Lower Allen is a township in Cumberland County, Pennsylvania, home to about 20,577 people across 10 square miles. Its ZIP code is 17011, and parts of 17055 and 17070 are in Lower Allen too.
Homes sold for a median of $178 per square foot in the three months ending August 2026, a seller’s market.
Mostly Lower Allen; also Camp Hill and Hampden
Mostly Upper Allen; part is in Lower Allen
Mostly New Cumberland; part is in Lower Allen
Each card is that ZIP code’s whole market, including any part outside Lower Allen. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Lower Allen’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Baltimore/Washington International Thurgood Marshall Airport (BWI)73 miles away |
|---|---|
| Closer regional airport | Harrisburg International Airport (MDT)11 miles away |
| Nearest city of 250,000+ | Baltimore, MD65 miles away |
| Nearest city of 1 million+ | Philadelphia, PA98 miles away |
Straight-line distances from the center of Lower Allen; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Lower Allen had 20,099 residents in the 2020 census, up 15% since 2000.
It’s the 96th largest of 2,568 towns in Pennsylvania by population.
Cumberland County grew from 50,344 residents in 1900 to 259,469 in 2020.
Cumberland County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 88°F in summer, and winter lows average 25°F. About 41.1 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Harrisburg Cptl Cy Ap, PA weather station (6 miles away).
131,167 jobs at 6,534 businesses in Cumberland County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
959 doctors and other health care providers list an office in Lower Allen.
Nearest hospitals
Providers with an office here
| Primary care doctors | 68 |
|---|---|
| Specialist doctors | 261 |
| Dentists | 77 |
| Nurse practitioners and physician assistants | 216 |
| Mental health providers | 215 |
| Physical and occupational therapists | 97 |
| Optometrists | 12 |
| Chiropractors | 13 |
| Pharmacies | 13 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (18 nearby)
Grocery stores (13 nearby)
Pharmacies (2 nearby)
Libraries (1 nearby)
Museums
Theaters and performance venues (1 nearby)
Counts are within about 2.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by West Shore SD, Camp Hill SD, East Pennsboro Area SD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Highland El SchCamp Hill | K–4 | 375 | Public | 3.6 mi |
| Hoover El SchCamp Hill | K–2 | 254 | Public | 2.6 mi |
| West Creek Hills El SchCamp Hill | K–5 | 587 | Public | 4.7 mi |
| Eisenhower El SchCamp Hill | 3–5 | 260 | Public | 3.3 mi |
| Camp Hill MSCamp Hill | 6–8 | 299 | Public | 2.8 mi |
| Allen MSCamp Hill | 7–8 | 272 | Public | 0.7 mi |
| Camp Hill SHSCamp Hill | 9–12 | 400 | Public | 2.8 mi |
| Cedar Cliff HSCamp Hill | 9–12 | 1,333 | Public | 3.7 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Al-HudaCamp Hill | Pre-K–5 | 123 | Islamic | 1.4 mi |
| Brookside Montessori SchoolCamp Hill | Pre-K–K | 8 | Nonsectarian | 1.5 mi |
| Grace Way Children AcademyCamp Hill | Pre-K–K | 12 | Church of God | 2.0 mi |
| Kindercare Learning CenterCamp Hill | Pre-K | 2 | Nonsectarian | 2.3 mi |
| Oakwood Baptist Day SchoolCamp Hill | Pre-K–K | 7 | Baptist | 1.9 mi |
| The Childrens Garden of St Johns Lutheran ChurchShiremanstown | Pre-K–K | 18 | Evangelical Lutheran Church in America | 1.0 mi |
| River Rock Academy-ShiremanstownShiremanstown | K–12 | 40 | Nonsectarian | 1.1 mi |
| West Shore Christian AcademyShiremanstown | K–12 | 560 | Christian (no specific denomination) | 0.9 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Upper Allen, Mechanicsburg, Camp Hill, New Cumberland, Fairview Township (York County), Hampden, East Pennsboro, Monroe Township (Cumberland County), Shiremanstown, Wormleysburg and Monaghan.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.