Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — STATE/PA/COUNTY/LYCOMING

Lycoming County, PA ZIP codes

There are 22 ZIP codes in Lycoming County, PA, in 18 towns, from 17701 to 17810. The largest are 17701 (Williamsport), 17754 (Montoursville) and 17740 (Jersey Shore). 1 more crosses into it from a neighbouring county: 17745.

The county seat is Williamsport.

ZIP codes
22
Partly in it
1 more
Towns
18
County seat
Williamsport
County FIPS
42081
Population
113,489
Median household income
$63,917
Land area
1,229 sq mi
Area codes
272, 570
Metro area
Williamsport

Lycoming County ZIP codes by town

Williamsport (county seat)
17701, 17702, 17703, 17705

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

ZIP codes partly in Lycoming County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Lycoming County.

Map of Lycoming County ZIP codes

The ZIP codes of Lycoming County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Lycoming County in numbers

About 113,489 people live in Lycoming County, in 46,861 households, the 29th most populous of Pennsylvania's 67 counties. The median household income is $63,917 a year, 18% below the Pennsylvania median of $77,971 (US: $80,734). The median owner-occupied home is valued at $202,200 (21% below the Pennsylvania median), and median gross rent is $913 a month. The median age is 41.4; 24.8% of adults 25 and over hold a bachelor's degree or higher (35.2% across Pennsylvania); the average commute takes 21 minutes.

Population113,489Lycoming113,489
Households46,861Lycoming46,861
Median age41.4Lycoming41.4Pennsylvania40.9US 38.9
Median household income$63,917Lycoming$63,917Pennsylvania$77,971US $80,734
Median home value$202,200Lycoming$202,200Pennsylvania$254,500US $332,700
Median gross rent$913Lycoming$913Pennsylvania$1,209US $1,413
Bachelor's degree or higher24.8%Lycoming24.8%Pennsylvania35.2%US 35.7%
Mean commute21.1 minLycoming21.1 minPennsylvania26.3 minUS 26.4 min
Population density92 / sq miLycoming92 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Lycoming County

Largest towns in Lycoming County
TownZIP codesPopulation
Williamsport 4 27,612
Montoursville 1 4,706
Cogan Station 1 4,675
Jersey Shore 2 4,121
Trout Run 1 2,929
Linden 1 2,808
Muncy 1 2,720
Hughesville 1 2,274
Montgomery 1 1,564
Unityville 1 962
Picture Rocks 1 716
Antes Fort 1 250
Allenwood 1 246
Ralston 1 241
Waterville 1 145

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Lycoming County.

Not sure you are in Lycoming County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Lycoming County, with figures

ZIP codes in Lycoming County
ZIP City Type Population Median income Median home
17701 Williamsport , PA Standard 43,104 $53,237 $183,900
17702 Williamsport , PA Standard 10,488 $70,210 $196,900
17703 Williamsport , PA No street area — — —
17705 Williamsport , PA No street area — — —
17720 Antes Fort , PA Standard 250 $70,300 $176,800
17723 Jersey Shore , PA Standard 34 $77,500 $183,300
17728 Cogan Station , PA Standard 4,675 $77,165 $235,500
17737 Hughesville , PA Standard 5,970 $70,131 $203,800
17739 Jersey Mills , PA Standard 27 $55,417 $275,000
17740 Jersey Shore , PA Standard 12,017 $70,236 $179,600
17742 Lairdsville , PA Standard 21 $71,250 $160,000
17744 Linden , PA Standard 2,808 $72,500 $196,100
17752 Montgomery , PA Standard 4,975 $71,118 $186,700
17754 Montoursville , PA Standard 12,061 $72,633 $249,300
17756 Muncy , PA Standard 12,856 $77,043 $222,700
17762 Picture Rocks , PA Standard 557 $95,625 $184,700
17763 Ralston , PA Standard 241 $57,083 $114,100
17769 Slate Run , PA Standard 31 $130,000 —
17771 Trout Run , PA Standard 2,929 $71,016 $198,000
17774 Unityville , PA Standard 962 $70,556 $236,100
17776 Waterville , PA Standard 145 $67,500 $164,600
17810 Allenwood , PA Standard 5,309 $77,232 $222,100

Cite this page

zipcodes.pro. “Lycoming County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/pa/county/lycoming

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