ZIP Codes of Sullivan County, PA

Population & People
Population & People
Total Population
5,500
Household Income
Household Income
Median Income
$73,337
Housing
Housing
Total Housing Units
5,372
Business & Economy
Business & Economy
Total Businesses
152
Employment
Employment
Employment Rate
46.56%
Education
Education
Bachelor's Degree+
21.24%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 9 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:9 ZIP Codes (7 Standard, 2 PO Box, 0 Unique) [See All]
Area Codes:272 / 570
Timezone:Eastern (GMT -05:00)
Local Time:2:13:33 PM
Population:5,500 [See All]
FIPS:42113
Land Area:441 sq mi
Water Area:3 sq mi
Coordinates:41.4542, -76.5458
Quick Link:
https://www.zip-codes.com/county/pa-sullivan.asp
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Pennsylvania's oldest county
Median age 55.7.

Standout ZIPs in this County


Most Populous
Dushore · 1,986 people
36.1% of county total
Highest Income
Eagles Mere · $98,750 median
1.3× county average
Largest Land Area
Dushore · 169.6 sq mi
Spans the most ground
Fastest Growth
Dushore · -25.8% (10-yr)
2,678 → 1,986 residents
Most Educated
Dushore · 20.6% bachelor's+
341 of 1,655 adults 25+

Things worth knowing about Sullivan County


5,500 residents live across 9 ZIPs covering 441 sq mi, served by 9 distinct USPS-recognized cities.

Population moved from 6,102 to 5,500 from 2014 to 2024 — a -9.9% change. 5 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 17731 (Eagles Mere, $98,750 median) and poorest ZIP 17768 (Shunk, $54,583) are 12.7 miles apart — a 1.8× income gap across local geography.

Median home values vary 2.7× across this county — from $118,000 in 18628 (Lopez) to $313,900 in 17731 (Eagles Mere).

Density varies 1955× across the county — from 7 people/sq mi in 18619 (Hillsgrove) to 12,966 in 17731 (Eagles Mere).

Educational attainment ranges from 0.9% bachelor's+ in 18632 (Mildred) to 49.7% in 17731 (Eagles Mere) — the breadth of educational profiles across the area.

Within Pennsylvania, this is the #66 most populous of 67 counties and ranks #26 for median household income .

Weighted by population, the typical household earns about $69,268 across the county — reflecting what a typical resident sees, not a simple ZIP average.

21.2% of adults age 25+ hold a bachelor's degree or higher (980 of 4,614 reporting).

7 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Sullivan County


Population decline

Sullivan County lost 9.9% of residents between 2014 and 2024. ZIPs that shed the largest share:

Dushore
-25.8%
2,678 → 1,986 residents
Laporte
-25.7%
680 → 505 residents

All ZIP Codes in Sullivan County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
18614DushoreStandard1,986$68,864169.6-25.8%
17758Muncy ValleyStandard943$59,167110.07.2%
18616ForksvilleStandard734$62,85769.938.8%
18626LaportePO Box505$75,2500.2-25.7%
18632MildredStandard430$92,6445.83.1%
17768ShunkStandard367$54,58336.037.5%
17731Eagles MerePO Box188$98,7500.06.8%
18628LopezStandard185$81,66725.2-32.0%
18619HillsgroveStandard162$66,25024.4-20.2%

Adjacent & Nearby Counties