St. Clair, Pennsylvania Population 2021

2,816
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St. Clair is a city located in Pennsylvania. With a 2020 population of 2,816, it is the 330th largest city in Pennsylvania and the 6439th largest city in the United States . St. Clair is currently declining at a rate of -0.25% annually and its population has decreased by -6.26% since the most recent census, which recorded a population of 3,004 in 2010. St. Clair reached it's highest population of in . Spanning over 1 miles, St. Clair has a population density of 2,284 people per square mile.

The average household income in St. Clair is $54,379 with a poverty rate of 17.40%. The median rental costs in recent years comes to $717 per month, and the median house value is $69,000. The median age in St. Clair is 46.3 years, 47.4 years for males, and 40.4 years for females.

St. Clair Demographics

According to the most recent ACS, the racial composition of St. Clairwas:

  • White: 98.95%
  • Black or African American: 0.66%
  • Asian: 0.38%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
  • Two or more races: 0.00%
The current population of St. Clair, Pennsylvania is 2,816 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 2,830.The last official US Census in 2010 recorded the population at 3,004.

St. Clair, Pennsylvania Population 2021

Population by Race

Race Population Percentage
White2,83598.95%
Black or African American190.66%
Asian110.38%
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St. Clair Population by Race

St. Clair Population Pyramid $2021

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St. Clair Median Age

46.3


Total

47.4


Male

40.4


Female

St. Clair Adults

There are 2,355 adults, (609 of whom are seniors) in St. Clair.

St. Clair Age Dependency

64.1

Age Dependency Ratio

34.9

Old Age Dependency Ratio

29.2

Child Dependency Ratio

St. Clair Sex Ratio

Female

1,564

54.59%

Male

1,301

45.41%

St. Clair Population by Age

St. Clair Renter vs Owner Occupied by Household Type

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St. Clair Household Types

Type Owner Renter
Non Family54.7%45.3%
All71.3%28.7%
Male74%26%
Female80.5%19.5%
Married85.1%14.9%

71.3%

Rate of Home Ownership

St. Clair Households and Families

Type Count Average Size Owned
All1,2912.2271.3
Non Family5161.1554.7
Married4712.9685.1
Female2003.0980.5
Male1042.574

2.75

Average Family Size

2.22

Average Household Size

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St. Clair Households by Type

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Education Attained Count Percentage
Less Than 9th Grade562.60%
9th to 12th Grade1717.94%
High School Graduate1,15553.62%
Some College40918.99%
Associates Degree1436.64%
Bachelors Degree1486.87%
Graduate Degree723.34%
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St. Clair Educational Attainment by Sex (over 25)

St. Clair Educational Attainment by Race

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Race Total High School Bachelors
White2,1191,916209
Hispanic14
Asian111111
Black10

The highest rate of high school graduation is among asian people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 100.00%.

St. Clair Educational Attainment by Race

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Name Average Male Female
Overall$34,043$40,174$24,965
Less Than 9th Grade$17,266$$18,194
High School Graduate$33,125$40,363$24,222
Some College$36,029$39,803$30,885
Bachelors Degree$40,179$49,375$23,375
Graduate Degree$56,136$45,795$65,625

$34,043

Average Earnings

$40,174

Average Male

$24,965

Average Female

St. Clair Earnings by Educational Attainment

St. Clair Language by Age

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St. Clair Language

99.18% of St. Clair residents speak only English, while 0.82% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.50% of the population.

St. Clair Language

St. Clair Poverty by Race

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Name Total In Poverty Poverty Rate
White2,78444015.80%
Hispanic3737100.00%
Black1919100.00%

17.40%

Overall Poverty Rate

15.60%

Male Poverty Rate

18.90%

Female Poverty Rate

Poverty in St. Clair

The race most likely to be in poverty in St. Clair is Black, with 100.00% below the poverty level.

The race least likely to be in poverty in St. Clair is White, with 15.80% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.97%. Among those working part-time, it was 23.55%, and for those that did not work, the poverty rate was 27.00%.

St. Clair Poverty

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Name Poverty
Less Than 9th Grade35.24%
Some College15.94%
High School11.60%
Bachelors or Greater7.73%

St. Clair Poverty Rate by Education

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Rate Poverty
Male Unemployed75.86%
Female Unemployed45.00%
Female Employed9.89%
Male Employed4.01%

St. Clair Poverty Rate by Employment Status and Sex

St. Clair Income by Household Type

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Name Median Mean
Households$40,884$54,379
Families$50,817$65,347
Married Families$73,646-
Non Families$22,447$30,458
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Income by Household Type

St. Clair Marital Status

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Marriage Rates

41.1%

Overall Marriage Rate

40.3%

Male Marriage Rate

42.0%

Female Marriage Rate

St. Clair Married by Age and Sex

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St. Clair Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

St. Clair Marital Status by Race

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St. Clair Marital Status

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248

Number of Veterans

233

Male Veterans

15

Female Veterans

War Veterans
First Gulf War45
Vietnam40
Second Gulf War28
Korea17
World War II

St. Clair Veterans by War

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Age Group Veterans
35 to 5493
75+58
55 to 6450
65 to 7440
18 to 347

St. Clair Veterans by Age

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St. Clair Veterans by Race

St. Clair Veterans by Education

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32.26%

Veteran Poverty Rate

27.42%

Veteran Disability Rate

St. Clair Veterans by Education

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60.2%

Labor Force Participation

55.8%

Employment Rate

7.4%

Unemployment Rate

St. Clair Employment by Age

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St. Clair Employment by Race

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St. Clair Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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91.76%

Born in St. Clair

99.69%

Native Born

0.31%

Foreign Born

0.00%

Non Citizen

0.31%

Naturalized

Place of Birth

99.69% of St. Clair residents were born in the United States, with 91.76% having been born in Pennsylvania. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

St. Clair Place of Birth

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
20212,816-7-0.25%
20202,823-7-0.25%
20192,830-7-0.25%
20182,837-17-0.60%
20172,854-23-0.80%
20162,877-21-0.72%
20152,898-28-0.96%
20142,926-26-0.88%
20132,952-16-0.54%
20122,968-12-0.40%
20112,980-25-0.83%
20103,005-249-0.79%
20003,254-270-0.79%
19903,524-513-1.35%
19804,037-539-1.25%
19704,576-583-1.19%
19605,159-697-1.26%
19505,856-953-1.50%
19406,809-487-0.69%
19307,296-5,784-5.67%
192013,0809850.79%
191012,0957,45710.06%
19004,6389582.34%
18903,680-469-1.19%
18804,149-1,577-3.17%
18705,7268251.57%
18604,9010.00%

St. Clair Population by Year