Tarentum, PA

Borough in Allegheny County, PA, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

4,249

Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

42.3

years ∙ half population younger than 42.3, half older

Diversity Index

22.8%

chance two random people differ in race and ethnicity

Nativity

1.8%

foreign-born population

98.2%Native

1.8% Foreign-born

Geographic Context

Location, size, and surroundings

About

Tarentum is a borough within Allegheny County, Pennsylvania, United States.

Location

Borough in Allegheny County, PA, US

Co-ordinates

DEC40.604472° N, 79.759987° W

DMS40° 36′ 16.10″ N, 79° 45′ 35.95″ W

Population Density & area

3,454/sq mi (1,332/km²)

Total Area

1.38 sq mi (3.58 km²)

Land Area

1.23 sq mi (3.19 km²) · 89%

Water Area

0.15 sq mi (0.39 km²) · 11%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

46.7% male

Male 46.7%

Female 53.3%

males per 100 females

Tarentum 87.8

Allegheny County 95.3

Pennsylvania 97.2

Nativity

1.8%

foreign-born population

98.2%Native

1.8% Foreign-born

% Foreign-born

Tarentum 1.8%

Allegheny County 6.6%

Pennsylvania 7.7%

Age Distribution

How the population is spread across age groups

Median Age

42.3

years ∙ half population younger than 42.3, half older

Tarentum

42.3

Allegheny County

40.6

Pennsylvania

40.9

Dependency ratio

61.2

dependents per 100 working-age adults

Tarentum 61.2

Allegheny County 63.3

Pennsylvania 66.4

AGE DISTRIBUTION

Distribution of age group

Median age

	Tarentum	Allegheny County	Pennsylvania
Age Group
Children (Under 18)	19.9%	18.6%	20.4%
Working age (18-64)	62.1%	61.2%	60.1%
Senior (65+)	18%	20.2%	19.5%
Dependency ratio
Total dependency ratio	61.2	63.3	66.4
Child dependency ratio	32.1	30.4	34
Old-age dependency ratio	29.1	33	32.4

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

87.4%

Black

8.3%

Asian

0.2%

Hispanic

Other

2.1%

Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

22.8%

chance two random people differ in race and ethnicity

Tarentum 22.8%

Allegheny County 41%

Pennsylvania 44.6%

Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity

Percentage of Tarentum population

	Tarentum	Allegheny County	Pennsylvania
Hispanic or Latino	2%	3%	8.7%
Mexican	0.5%	1%	1.4%
Puerto Rican	0.5%	0.6%	3.7%
Cuban	0%	0.1%	0.2%
Other Hispanic / Latino	0.9%	1.3%	3.4%
Not Hispanic or Latino	98%	97%	91.3%
One race	95.8%	92.7%	87.7%
White	87.4%	75.5%	73%
Black or African American	8.3%	12.4%	10.3%
American Indian and Alaska Native	0%	0.1%	0.1%
Asian	0.2%	4.3%	3.8%
Native Hawaiian and Other Pacific Islander	0%	0%	0%
Some Other Race	0%	0.5%	0.5%
Two or more races (Multiracial)	2.2%	4.3%	3.6%

Household & Families Composition

Household size, type, and family structure

Household structure

47.1% family

Family 47.1%

Non family 52.9%

% family households

Tarentum 47.1%

Allegheny County 55.4%

Pennsylvania 62.4%

Average household size

2.08

persons per household

Tarentum

2.08

Allegheny County

2.2

Pennsylvania

2.39

Household & Family COMPOSITION

Households

Percentage of Tarentum population

	Tarentum	Allegheny County	Pennsylvania
Total households	2,020	545,802	5,274,853
Average houshold size	2.08	2.2	2.39
Family households	952	302,270	3,291,192
Average family size	3.09	2.92	3.01
Married couple family	599	225,008	2,437,812
Other families	353	77,262	853,380
Male householder	99	19,850	246,246
Female householder	254	57,412	607,134
Non-family households	1,068	243,532	1,983,661
One-person households	950	200,796	1,629,974
Male householder	398	90,645	733,485
Senior (65+) living alone	53	27,423	246,162
Female householder	552	110,151	896,489
Senior (65+) living alone	286	55,733	477,851
Other living arrangements	118	42,736	353,687

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

2,261

housing units

Tarentum 2,261

Allegheny County 606,827

Pennsylvania 5,806,452

Occupancy status

89.3% occupied

Occupied 89.3%

Vacant 10.7%

vacancy rate

Tarentum 10.7%

Allegheny County 10.1%

Pennsylvania 9.2%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

72.7%

Single family houses

72.7%

Apartments in multi-unit structures

27.2%

Mobile homes

Boat, RV, van, etc

Median Year Built

1938

Half of houses were built before 1938, and half after.

* The Census Bureau did not report an exact median year built for Tarentum the estimate falls at or before 1939, the lower limit of the survey's reporting range.

Historic ∙ 1939 or earlier

58.3%

Postwar & mid-century ∙ 1940 - 1969

23.5%

Late 20th century ∙ 1970 - 1999

13.5%

Modern ∙ 2000 or later

4.5%

Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Tarentum	Allegheny County	Pennsylvania
Rooms per unit
Median rooms	5.9	5.9	6
1–3 rooms	16.5%	14.1%	11.7%
4–6 rooms	47.4%	48.7%	47.7%
7+ rooms	36.2%	37.3%	40.7%
Bedrooms
No bedroom / studio	7.7%	2.5%	2.3%
1 bedroom	12.1%	13.8%	10.4%
2 bedrooms	33.7%	26.2%	22.5%
3 bedrooms	23.8%	37.6%	42.3%
4+ bedrooms	22.7%	19.9%	22.6%
At a glance
Median year built	1938	1958	1966
Total housing units	2,261	606,827	5,806,452

Occupancy Profile

Who is inside and how they use it

Homeownership

71.9% owners

Renter-occupied 28.1%

Owner-occupied 71.9%

homeownership rate

Tarentum 71.9%

Allegheny County 65.2%

Pennsylvania 69.3%

Average household size

2.19

Owner-occupied

1.81

Renter-occupied

owner-occupied average size

Tarentum 2.19

Allegheny County 2.39

Pennsylvania 2.53

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Tarentum	Allegheny County	Pennsylvania
Total occupied units	2,020	545,802	5,274,853
Year moved in
2020 or later	15.1%	22.3%	20.2%
2010 to 2019	31.4%	36.1%	36.1%
2000 to 2009	23.2%	15.5%	17.5%
1999 or earlier	30.4%	26.2%	26.2%
Occupants per room
1.00 or fewer	100%	99%	98.4%
1.01 to 1.50	0%	0.6%	1%
1.51 or more	0%	0.4%	0.6%
Vehicles availability
No vehicles	22.1%	11.9%	10.4%
1 vehicle	40%	40.5%	35.1%
2 vehicles	25.5%	35%	35.9%
3 or more vehicles	12.4%	12.6%	18.6%
House heating fuel used
Gas	90.5%	82%	56.4%
Electricity	8.5%	16.1%	25.3%
Solar	0%	0.1%	0.1%
Fuel oil, kerosene etc	0%	1%	14%
All other fuels	0%	0.5%	3.7%
No fuel used	1%	0.4%	0.5%
Selected characteristics
Lacking complete plumbing	0%	0.3%	0.4%
Lacking complete kitchen	0%	0.8%	0.8%
No telephone service available	6.7%	0.7%	0.9%

Housing Value

What owner-occupied units are worth

Median home value

$84,300

owner-occupied units

Median value(USD)

Tarentum

$84,300

Allegheny County

$227,600

Pennsylvania

$254,500

Housing Cost Burden

18.3%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

18.3%

Owners without a mortgage

30.6%

Renters

47.8%

Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs

Tenure, crowding, and utilities

	Tarentum	Allegheny County	Pennsylvania
Property value
Median Value	$84,300	$227,600	$254,500
Under $100,000	71.6%	15.8%	13.9%
$100,000 - $200,000	22.1%	26.3%	22.4%
$200,000 - $300,000	2.9%	24.1%	22.9%
$300,000 - $500,000	3.4%	22.4%	25.9%
$500,000 - $1,000,000	0%	9.7%	12.8%
$1,000,000 and more	0%	1.7%	2.1%
Owner-occupied households
With a mortgage	47%	57.5%	58%
Without a mortgage	53%	42.5%	42%
Median monthly owner costs
With a mortgage	$1,119	$1,685	$1,762
Without a mortgage	$414	$654	$644
Gross rent
Median rent	$803	$1,153	$1,209

Education Profile

How educated is the community and how education pays off

Adults with a college degree

26.7%

of adults 25+ with a bachelor's degree or higher

Tarentum 26.7%

Allegheny County 45.8%

Pennsylvania 35.2%

Adults without a high school diploma

2.1%

of adults (25+) without a high school diploma

Tarentum 2.1%

Allegheny County 4.4%

Pennsylvania 7.9%

School Enrollment

Who is enrolled in school and at what level

School enrollment

912

population (age 3+) enrolled in school

Nursery / Preschool

K–12

51.4%

College / Undergraduate

22.3%

Graduate / Professional

17.3%

College-going rate (18-24 yr olds)

42.6%

of 18-24-year-olds in college or graduate school

Tarentum

42.6%

Allegheny County

52.3%

Pennsylvania

44%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split

Population 3+ currently enrolled in a school

	Tarentum	Allegheny County	Pennsylvania
Total enrolled (age 3+)	912	271,864	2,913,513
Nursery / preschool	9%	5.9%	5.7%
K–12	51.4%	61.5%	66.9%
Kindergarten	1.9%	4.9%	4.8%
Elementary: Grades 1–4	24.3%	18.8%	19.7%
Elementary: Grades 5–8	13.8%	18.5%	20.7%
High School: Grades 9–12	11.4%	19.3%	21.7%
College or graduate school	39.6%	32.6%	27.4%
College, undergraduate	22.3%	23.4%	21.2%
Graduate, professional school	17.3%	9.2%	6.2%
College-going rate · 18-24 yr olds	42.6%	52.3%	44%
School type
Public school	85.7%	75.6%	75.3%
Private school	14.3%	24.4%	24.7%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

3,167

population 25 years and over

Total adults (25+)

Less than 9th grade

0.9%

9th-12th, no diploma

1.2%

HS graduate

46.9%

Some college no degree

15.6%

Associates degree

8.7%

Bachelors degree

20.3%

Graduate or professional degree

6.4%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

100% · 0%

9th-12th, no diploma

100% · 0%

HS graduate

44.5% · 55.5%

Some college no degree

58% · 42%

Associates degree

14.8% · 85.2%

Bachelors degree

41.5% · 58.5%

Graduate or professional degree

8.3% · 91.7%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)

Highest credential completed · adults 25+

	Tarentum	Allegheny County	Pennsylvania
Population (25+)	3,167	899,968	9,189,697
Less than 9th grade	0.9%	1.5%	2.9%
9th–12th, no diploma	1.2%	2.9%	5%
High school diploma or GED	46.9%	25.2%	32.9%
Some college, no degree	15.6%	14.8%	15.1%
Associate's degree	8.7%	9.9%	8.9%
Bachelor's degree or higher	26.7%	45.8%	35.2%
Bachelor's degree	20.3%	26.4%	20.9%
Graduate or professional	6.4%	19.3%	14.3%
High School or higher	97.9%	95.7%	92.1%

Earnings by education level

percentage as applicable

Median Earnings

$36,120

Median earnings for adults 25+, by level

Less than HS graduate

$—

HS graduate

$29,509

Some college or associates

$36,761

Bachelors degree

$48,750

Graduate or professional degree

$32,139

Poverty Rate

0.4%

for ages 25+, with bachelors degree or higher

Less than HS graduate

24.2%

HS graduate

24.6%

Some college or associates

11.9%

Bachelors degree or higher

0.4%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Tarentum	Allegheny County	Pennsylvania
Median earnings
Population 25+, with earnings	$36,120	$57,377	$53,549
Less than high school graduate	$—	$30,069	$33,591
High school graduate (includes equivalency)	$29,509	$38,876	$40,643
Some college or associate's degree	$36,761	$46,794	$47,736
Bachelor's degree	$48,750	$68,256	$69,335
Graduate or professional degree	$32,139	$86,164	$87,132
Poverty rates
Less than high school graduate	24.2%	29.5%	25.2%
High school graduate (includes equivalency)	24.6%	14.9%	13.3%
Some college or associate's degree	11.9%	10.5%	9.1%
Bachelor's degree or higher	0.4%	4.2%	4.1%

Insights for Tarentum, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

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