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

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — METRO/30820-LOCK-HAVEN

Lock Haven, PA

ZIP codes
14
CBSA code
30820
Type
Micropolitan statistical area
States
PA
Population
37,798
Combined area
Williamsport-Lock Haven, PA

Metro areas are defined by the Office of Management and Budget as whole counties, so every ZIP code in a member county is listed here.

Lock Haven in numbers

About 37,798 people live in the Lock Haven micropolitan area. The median household income is $60,816 a year (US: $80,734). The median owner-occupied home is valued at $175,900, and median gross rent is $820 a month.

Population37,798Lock Haven37,798
Median household income$60,816Lock Haven$60,816US $80,734
Median home value$175,900Lock Haven$175,900US $332,700
Median gross rent$820Lock Haven$820US $1,413

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.

Its county

Counties in Lock Haven, PA
CountyZIP codesPopulationMedian income
Clinton County, PA 14 37,798 $60,816

ZIP codes in Lock Haven

ZIP codes in Lock Haven, PA
ZIP City Type Population Median income Median home
16822 Beech Creek , PA Standard 1,784 $71,635 $200,000
16848 Lamar , PA Standard 215 $62,321 $154,600
16871 Pottersdale , PA Standard 47 $51,250 $164,600
17721 Avis , PA Standard 1,419 $59,073 $140,800
17726 Castanea , PA No street area — — —
17745 Lock Haven , PA Standard 17,718 $58,555 $177,100
17747 Loganton , PA Standard 3,421 $71,731 $208,000
17748 Mc Elhattan , PA Standard 184 $70,417 $93,500
17750 Mackeyville , PA Standard 177 $147,723 $147,900
17751 Mill Hall , PA Standard 7,431 $75,072 $215,100
17760 North Bend , PA Standard 572 $66,528 $130,900
17764 Renovo , PA Standard 2,361 $41,173 $83,800
17778 Westport , PA Standard 74 $56,250 $156,900
17779 Woolrich , PA Standard 179 $54,311 $164,300

Cite this page

zipcodes.pro. “Lock Haven, PA.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/metro/30820-lock-haven

Underlying data is public domain or openly licensed — sources, vintages and licences.