Sullivan County, Pennsylvania

County in PA, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

5,888

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

Median Age

55.9

years ∙ half population younger than 55.9, half older

Diversity Index

13%

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

Sullivan County is a county in Pennsylvania, United States.

Location

County in PA, US

Co-ordinates

DEC41.439285° N, 76.511717° W

DMS41° 26′ 21.43″ N, 76° 30′ 42.18″ W

Population Density & area

13.09/sq mi (5.05/km²)

Total Area

452.5 sq mi (1,171.9 km²)

Land Area

449.9 sq mi (1,165.3 km²) · 99.44%

Water Area

2.6 sq mi (6.6 km²) · 0.56%

Demographics & Living

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

Population Composition

Key characteristics of the population

Sex Distribution

52.9% male

Male 52.9%

Female 47.1%

males per 100 females

Sullivan County 112.2

Pennsylvania 97.2

United States 98

Nativity

1.8%

foreign-born population

98.2%Native

1.8% Foreign-born

% Foreign-born

Sullivan County 1.8%

Pennsylvania 7.7%

United States 14.1%

Age Distribution

How the population is spread across age groups

Median Age

55.9

years ∙ half population younger than 55.9, half older

Sullivan County

55.9

Pennsylvania

40.9

United States

38.9

Dependency ratio

72.1

dependents per 100 working-age adults

Sullivan County 72.1

Pennsylvania 66.4

United States 64.4

AGE DISTRIBUTION

Distribution of age group

Median age

	Sullivan County	Pennsylvania	United States
Age Group
Children (Under 18)	10.4%	20.4%	22%
Working age (18-64)	58.1%	60.1%	60.8%
Senior (65+)	31.5%	19.5%	17.2%
Dependency ratio
Total dependency ratio	72.1	66.4	64.4
Child dependency ratio	18	34	36.1
Old-age dependency ratio	54.1	32.4	28.3

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

93.2%

Black

2.3%

Asian

0.1%

Hispanic

2.3%

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

13%

chance two random people differ in race and ethnicity

Sullivan County 13%

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 Sullivan County population

	Sullivan County	Pennsylvania	United States
Hispanic or Latino	2.3%	8.7%	19.3%
Mexican	0.6%	1.4%	11.3%
Puerto Rican	0.4%	3.7%	1.8%
Cuban	0%	0.2%	0.8%
Other Hispanic / Latino	1.3%	3.4%	5.5%
Not Hispanic or Latino	97.7%	91.3%	80.7%
One race	95.7%	87.7%	76.4%
White	93.2%	73%	57.4%
Black or African American	2.3%	10.3%	11.9%
American Indian and Alaska Native	0%	0.1%	0.5%
Asian	0.1%	3.8%	5.9%
Native Hawaiian and Other Pacific Islander	0%	0%	0.2%
Some Other Race	0.1%	0.5%	0.6%
Two or more races (Multiracial)	2%	3.6%	4.3%

Household & Families Composition

Household size, type, and family structure

Household structure

63.5% family

Family 63.5%

Non family 36.5%

% family households

Sullivan County 63.5%

Pennsylvania 62.4%

United States 64.2%

Average household size

2.18

persons per household

Sullivan County

2.18

Pennsylvania

2.39

United States

2.53

Household & Family COMPOSITION

Households

Percentage of Sullivan County population

	Sullivan County	Pennsylvania	United States
Total households	2,551	5,274,853	129,227,496
Average houshold size	2.18	2.39	2.53
Family households	1,620	3,291,192	82,990,528
Average family size	2.7	3.01	3.14
Married couple family	1,376	2,437,812	60,637,388
Other families	244	853,380	22,353,140
Male householder	75	246,246	6,572,819
Female householder	169	607,134	15,780,321
Non-family households	931	1,983,661	46,236,968
One-person households	798	1,629,974	37,140,836
Male householder	465	733,485	16,871,444
Senior (65+) living alone	207	246,162	5,225,110
Female householder	333	896,489	20,269,392
Senior (65+) living alone	215	477,851	10,089,070
Other living arrangements	133	353,687	9,096,132

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

5,584

housing units

Sullivan County 5,584

Pennsylvania 5,806,452

United States 143,775,355

Occupancy status

45.7% occupied

Occupied 45.7%

Vacant 54.3%

vacancy rate

Sullivan County 54.3%

Pennsylvania 9.2%

United States 10.1%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

88.1%

Single family houses

88.1%

Apartments in multi-unit structures

3.3%

Mobile homes

8.2%

Boat, RV, van, etc

0.4%

Median Year Built

1975

Half of houses were built before 1975, and half after.

Historic ∙ 1939 or earlier

27.4%

Postwar & mid-century ∙ 1940 - 1969

18.9%

Late 20th century ∙ 1970 - 1999

38.4%

Modern ∙ 2000 or later

15.3%

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

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Sullivan County	Pennsylvania	United States
Rooms per unit
Median rooms	5.5	6	5.5
1–3 rooms	16.8%	11.7%	15.1%
4–6 rooms	49.2%	47.7%	51.6%
7+ rooms	34.2%	40.7%	33.4%
Bedrooms
No bedroom / studio	2.5%	2.3%	2.9%
1 bedroom	8.7%	10.4%	10.9%
2 bedrooms	27.5%	22.5%	25%
3 bedrooms	39.7%	42.3%	38.7%
4+ bedrooms	21.7%	22.6%	22.4%
At a glance
Median year built	1975	1966	1981
Total housing units	5,584	5,806,452	143,775,355

Occupancy Profile

Who is inside and how they use it

Homeownership

84.9% owners

Renter-occupied 15.1%

Owner-occupied 84.9%

homeownership rate

Sullivan County 84.9%

Pennsylvania 69.3%

United States 65.2%

Average household size

2.21

Owner-occupied

1.99

Renter-occupied

owner-occupied average size

Sullivan County 2.21

Pennsylvania 2.53

United States 2.64

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Sullivan County	Pennsylvania	United States
Total occupied units	2,551	5,274,853	129,227,496
Year moved in
2020 or later	10.5%	20.2%	24.8%
2010 to 2019	32.8%	36.1%	39.6%
2000 to 2009	20.9%	17.5%	16.4%
1999 or earlier	35.7%	26.2%	19.1%
Occupants per room
1.00 or fewer	98.3%	98.4%	96.6%
1.01 to 1.50	1.1%	1%	2.2%
1.51 or more	0.7%	0.6%	1.2%
Vehicles availability
No vehicles	5.1%	10.4%	8.4%
1 vehicle	28.1%	35.1%	33.1%
2 vehicles	39.3%	35.9%	36.6%
3 or more vehicles	27.5%	18.6%	21.9%
House heating fuel used
Gas	13.9%	56.4%	51.4%
Electricity	17.5%	25.3%	41.3%
Solar	0.2%	0.1%	0.3%
Fuel oil, kerosene etc	43.8%	14%	3.9%
All other fuels	23.9%	3.7%	2%
No fuel used	0.7%	0.5%	1.2%
Selected characteristics
Lacking complete plumbing	0.3%	0.4%	0.4%
Lacking complete kitchen	0.5%	0.8%	0.8%
No telephone service available	1.1%	0.9%	0.9%

Housing Value

What owner-occupied units are worth

Median home value

$197,100

owner-occupied units

Median value(USD)

Sullivan County

$197,100

Pennsylvania

$254,500

United States

$332,700

Housing Cost Burden

21.8%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

21.8%

Owners without a mortgage

13%

Renters

34.8%

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

	Sullivan County	Pennsylvania	United States
Property value
Median Value	$197,100	$254,500	$332,700
Under $100,000	19.3%	13.9%	11.4%
$100,000 - $200,000	31.3%	22.4%	15.8%
$200,000 - $300,000	23.4%	22.9%	17.8%
$300,000 - $500,000	20.4%	25.9%	26.9%
$500,000 - $1,000,000	4.3%	12.8%	20.9%
$1,000,000 and more	1.2%	2.1%	7.1%
Owner-occupied households
With a mortgage	41.3%	58%	60.6%
Without a mortgage	58.7%	42%	39.4%
Median monthly owner costs
With a mortgage	$1,469	$1,762	$1,963
Without a mortgage	$518	$644	$638
Gross rent
Median rent	$775	$1,209	$1,413

Education Profile

How educated is the community and how education pays off

Adults with a college degree

21.5%

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

Sullivan County 21.5%

Pennsylvania 35.2%

United States 35.7%

Adults without a high school diploma

7.4%

of adults (25+) without a high school diploma

Sullivan County 7.4%

Pennsylvania 7.9%

United States 10.4%

School Enrollment

Who is enrolled in school and at what level

School enrollment

767

population (age 3+) enrolled in school

Nursery / Preschool

4.3%

K–12

74.8%

College / Undergraduate

18.6%

Graduate / Professional

2.2%

College-going rate (18-24 yr olds)

14.7%

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

Sullivan County

14.7%

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

	Sullivan County	Pennsylvania	United States
Total enrolled (age 3+)	767	2,913,513	80,089,790
Nursery / preschool	4.3%	5.7%	5.7%
K–12	74.8%	66.9%	67.6%
Kindergarten	3.8%	4.8%	5%
Elementary: Grades 1–4	19%	19.7%	19.8%
Elementary: Grades 5–8	17.5%	20.7%	21%
High School: Grades 9–12	34.6%	21.7%	21.7%
College or graduate school	20.9%	27.4%	26.7%
College, undergraduate	18.6%	21.2%	21%
Graduate, professional school	2.2%	6.2%	5.8%
College-going rate · 18-24 yr olds	14.7%	44%	40.9%
School type
Public school	85.9%	75.3%	82%
Private school	14.1%	24.7%	18%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

4,872

population 25 years and over

Total adults (25+)

Less than 9th grade

1.1%

9th-12th, no diploma

6.3%

HS graduate

47.6%

Some college no degree

12.5%

Associates degree

10.9%

Bachelors degree

13.4%

Graduate or professional degree

8.1%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

70.4% · 29.6%

9th-12th, no diploma

68.9% · 31.1%

HS graduate

53.5% · 46.5%

Some college no degree

48.3% · 51.7%

Associates degree

42.2% · 57.8%

Bachelors degree

49.8% · 50.2%

Graduate or professional degree

39.1% · 60.9%

Educational Attainment Overview

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

Highest credential completed · adults 25+

	Sullivan County	Pennsylvania	United States
Population (25+)	4,872	9,189,697	230,807,303
Less than 9th grade	1.1%	2.9%	4.7%
9th–12th, no diploma	6.3%	5%	5.7%
High school diploma or GED	47.6%	32.9%	26%
Some college, no degree	12.5%	15.1%	19.1%
Associate's degree	10.9%	8.9%	8.8%
Bachelor's degree or higher	21.5%	35.2%	35.7%
Bachelor's degree	13.4%	20.9%	21.6%
Graduate or professional	8.1%	14.3%	14.1%
High School or higher	92.5%	92.1%	89.6%

Earnings by education level

percentage as applicable

Median Earnings

$46,615

Median earnings for adults 25+, by level

Less than HS graduate

$32,500

HS graduate

$45,102

Some college or associates

$49,766

Bachelors degree

$57,837

Graduate or professional degree

$38,750

Poverty Rate

6.7%

for ages 25+, with bachelors degree or higher

Less than HS graduate

12.5%

HS graduate

11.8%

Some college or associates

5.5%

Bachelors degree or higher

6.7%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Sullivan County	Pennsylvania	United States
Median earnings
Population 25+, with earnings	$46,615	$53,549	$52,696
Less than high school graduate	$32,500	$33,591	$32,485
High school graduate (includes equivalency)	$45,102	$40,643	$40,153
Some college or associate's degree	$49,766	$47,736	$47,260
Bachelor's degree	$57,837	$69,335	$70,044
Graduate or professional degree	$38,750	$87,132	$90,720
Poverty rates
Less than high school graduate	12.5%	25.2%	24.2%
High school graduate (includes equivalency)	11.8%	13.3%	14.4%
Some college or associate's degree	5.5%	9.1%	9.8%
Bachelor's degree or higher	6.7%	4.1%	4.5%

Insights for Sullivan 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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