ZIP Code 18981 in Zionhill, PA

Data Last Updated: February 1, 2026
City:Zionhill, Pennsylvania
County:Bucks County
Timezone:Eastern (GMT -05:00)
Local Time:1:43:35 AM
Population:No Population Data
Area Codes:215 / 267 / 445
Classification:PO Box
Coordinates:40.4843, -75.3942
Quick Link:
https://www.zip-codes.com/zip-code/18981/zip-code-18981.asp

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18981 - Zionhill, PA

ZIP Code 18981, Zionhill

Small Town Unique ZIP No Census Data
LocationBucks County, PA
Area0 sq mi Single Point
Delivery Points33 (1 homes, 6 businesses)
PO Boxes26
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 18951
Key Facts
  • All 26 households in the ZIP code use PO Boxes as their only mail delivery option.
  • The post office serves a single-street community along Old Bethlehem Pike, a historic route between Philadelphia and the Lehigh Valley.
  • This is classified as a PO Box-only zone, meaning street carrier delivery isn't available in this area.
  • Only 3 business establishments operate in this ZIP code, with minimal commercial employment.
  • The Coopersburg Historic District sits just 1.3 miles away, providing nearby shopping and services.
  • This represents one of Bucks County's smallest postal communities, with limited geographic coverage.

Postal Services

This arrangement is typical for Pennsylvania's smallest hamlets. Residents collect mail at the post office rather than receiving delivery at their homes. With just one street route on record and minimal commercial activity (3 business establishments), Zionhill maintains the quiet character of rural Bucks County. Nearby Coopersburg, about a mile away, provides additional services and shopping options for residents.

Street Name Patterns

Historic Route

The single street name references the historic Old Bethlehem Pike, which connected early Pennsylvania settlements between Philadelphia and the Lehigh Valley. This routing reflects the area's position along colonial-era transportation corridors.

Nearby Areas

Coopersburg Historic District Center Valley Historic District Ehrhart's Mill Complex Historic District Southside Mountainville

Business & Employment Statistics


ZIP Code 18981 supports both business and residential activity. According to the Business Census (2024), there are 3 business establishments, employing about 3 people with an annual payroll of $76,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:31Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:3Source: CBP
1st Quarter Payroll:$22,000Source: CBP
Annual Payroll:$76,000Source: CBP
# of Employees:3Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 18981 is located in Bucks County, Pennsylvania, within the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Metropolitan Statistical Area (CBSA 37980) and Pennsylvania's 1st Congressional District. This Metro area has a population of 6,241,882 people, about 0.00% of whom live in ZIP Code 18981, and is subdivided into the Montgomery County-Bucks County-Chester County, PA division. It covers 0 sq mi of land and a water area of 0 sq mi.

CBSA Name:Philadelphia-Camden-Wilmington, PA-NJ-DE-MDSource: Census
CBSA Number:37980Source: Census
CBSA Type:MetroSource: Census
CBSA Division:Montgomery County-Bucks County-Chester County, PA (CBSA Div 33874)Source: Census
CBSA Population:6,241,882Source: Census
MSA:Philadelphia-Wilmington-Atlantic City, PA-NJ-DE-MD CMSASource: Census
Land Area:--Source: Census
Water Area:--Source: Census
Congressional District:01Source: USPS
Congressional Land Area:77.91 sq miSource: Census
PMSA:Philadelphia, PA-NJ PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:--Source: Census
Place Name:--Source: Census

Adjacent & Nearby ZIP Codes


18991 | | 18980

Schools in ZIP Code 18981


We could not locate which school district 18981 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Pfaff El Sch 1600 Sleepy Hollow Road
Quakertown, PA 18951
District: Quakertown Community School DistrictNearby
Quakertown El Sch 123 S 7th St
Quakertown, PA 18951
District: Quakertown Community School DistrictNearby
Quakertown Community Hs 600 Park Ave
Quakertown, PA 18951
District: Quakertown Community School DistrictNearby
6th Grade Center 349 S 9th St
Quakertown, PA 18951
District: Quakertown Community School DistrictNearby
Neidig El Sch 201 Penrose St
Quakertown, PA 18951
District: Quakertown Community School DistrictNearby
Lifespan School & Daycare 2460 John Fries Hwy
Quakertown, PA 18951
District: Private SchoolNearby
St Michael The Archangel School 5040 Saint Josephs Rd
Coopersburg, PA 18036
District: Private SchoolNearby
United Friends School 1018 W Broad St
Quakertown, PA 18951
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 18981


Desales University 2755 Station Avenue
Center Valley, PA 18034-9568
Type: Post Secondary
Pennsylvania State University-Penn State Lehigh Valley 2809 Saucon Valley Road
Center Valley, PA 18034-8447
Type: Post Secondary
St Lukes Hospital School Of Nursing 801 Ostrum Street
Bethlehem, PA 18015
Type: Post Secondary
Lehigh University 27 Memorial Drive West
Bethlehem, PA 18015
Type: Post Secondary
Strayer University-Allentown Campus 520 Hamilton Street, 100
Allentown, PA 18101
Type: Post Secondary
International Institute For Restorative Practices 531 Main Street
Bethlehem, PA 18018
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.

  1. U.S. Postal Service [Last Updated: 2/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 2/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 2/1/2026], https://nces.ed.gov