St. Clair, Pennsylvania Population 2020

2,795

St. Clair is a city located in Pennsylvania. With a 2020 population of 2,795, it is the 333rd largest city in Pennsylvania and the 6454th largest city in the United States. St. Clair is currently declining at a rate of -0.82% annually and its population has decreased by -6.96% since the most recent census, which recorded a population of 3,004 in 2010. St. Clair reached it's highest population of 13,080 in 1920. Spanning over 1 miles, St. Clair has a population density of 2,267 people per square mile.

The average household income in St. Clair is $49,698 with a poverty rate of 14.98%. The median rental costs in recent years comes to $665 per month, and the median house value is $67,600. The median age in St. Clair is 46.2 years, 46.8 years for males, and 43.8 years for females. For every 100 females there are 85.0 males.

St. Clair Demographics

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

  • White: 98.93%
  • Black or African American: 0.62%
  • Asian: 0.45%
  • 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 2,795, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 2,841.The last official US Census in 2010 recorded the population at 3,004.

St. Clair, Pennsylvania Population 2020

Population by Race

Race Population Percentage
White2,86098.93%
Black or African American180.62%
Asian130.45%

St. Clair Population Pyramid 2020

St. Clair Median Age

46.2


Total

46.8


Male

43.8


Female

St. Clair Adults

There are 2,339 adults, (586 of whom are seniors) in St. Clair.

St. Clair Age Dependency

64.9

Age Dependency Ratio

33.4

Old Age Dependency Ratio

31.5

Child Dependency Ratio

St. Clair Sex Ratio

Female

1,563

54.06%

Male

1,328

45.94%

St. Clair Households and Families

St. Clair Renter vs Owner Occupied by Household Type

St. Clair Household Types

Type Owner Renter
Married83.7%16.3%
Female78.1%21.9%
All66.9%33.1%
Male64.7%35.3%
Non Family49.1%50.9%

66.9%

Rate of Home Ownership

Type Count Average Size Owned
All1,2772.2666.9
Non Family5581.1249.1
Married4963.2783.7
Female1552.9278.1
Male682.7564.7

3.01

Average Family Size

2.26

Average Household Size

2.8%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

St. Clair Education

Education Attained Count Percentage
Less Than 9th Grade482.25%
9th to 12th Grade1908.90%
High School Graduate1,12852.83%
Some College38317.94%
Associates Degree1728.06%
Bachelors Degree1446.74%
Graduate Degree703.28%

St. Clair Educational Attainment by Race

Name Total High School Bachelors
White2,1141,884201
Asian131313
Black8

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%.

Name Average Male Female
Overall$32,696$39,699$24,133
Less Than High School$15,804$26,042$14,732
High School Grad$29,444$39,643$22,972
Some College$33,977$39,048$31,579
Bachelors Degree$48,571$53,542$
Graduate Degree$57,159$43,654$63,875

$32,696

Average Earnings

$39,699

Average Male

$24,133

Average Female

St. Clair Language

St. Clair Language by Age

St. Clair Language

99.00% of St. Clair residents speak only English, while 1.00% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 0.57% of the population.

St. Clair Poverty

St. Clair Poverty by Race

Name Total In Poverty Poverty Rate
White2,84641314.51%
Black1818100.00%

14.98%

Overall Poverty Rate

15.81%

Male Poverty Rate

14.27%

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 14.51% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.20%. Among those working part-time, it was 18.88%, and for those that did not work, the poverty rate was 27.24%.

Name Poverty
Some College18.92%
Less Than High School15.13%
High School12.94%
Bachelors or Greater9.35%
Name Poverty
Male Unemployed55.10%
Female Unemployed32.50%
Male Employed4.40%
Female Employed1.94%

St. Clair Income

St. Clair Income by Household Type

Name Median Mean
Households$36,645$49,698
Families$48,990$63,376
Married Families$59,615-
Non Families$19,032$27,952

St. Clair Marital Status

St. Clair Marital Status

Marriage Rates

42.8%

Overall Marriage Rate

42.3%

Male Marriage Rate

43.3%

Female Marriage Rate

St. Clair Married by Age and Sex

St. Clair Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.

St. Clair Marital Status by Race

St. Clair Veterans

281

Number of Veterans

274

Male Veterans

7

Female Veterans

War Veterans
Vietnam60
First Gulf War31
Second Gulf War28
Korea23
World War II8
Age Group Veterans
35 to 54115
75+63
65 to 7452
55 to 6444
18 to 347

$St. Clair Veterans by Education

32.74%

Veteran Poverty Rate

20.64%

Veteran Disability Rate

St. Clair Employment Status

60.4%

Labor Force Participation

52.6%

Employment Rate

12.8%

Unemployment Rate

St. Clair Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

91.08%

Born in Pennsylvania

100.00%

Native Born

0.00%

Foreign Born

0.00%

Non Citizen

Place of Birth

100.00% of St. Clair residents were born in the United States, with 91.08% 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.

Year Population Growth Annual Growth Rate
20202,795-23-0.82%
20192,818-23-0.81%
20182,841-15-0.53%
20172,856-23-0.80%
20162,879-21-0.72%
20152,900-28-0.96%
20142,928-24-0.81%
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%