Bellevue, PA

Borough in Allegheny County, PA, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

8,128

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

Median Age

37.2

years ∙ half population younger than 37.2, half older

Diversity Index

30.1%

chance two random people differ in race and ethnicity

Nativity

2.7%

foreign-born population

97.3%Native

2.7% Foreign-born

Geographic Context

Location, size, and surroundings

About

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

Location

Borough in Allegheny County, PA, US

Co-ordinates

DEC40.493950° N, 80.055342° W

DMS40° 29′ 38.22″ N, 80° 03′ 19.23″ W

Population Density & area

8,048/sq mi (3,102/km²)

Total Area

1.12 sq mi (2.91 km²)

Land Area

1.01 sq mi (2.62 km²) · 89.9%

Water Area

0.11 sq mi (0.29 km²) · 10.1%

Demographics & Living

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

Population Composition

Key characteristics of the population

Sex Distribution

47.1% male

Male 47.1%

Female 52.9%

males per 100 females

Bellevue 89.2

Allegheny County 95.3

Pennsylvania 97.2

Nativity

2.7%

foreign-born population

97.3%Native

2.7% Foreign-born

% Foreign-born

Bellevue 2.7%

Allegheny County 6.6%

Pennsylvania 7.7%

Age Distribution

How the population is spread across age groups

Median Age

37.2

years ∙ half population younger than 37.2, half older

Bellevue

37.2

Allegheny County

40.6

Pennsylvania

40.9

Dependency ratio

52.1

dependents per 100 working-age adults

Bellevue 52.1

Allegheny County 63.3

Pennsylvania 66.4

AGE DISTRIBUTION

Distribution of age group

Median age

	Bellevue	Allegheny County	Pennsylvania
Age Group
Children (Under 18)	17.6%	18.6%	20.4%
Working age (18-64)	65.8%	61.2%	60.1%
Senior (65+)	16.6%	20.2%	19.5%
Dependency ratio
Total dependency ratio	52.1	63.3	66.4
Child dependency ratio	26.8	30.4	34
Old-age dependency ratio	25.3	33	32.4

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

82.9%

Black

9.1%

Asian

0.9%

Hispanic

1.7%

Other

5.4%

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

30.1%

chance two random people differ in race and ethnicity

Bellevue 30.1%

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 Bellevue population

	Bellevue	Allegheny County	Pennsylvania
Hispanic or Latino	1.7%	3%	8.7%
Mexican	1%	1%	1.4%
Puerto Rican	0.1%	0.6%	3.7%
Cuban	0%	0.1%	0.2%
Other Hispanic / Latino	0.6%	1.3%	3.4%
Not Hispanic or Latino	98.3%	97%	91.3%
One race	92.9%	92.7%	87.7%
White	82.9%	75.5%	73%
Black or African American	9.1%	12.4%	10.3%
American Indian and Alaska Native	0%	0.1%	0.1%
Asian	0.9%	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)	5.4%	4.3%	3.6%

Household & Families Composition

Household size, type, and family structure

Household structure

45.4% family

Family 45.4%

Non family 54.6%

% family households

Bellevue 45.4%

Allegheny County 55.4%

Pennsylvania 62.4%

Average household size

1.99

persons per household

Bellevue

1.99

Allegheny County

2.2

Pennsylvania

2.39

Household & Family COMPOSITION

Households

Percentage of Bellevue population

	Bellevue	Allegheny County	Pennsylvania
Total households	4,053	545,802	5,274,853
Average houshold size	1.99	2.2	2.39
Family households	1,841	302,270	3,291,192
Average family size	2.89	2.92	3.01
Married couple family	1,320	225,008	2,437,812
Other families	521	77,262	853,380
Male householder	85	19,850	246,246
Female householder	436	57,412	607,134
Non-family households	2,212	243,532	1,983,661
One-person households	1,842	200,796	1,629,974
Male householder	874	90,645	733,485
Senior (65+) living alone	306	27,423	246,162
Female householder	968	110,151	896,489
Senior (65+) living alone	277	55,733	477,851
Other living arrangements	370	42,736	353,687

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

4,512

housing units

Bellevue 4,512

Allegheny County 606,827

Pennsylvania 5,806,452

Occupancy status

89.8% occupied

Occupied 89.8%

Vacant 10.2%

vacancy rate

Bellevue 10.2%

Allegheny County 10.1%

Pennsylvania 9.2%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

45.3%

Single family houses

45.3%

Apartments in multi-unit structures

54.6%

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 Bellevue the estimate falls at or before 1939, the lower limit of the survey's reporting range.

Historic ∙ 1939 or earlier

55%

Postwar & mid-century ∙ 1940 - 1969

27.8%

Late 20th century ∙ 1970 - 1999

15.9%

Modern ∙ 2000 or later

1.2%

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

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Bellevue	Allegheny County	Pennsylvania
Rooms per unit
Median rooms	5.1	5.9	6
1–3 rooms	22.8%	14.1%	11.7%
4–6 rooms	46.6%	48.7%	47.7%
7+ rooms	30.6%	37.3%	40.7%
Bedrooms
No bedroom / studio	3.8%	2.5%	2.3%
1 bedroom	28.2%	13.8%	10.4%
2 bedrooms	32.2%	26.2%	22.5%
3 bedrooms	23%	37.6%	42.3%
4+ bedrooms	12.7%	19.9%	22.6%
At a glance
Median year built	1938	1958	1966
Total housing units	4,512	606,827	5,806,452

Occupancy Profile

Who is inside and how they use it

Homeownership

45.2% owners

Renter-occupied 54.8%

Owner-occupied 45.2%

homeownership rate

Bellevue 45.2%

Allegheny County 65.2%

Pennsylvania 69.3%

Average household size

2.58

Owner-occupied

1.5

Renter-occupied

owner-occupied average size

Bellevue 2.58

Allegheny County 2.39

Pennsylvania 2.53

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Bellevue	Allegheny County	Pennsylvania
Total occupied units	4,053	545,802	5,274,853
Year moved in
2020 or later	23.1%	22.3%	20.2%
2010 to 2019	41.1%	36.1%	36.1%
2000 to 2009	18.8%	15.5%	17.5%
1999 or earlier	17%	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	11.6%	11.9%	10.4%
1 vehicle	46.2%	40.5%	35.1%
2 vehicles	37.9%	35%	35.9%
3 or more vehicles	4.2%	12.6%	18.6%
House heating fuel used
Gas	80.5%	82%	56.4%
Electricity	18.2%	16.1%	25.3%
Solar	0%	0.1%	0.1%
Fuel oil, kerosene etc	0.5%	1%	14%
All other fuels	0.5%	0.5%	3.7%
No fuel used	0.2%	0.4%	0.5%
Selected characteristics
Lacking complete plumbing	0%	0.3%	0.4%
Lacking complete kitchen	0.4%	0.8%	0.8%
No telephone service available	0.9%	0.7%	0.9%

Housing Value

What owner-occupied units are worth

Median home value

$213,300

owner-occupied units

Median value(USD)

Bellevue

$213,300

Allegheny County

$227,600

Pennsylvania

$254,500

Housing Cost Burden

27.8%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

27.8%

Owners without a mortgage

14.7%

Renters

37.7%

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

	Bellevue	Allegheny County	Pennsylvania
Property value
Median Value	$213,300	$227,600	$254,500
Under $100,000	9%	15.8%	13.9%
$100,000 - $200,000	35.4%	26.3%	22.4%
$200,000 - $300,000	41.8%	24.1%	22.9%
$300,000 - $500,000	13.4%	22.4%	25.9%
$500,000 - $1,000,000	0.4%	9.7%	12.8%
$1,000,000 and more	0%	1.7%	2.1%
Owner-occupied households
With a mortgage	63.9%	57.5%	58%
Without a mortgage	36.1%	42.5%	42%
Median monthly owner costs
With a mortgage	$1,700	$1,685	$1,762
Without a mortgage	$694	$654	$644
Gross rent
Median rent	$973	$1,153	$1,209

Education Profile

How educated is the community and how education pays off

Adults with a college degree

48.7%

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

Bellevue 48.7%

Allegheny County 45.8%

Pennsylvania 35.2%

Adults without a high school diploma

3.7%

of adults (25+) without a high school diploma

Bellevue 3.7%

Allegheny County 4.4%

Pennsylvania 7.9%

School Enrollment

Who is enrolled in school and at what level

School enrollment

1,110

population (age 3+) enrolled in school

Nursery / Preschool

13.5%

K–12

65.6%

College / Undergraduate

8.1%

Graduate / Professional

12.8%

College-going rate (18-24 yr olds)

15.3%

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

Bellevue

15.3%

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

	Bellevue	Allegheny County	Pennsylvania
Total enrolled (age 3+)	1,110	271,864	2,913,513
Nursery / preschool	13.5%	5.9%	5.7%
K–12	65.6%	61.5%	66.9%
Kindergarten	6.1%	4.9%	4.8%
Elementary: Grades 1–4	25.7%	18.8%	19.7%
Elementary: Grades 5–8	14.4%	18.5%	20.7%
High School: Grades 9–12	19.4%	19.3%	21.7%
College or graduate school	20.9%	32.6%	27.4%
College, undergraduate	8.1%	23.4%	21.2%
Graduate, professional school	12.8%	9.2%	6.2%
College-going rate · 18-24 yr olds	15.3%	52.3%	44%
School type
Public school	75.5%	75.6%	75.3%
Private school	24.5%	24.4%	24.7%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

6,447

population 25 years and over

Total adults (25+)

Less than 9th grade

0.6%

9th-12th, no diploma

3.1%

HS graduate

23.2%

Some college no degree

15.3%

Associates degree

9.1%

Bachelors degree

31.8%

Graduate or professional degree

16.9%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

38.5% · 61.5%

9th-12th, no diploma

60.6% · 39.4%

HS graduate

48.2% · 51.8%

Some college no degree

40.4% · 59.6%

Associates degree

37.4% · 62.6%

Bachelors degree

52.9% · 47.1%

Graduate or professional degree

34.4% · 65.6%

Educational Attainment Overview

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

Highest credential completed · adults 25+

	Bellevue	Allegheny County	Pennsylvania
Population (25+)	6,447	899,968	9,189,697
Less than 9th grade	0.6%	1.5%	2.9%
9th–12th, no diploma	3.1%	2.9%	5%
High school diploma or GED	23.2%	25.2%	32.9%
Some college, no degree	15.3%	14.8%	15.1%
Associate's degree	9.1%	9.9%	8.9%
Bachelor's degree or higher	48.7%	45.8%	35.2%
Bachelor's degree	31.8%	26.4%	20.9%
Graduate or professional	16.9%	19.3%	14.3%
High School or higher	96.2%	95.7%	92.1%

Earnings by education level

percentage as applicable

Median Earnings

$51,064

Median earnings for adults 25+, by level

Less than HS graduate

$—

HS graduate

$36,473

Some college or associates

$53,487

Bachelors degree

$51,524

Graduate or professional degree

$72,031

Poverty Rate

7.8%

for ages 25+, with bachelors degree or higher

Less than HS graduate

9.1%

HS graduate

12.6%

Some college or associates

5.7%

Bachelors degree or higher

7.8%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Bellevue	Allegheny County	Pennsylvania
Median earnings
Population 25+, with earnings	$51,064	$57,377	$53,549
Less than high school graduate	$—	$30,069	$33,591
High school graduate (includes equivalency)	$36,473	$38,876	$40,643
Some college or associate's degree	$53,487	$46,794	$47,736
Bachelor's degree	$51,524	$68,256	$69,335
Graduate or professional degree	$72,031	$86,164	$87,132
Poverty rates
Less than high school graduate	9.1%	29.5%	25.2%
High school graduate (includes equivalency)	12.6%	14.9%	13.3%
Some college or associate's degree	5.7%	10.5%	9.1%
Bachelor's degree or higher	7.8%	4.2%	4.1%

Insights for Bellevue, 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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