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 — CITY/PA/RICHLANDTOWN

Richlandtown ZIP code, Pennsylvania

The ZIP code for Richlandtown, PA is 18955.

USPS city name
1 ZIP code
Population
1,209

Richlandtown in numbers

About 1,209 people live in Richlandtown, in 404 households. The median household income is $74,439 a year, 5% below the Pennsylvania median of $77,971 (US: $80,734). The median owner-occupied home is valued at $314,600 (24% above the Pennsylvania median), and median gross rent is $1,583 a month. The median age is 38.4; 31.9% of adults 25 and over hold a bachelor's degree or higher (35.2% across Pennsylvania); the average commute takes 26 minutes.

Population1,209Richlandtown1,209
Households404Richlandtown404
Median age38.4Richlandtown38.4Pennsylvania40.9US 38.9
Median household income$74,439Richlandtown$74,439Pennsylvania$77,971US $80,734
Median home value$314,600Richlandtown$314,600Pennsylvania$254,500US $332,700
Median gross rent$1,583Richlandtown$1,583Pennsylvania$1,209US $1,413
Bachelor's degree or higher31.9%Richlandtown31.9%Pennsylvania35.2%US 35.7%
Mean commute26.4 minRichlandtown26.4 minPennsylvania26.3 minUS 26.4 min
Population density4,650 / sq miRichlandtown4,650 / sq mi

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

ZIP codes addressed as Richlandtown

ZIP codes with the USPS city name Richlandtown
ZIP City Type Population Median income Median home
18955 Richlandtown , PA Standard 1,511 $78,750 $339,600

Map of Richlandtown ZIP codes

18955

The ZIP codes of Richlandtown, PA, 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.

Towns near Richlandtown

The nearest larger towns are Quakertown (9,319 people, 2.6 mi), Coopersburg (2,495 people, 4.5 mi) and Milford Square (1,312 people, 5.2 mi).

Towns near Richlandtown
TownPopulationDistance
Quakertown 9,319 2.6 mi
Perkasie 9,216 7.1 mi
Hellertown 6,118 7.6 mi
Sellersville 4,542 7.8 mi
Fountain Hill 4,834 9.8 mi
Telford 4,829 10.2 mi
Emmaus 11,889 10.2 mi
Pennsburg 3,994 10.7 mi
East Greenville 3,169 10.8 mi
Freemansburg 2,894 10.8 mi
Red Hill 2,513 10.8 mi
Bethlehem 77,956 10.9 mi
Souderton 7,181 11.2 mi
Plumsteadville 2,592 11.3 mi

More nearby: every ZIP code in Bucks County · Pennsylvania ZIP codes

Cite this page

zipcodes.pro. “Richlandtown, PA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/pa/richlandtown

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