestry
German46.3%(5,802)
Italian16.8%(2,104)
Irish14.6%(1,824)
English5.9%(736)
Polish5.6%(703)
American4.5%(559)
French2%(250)
Swedish1.9%(234)
Dutch1.3%(168)
Austrian0.9%(113)
+ 18 more ancestry groups with data
Belgian0.5%(58)
Croatian0.4%(45)
Scottish0.3%(39)
Greek0.3%(33)
Slovak0.2%(26)
Hungarian0.2%(25)
Russian0.2%(24)
Czech0.2%(21)
Ghanaian0.2%(19)
Welsh0.1%(18)
Macedonian0.1%(17)
Scotch-Irish0.1%(16)
Slovene0.1%(16)
Portuguese0.1%(15)
Lithuanian0.1%(14)
Australian0.1%(11)
Canadian0.1%(11)
Swiss0%(5)
RANKED:Largest German population · Largest Italian population · Largest Irish population · Largest English population · Largest Polish population
Section 05

Education

Bachelor's degree or higher
15.5%
+1.7 ptssince 1990
from 13.7% in 1990
US average: 24.4%
High school or higher
84.4%
+9.1 ptssince 1990
from 75.4% in 1990
US average: 80.3%
Graduate degree
4.9%
+0.8 ptssince 1990
from 4.2% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
10.2 min
−7%since 1990
from 11.0 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status
Men 15+
Never married27.8%(1,567)
Married60.1%(3,393)
Widowed5.4%(303)
Divorced6.7%(378)
Women 15+
Never married18.4%(1,116)
Married56.8%(3,441)
Widowed16.9%(1,024)
Divorced7.8%(475)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
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Compare St. Marys to nearby cities

ST. MARYS VS
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Income$53,815+29%
Home value$103,800+18%
Population9,046−26%
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ST. MARYS VS
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Income$51,261+23%
Home value$86,100−2%
Population13,508+10%
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ST. MARYS VS
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Home value$389,600+343%
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ST. MARYS VS
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Income$45,424+9%
Home value$437,800+398%
Population40,844+233%
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Frequently asked

How many people live in St. Marys, Pennsylvania?

St. Marys, Pennsylvania has about 14,502 residents according to the 2000 Census.

What is the median household income in St. Marys, Pennsylvania?

The typical household in St. Marys, Pennsylvania earns about $41,593 a year. Half of households make more than that, and half make less.

Is St. Marys, Pennsylvania expensive?

In St. Marys, Pennsylvania, the median home is worth about $87,900, and the typical rent is about $454 a month.

How educated are people in St. Marys, Pennsylvania?

About 15.5% of adults age 25 and over in St. Marys, Pennsylvania hold a bachelor's degree or higher.

What is the poverty rate in St. Marys, Pennsylvania?

About 4.8% of people in St. Marys, Pennsylvania live below the federal poverty line.

Has St. Marys, Pennsylvania grown since 1990?

Yes, St. Marys, Pennsylvania has grown since 1990. The population has added about 8,991 residents, a change of about 163 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →