Sullivan County, Pennsylvania ZIP codes

9 ZIP codes are in Sullivan County, plus 4 that cross in from neighboring counties.

ZIP codes: 9
Population in these ZIPs: 5,500
Avg. median income: $69,300population-weighted
Cities & towns: 9

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ZIP codes in Sullivan County

ZIP codes in Sullivan County
ZIP code	City	Population	Median income	Typical home value
17731	Eagles Mere	188	$98,750	$526,500
17758	Muncy Valley	943	$59,167	$225,200
17768	Shunk	367	$54,583	$193,100
18614	Dushore	1,986	$68,864	$211,700
18616	Forksville	734	$62,857	$195,400
18619	Hillsgrove	162	$66,250	$159,400
18626	Laporte	505	$75,250	$270,700
18628	Lopez	185	$81,667	$101,300
18632	Mildred	430	$92,644	$98,300

ZIP codes partly in Sullivan County

These ZIP codes are mostly in a neighboring county but cover part of Sullivan County.

ZIP codes partly in Sullivan County
ZIP code	City	County	Population	Median income	Typical home value
17701	Williamsport	Lycoming County	43,104	$53,237	$201,200
17737	Hughesville	Lycoming County	5,970	$70,131	$257,400
17814	Benton	Columbia County	4,669	$65,089	$245,500
18833	New Albany	Bradford County	2,089	$71,691	$207,400

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities and towns in Sullivan County

Nearby counties

Frequently asked questions

How many ZIP codes are in Sullivan County, Pennsylvania?

9 ZIP codes are mainly in Sullivan County, and 4 more ZIP codes from neighboring areas reach partly into it.

What cities are in Sullivan County?

ZIP codes in Sullivan County use the city names Dushore, Eagles Mere, Forksville, Hillsgrove, Laporte, Lopez, Mildred, Muncy Valley and Shunk.