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CITY · 2020 ACS

St. Clair

Pennsylvania · 2,745 residents · 1.23 sq mi
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The short version

St. Clair is a city of 2,745 people in Pennsylvania. At a median age of 45.8, this is an older place than the country as a whole. 16% of adults hold a bachelor's degree, below the 33% national rate. Median home value sits at $65,200. The foreign-born share is 0%. Households here earn about 25% less than in Pennsylvania as a whole.

At a glance
Lower income
below the US median
US median: $66,278
Older
median age 45.8
US median: 38.8
Less educated
16% hold a bachelor's degree
US average: 33%
More affordable
home values down 8%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

2,745
−16%since 2000
from 3,254 in 2000
1990 – 2025
45.8
+4%since 2000
from 44.0 in 2000
US average: 38.8
Land area
1.23 sq mi
Population, 19902024
3K3K3K3K4K19902000201020202024St. Clair
20243K
1990201020202024
Age distribution, 2020
Under 54.6%(127)
US avg: 5.6%
5 to 94.7%(130)
US avg: 6.1%
10 to 145.4%(147)
US avg: 6.5%
15 to 194.9%(134)
US avg: 6.6%
20 to 245%(137)
US avg: 6.7%
25 to 3413%(356)
US avg: 13.5%
35 to 4411.7%(322)
US avg: 12.7%
45 to 5413.1%(359)
US avg: 12.3%
55 to 6415.5%(425)
US avg: 13.1%
65 to 7412.9%(354)
US avg: 10%
75 to 846%(166)
US avg: 4.9%
85 and over3.2%(88)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$47,820
+13%inflation adjusted, since 2000
from $28,161 in 2000
US average: $66,278
1990 – 2024
$27,237
+77%since 2000
from $15,418 in 2000
US average: $35,364
Households earning $100K+
31.7%
+24.4 ptssince 2009
from 7.3% in 2009
US average: 43.9%
17.8%
+6.0 ptssince 2000
from 11.8% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade16.7%
US avg: 10%
Information14.1%
US avg: 11.1%
Wholesale trade11.1%
US avg: 6.7%
Finance & insurance7.8%
US avg: 5.5%
Professional, scientific, technical6.6%
US avg: 4.7%
Other services4.2%
US avg: 6.6%
Public administration4.2%
US avg: 4.7%
Education & health services1.3%
US avg: 0.8%
Transportation & warehousing0.7%
US avg: 2.5%
Agriculture, forestry, fishing0.4%
US avg: 1.7%
Manufacturing0.4%
US avg: 0.5%
Construction0%
US avg: 1.2%
Arts, entertainment, food0%
US avg: 2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

$65,200
−8%inflation adjusted, since 2000
from $47,400 in 2000
US average: $265,253
1990 – 2024
$702
+36%inflation adjusted, since 2000
from $343 in 2000
US average: $1,124
69.6%
−3.1 ptssince 2000
from 72.7% in 2000
30.4% rent
2.21 people
+6%since 2009
from 2.09 people in 2009
US average: 2.61
1.4
−24%since 2009
from 1.8 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04

Race & ethnicity

2000
White, non-Hispanic98.4%(3,201)
Black0.6%(21)
Hispanic / Latino0.7%(23)
Asian0.1%(2)
Other0%
2020
White, non-Hispanic91%(2,499)
Black1.1%(30)
Hispanic / Latino3.6%(98)
Asian0.8%(22)
Other0.5%(14)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Puerto Rican0.8%(22)
Asian origin
Chinese0.4%(10)
Ancestry
Irish27.8%(791)
German24.5%(696)
Polish15.2%(433)
Italian8.2%(233)
Lithuanian7.3%(207)
English5.5%(156)
Russian5.5%(155)
Dutch5%(143)
Welsh4.1%(117)
Ukrainian3.9%(110)
Slovak3.8%(107)
American3.5%(99)
+ 10 more ancestry groups with data
Greek3.1%(88)
Danish1.3%(36)
Macedonian1.1%(32)
French1.1%(31)
Hungarian1.1%(31)
Czech1%(29)
Austrian0.7%(20)
British0.3%(9)
Arab0.2%(7)
Scottish0.2%(7)
Section 05

Education

16.3%
+6.7 ptssince 2000
from 9.6% in 2000
US average: 32.9%
High school or higher
89.2%
+11.9 ptssince 2000
from 77.4% in 2000
US average: 88.5%
3.9%
+0.6 ptssince 2000
from 3.3% in 2000
US average: 12.7%
Section 06

Commute & transportation

23.9 min
+52%since 2000
from 15.8 min in 2000
US average: 26.9
68.8%
−14.0 ptssince 2009
from 82.8% in 2009
US average: 75.1%
7.2%
−6.6 ptssince 2009
from 13.9% in 2009
US average: 8.4%
Section 07

Work & employment

6.2%
−1.1 ptssince 2011
from 7.3% in 2011
US average: 5.4%
61.1%
+1.6 ptssince 2011
from 59.5% in 2011
US average: 63.4%
Women 20-64 in the labor force
72.6%
US average: 73.3%
24.8%
+7.6 ptssince 2009
from 17.3% in 2009
US average: 39.3%
Section 08

People & community

46.1%
+0.3 ptssince 2009
from 45.8% in 2009
53.9%
−0.3 ptssince 2009
from 54.2% in 2009
0.2%
−2.5 ptssince 2009
from 2.8% in 2009
US average: 13.5%
4.0%
−12.9 ptssince 2013
from 16.9% in 2013
US average: 8.8%
Computer in household
85.1%
US average: 91.9%
92.4%
US average: 86.2%
Marital status (2024)
Men 15+
Never married38.7%(437)
Married38.7%(437)
Widowed7.7%(87)
Divorced14.9%(168)
Women 15+
Never married42.1%(545)
Married34.3%(444)
Widowed10.8%(140)
Divorced12.9%(167)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

4.0%
−12.9 ptssince 2013
from 16.9% in 2013
US average: 8.8%
52.4%
US average: 55.4%
Direct-purchase
16.6%
US average: 13.7%
25.1%
US average: 17.6%
25.7%
US average: 20.0%
VA health care
2.4%
US average: 2.3%
Any private
71.9%
US average: 68.1%
Any public
45.9%
US average: 35.2%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2020
Gulf War (2001 or later)14.6%(30)
US avg: 20.6%
Gulf War (1990s)19.5%(40)
US avg: 21.4%
Vietnam era15.1%(31)
US avg: 35.2%
Korean War7.3%(15)
US avg: 7.6%
World War II0%(0)
US avg: 2.9%

Share of the 205 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Frequently asked

How many people live in St. Clair, Pennsylvania?

St. Clair, Pennsylvania has about 2,745 residents according to the 2020 American Community Survey.

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

The typical household in St. Clair, Pennsylvania earns about $47,820 a year. Half of households make more than that, and half make less.

Is St. Clair, Pennsylvania expensive?

In St. Clair, Pennsylvania, the median home is worth about $65,200, and the typical rent is about $702 a month.

How educated are people in St. Clair, Pennsylvania?

About 16.3% of adults age 25 and over in St. Clair, Pennsylvania hold a bachelor's degree or higher.

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

About 17.8% of people in St. Clair, Pennsylvania live below the federal poverty line.

Has St. Clair, Pennsylvania grown since 1990?

Yes, St. Clair, Pennsylvania has shrunk since 1990. The population has lost about 779 residents, a change of about -22 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 →