Washington County, Pennsylvania

County in PA, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

210,042

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

Median Age

44.2

years ∙ half population younger than 44.2, half older

Diversity Index

19.3%

chance two random people differ in race and ethnicity

Nativity

2.4%

foreign-born population

97.6%Native

2.4% Foreign-born

Geographic Context

Location, size, and surroundings

About

Washington County is a county in Pennsylvania, United States.

Location

County in PA, US

Co-ordinates

DEC40.200005° N, 80.252132° W

DMS40° 12′ 00.02″ N, 80° 15′ 07.68″ W

Population Density & area

245.1/sq mi (94.63/km²)

Total Area

860.8 sq mi (2,229.5 km²)

Land Area

857 sq mi (2,219.6 km²) · 99.55%

Water Area

3.8 sq mi (9.9 km²) · 0.45%

Demographics & Living

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

Population Composition

Key characteristics of the population

Sex Distribution

49.5% male

Male 49.5%

Female 50.5%

males per 100 females

Washington County 97.9

Pennsylvania 97.2

United States 98

Nativity

2.4%

foreign-born population

97.6%Native

2.4% Foreign-born

% Foreign-born

Washington County 2.4%

Pennsylvania 7.7%

United States 14.1%

Age Distribution

How the population is spread across age groups

Median Age

44.2

years ∙ half population younger than 44.2, half older

Washington County

44.2

Pennsylvania

40.9

United States

38.9

Dependency ratio

dependents per 100 working-age adults

Washington County 71

Pennsylvania 66.4

United States 64.4

AGE DISTRIBUTION

Distribution of age group

Median age

	Washington County	Pennsylvania	United States
Age Group
Children (Under 18)	19.6%	20.4%	22%
Working age (18-64)	58.4%	60.1%	60.8%
Senior (65+)	22%	19.5%	17.2%
Dependency ratio
Total dependency ratio	71	66.4	64.4
Child dependency ratio	33.4	34	36.1
Old-age dependency ratio	37.6	32.4	28.3

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

89.7%

Black

3.2%

Asian

1.3%

Hispanic

2.1%

Other

3.7%

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

19.3%

chance two random people differ in race and ethnicity

Washington County 19.3%

Pennsylvania 44.6%

United States 61.4%

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 Washington County population

	Washington County	Pennsylvania	United States
Hispanic or Latino	2.1%	8.7%	19.3%
Mexican	0.6%	1.4%	11.3%
Puerto Rican	0.3%	3.7%	1.8%
Cuban	0.3%	0.2%	0.8%
Other Hispanic / Latino	0.9%	3.4%	5.5%
Not Hispanic or Latino	97.9%	91.3%	80.7%
One race	94.4%	87.7%	76.4%
White	89.7%	73%	57.4%
Black or African American	3.2%	10.3%	11.9%
American Indian and Alaska Native	0%	0.1%	0.5%
Asian	1.3%	3.8%	5.9%
Native Hawaiian and Other Pacific Islander	0%	0%	0.2%
Some Other Race	0.3%	0.5%	0.6%
Two or more races (Multiracial)	3.5%	3.6%	4.3%

Household & Families Composition

Household size, type, and family structure

Household structure

63.6% family

Family 63.6%

Non family 36.4%

% family households

Washington County 63.6%

Pennsylvania 62.4%

United States 64.2%

Average household size

2.31

persons per household

Washington County

2.31

Pennsylvania

2.39

United States

2.53

Household & Family COMPOSITION

Households

Percentage of Washington County population

	Washington County	Pennsylvania	United States
Total households	88,505	5,274,853	129,227,496
Average houshold size	2.31	2.39	2.53
Family households	56,307	3,291,192	82,990,528
Average family size	2.88	3.01	3.14
Married couple family	44,251	2,437,812	60,637,388
Other families	12,056	853,380	22,353,140
Male householder	3,923	246,246	6,572,819
Female householder	8,133	607,134	15,780,321
Non-family households	32,198	1,983,661	46,236,968
One-person households	26,988	1,629,974	37,140,836
Male householder	12,344	733,485	16,871,444
Senior (65+) living alone	4,580	246,162	5,225,110
Female householder	14,644	896,489	20,269,392
Senior (65+) living alone	8,358	477,851	10,089,070
Other living arrangements	5,210	353,687	9,096,132

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

97,923

housing units

Washington County 97,923

Pennsylvania 5,806,452

United States 143,775,355

Occupancy status

90.4% occupied

Occupied 90.4%

Vacant 9.6%

vacancy rate

Washington County 9.6%

Pennsylvania 9.2%

United States 10.1%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

80.8%

Single family houses

80.8%

Apartments in multi-unit structures

13.6%

Mobile homes

5.4%

Boat, RV, van, etc

0.1%

Median Year Built

1968

Half of houses were built before 1968, and half after.

Historic ∙ 1939 or earlier

26%

Postwar & mid-century ∙ 1940 - 1969

28.2%

Late 20th century ∙ 1970 - 1999

28.7%

Modern ∙ 2000 or later

17.1%

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

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Washington County	Pennsylvania	United States
Rooms per unit
Median rooms	6.1	6	5.5
1–3 rooms	7.9%	11.7%	15.1%
4–6 rooms	50.4%	47.7%	51.6%
7+ rooms	41.6%	40.7%	33.4%
Bedrooms
No bedroom / studio	1.7%	2.3%	2.9%
1 bedroom	7.8%	10.4%	10.9%
2 bedrooms	26.6%	22.5%	25%
3 bedrooms	42.6%	42.3%	38.7%
4+ bedrooms	21.3%	22.6%	22.4%
At a glance
Median year built	1968	1966	1981
Total housing units	97,923	5,806,452	143,775,355

Occupancy Profile

Who is inside and how they use it

Homeownership

76.1% owners

Renter-occupied 23.9%

Owner-occupied 76.1%

homeownership rate

Washington County 76.1%

Pennsylvania 69.3%

United States 65.2%

Average household size

2.43

Owner-occupied

1.93

Renter-occupied

owner-occupied average size

Washington County 2.43

Pennsylvania 2.53

United States 2.64

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Washington County	Pennsylvania	United States
Total occupied units	88,505	5,274,853	129,227,496
Year moved in
2020 or later	18.9%	20.2%	24.8%
2010 to 2019	35.6%	36.1%	39.6%
2000 to 2009	15.7%	17.5%	16.4%
1999 or earlier	29.9%	26.2%	19.1%
Occupants per room
1.00 or fewer	98.7%	98.4%	96.6%
1.01 to 1.50	0.6%	1%	2.2%
1.51 or more	0.6%	0.6%	1.2%
Vehicles availability
No vehicles	7.3%	10.4%	8.4%
1 vehicle	32.9%	35.1%	33.1%
2 vehicles	40%	35.9%	36.6%
3 or more vehicles	19.8%	18.6%	21.9%
House heating fuel used
Gas	68.5%	56.4%	51.4%
Electricity	21%	25.3%	41.3%
Solar	0%	0.1%	0.3%
Fuel oil, kerosene etc	7.7%	14%	3.9%
All other fuels	2.2%	3.7%	2%
No fuel used	0.4%	0.5%	1.2%
Selected characteristics
Lacking complete plumbing	0.3%	0.4%	0.4%
Lacking complete kitchen	1.2%	0.8%	0.8%
No telephone service available	0.9%	0.9%	0.9%

Housing Value

What owner-occupied units are worth

Median home value

$228,500

owner-occupied units

Median value(USD)

Washington County

$228,500

Pennsylvania

$254,500

United States

$332,700

Housing Cost Burden

22.3%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

22.3%

Owners without a mortgage

10.7%

Renters

40.3%

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

	Washington County	Pennsylvania	United States
Property value
Median Value	$228,500	$254,500	$332,700
Under $100,000	18.8%	13.9%	11.4%
$100,000 - $200,000	24.1%	22.4%	15.8%
$200,000 - $300,000	21.9%	22.9%	17.8%
$300,000 - $500,000	22.9%	25.9%	26.9%
$500,000 - $1,000,000	11.1%	12.8%	20.9%
$1,000,000 and more	1.1%	2.1%	7.1%
Owner-occupied households
With a mortgage	55.6%	58%	60.6%
Without a mortgage	44.4%	42%	39.4%
Median monthly owner costs
With a mortgage	$1,618	$1,762	$1,963
Without a mortgage	$573	$644	$638
Gross rent
Median rent	$949	$1,209	$1,413

Education Profile

How educated is the community and how education pays off

Adults with a college degree

32.9%

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

Washington County 32.9%

Pennsylvania 35.2%

United States 35.7%

Adults without a high school diploma

5.4%

of adults (25+) without a high school diploma

Washington County 5.4%

Pennsylvania 7.9%

United States 10.4%

School Enrollment

Who is enrolled in school and at what level

School enrollment

43,024

population (age 3+) enrolled in school

Nursery / Preschool

6.9%

K–12

70.6%

College / Undergraduate

18.7%

Graduate / Professional

3.8%

College-going rate (18-24 yr olds)

40.4%

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

Washington County

40.4%

Pennsylvania

44%

United States

40.9%

Enrollment & school type

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

Population 3+ currently enrolled in a school

	Washington County	Pennsylvania	United States
Total enrolled (age 3+)	43,024	2,913,513	80,089,790
Nursery / preschool	6.9%	5.7%	5.7%
K–12	70.6%	66.9%	67.6%
Kindergarten	5.7%	4.8%	5%
Elementary: Grades 1–4	22.9%	19.7%	19.8%
Elementary: Grades 5–8	20.1%	20.7%	21%
High School: Grades 9–12	21.9%	21.7%	21.7%
College or graduate school	22.5%	27.4%	26.7%
College, undergraduate	18.7%	21.2%	21%
Graduate, professional school	3.8%	6.2%	5.8%
College-going rate · 18-24 yr olds	40.4%	44%	40.9%
School type
Public school	80.9%	75.3%	82%
Private school	19.1%	24.7%	18%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

152,583

population 25 years and over

Total adults (25+)

Less than 9th grade

1.6%

9th-12th, no diploma

3.8%

HS graduate

35.7%

Some college no degree

14.8%

Associates degree

11.2%

Bachelors degree

20.5%

Graduate or professional degree

12.4%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

54.6% · 45.4%

9th-12th, no diploma

51.8% · 48.2%

HS graduate

49.3% · 50.7%

Some college no degree

49.6% · 50.4%

Associates degree

44% · 56%

Bachelors degree

49.9% · 50.1%

Graduate or professional degree

47.8% · 52.2%

Educational Attainment Overview

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

Highest credential completed · adults 25+

	Washington County	Pennsylvania	United States
Population (25+)	152,583	9,189,697	230,807,303
Less than 9th grade	1.6%	2.9%	4.7%
9th–12th, no diploma	3.8%	5%	5.7%
High school diploma or GED	35.7%	32.9%	26%
Some college, no degree	14.8%	15.1%	19.1%
Associate's degree	11.2%	8.9%	8.8%
Bachelor's degree or higher	32.9%	35.2%	35.7%
Bachelor's degree	20.5%	20.9%	21.6%
Graduate or professional	12.4%	14.3%	14.1%
High School or higher	94.6%	92.1%	89.6%

Earnings by education level

percentage as applicable

Median Earnings

$54,389

Median earnings for adults 25+, by level

Less than HS graduate

$35,149

HS graduate

$42,667

Some college or associates

$48,664

Bachelors degree

$71,120

Graduate or professional degree

$84,242

Poverty Rate

2.7%

for ages 25+, with bachelors degree or higher

Less than HS graduate

23.7%

HS graduate

12.2%

Some college or associates

7.6%

Bachelors degree or higher

2.7%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Washington County	Pennsylvania	United States
Median earnings
Population 25+, with earnings	$54,389	$53,549	$52,696
Less than high school graduate	$35,149	$33,591	$32,485
High school graduate (includes equivalency)	$42,667	$40,643	$40,153
Some college or associate's degree	$48,664	$47,736	$47,260
Bachelor's degree	$71,120	$69,335	$70,044
Graduate or professional degree	$84,242	$87,132	$90,720
Poverty rates
Less than high school graduate	23.7%	25.2%	24.2%
High school graduate (includes equivalency)	12.2%	13.3%	14.4%
Some college or associate's degree	7.6%	9.1%	9.8%
Bachelor's degree or higher	2.7%	4.1%	4.5%

Insights for Washington County, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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