South Middleton is a township in Cumberland County, Pennsylvania, home to about 16,754 people across 49 square miles. Its ZIP codes are 17007, 17015 and 17324, and parts of 17019 and 17065 are in South Middleton too.
Homes sold for a median of $189 per square foot across 3 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly South Middleton; also Monroe Township (Cumberland County)
Mostly South Middleton; also Middlesex Township (Cumberland County) and Dickinson
Mostly South Middleton; also Dickinson and Huntington Township (Adams County)
Mostly Carroll Township (York County); part is in South Middleton
Mostly Mount Holly Springs; part is in South Middleton
Each card is that ZIP code’s whole market, including any part outside South Middleton. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up South Middleton’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)71 miles away |
|---|---|
| Closer regional airport | Harrisburg International Airport (MDT)22 miles away |
| Nearest city of 250,000+ | Baltimore, MD65 miles away |
| Nearest city of 1 million+ | Philadelphia, PA108 miles away |
Straight-line distances from the center of South Middleton; 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.
South Middleton had 16,135 residents in the 2020 census, up 25% since 2000.
It’s the 136th 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 86°F in summer, and winter lows average 21°F. About 48.2 inches of rain and melted snow fall in a typical year, with about 28 inches of snow.
Source: NOAA 1991–2020 climate normals, Carlisle Wtp, PA weather station (7 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).
274 doctors and other health care providers list an office in South Middleton’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 27 |
|---|---|
| Specialist doctors | 68 |
| Dentists | 5 |
| Nurse practitioners and physician assistants | 75 |
| Mental health providers | 35 |
| Physical and occupational therapists | 56 |
| Optometrists | 1 |
| Chiropractors | 7 |
| Pharmacies | 4 |
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 (11 nearby)
Grocery stores (4 nearby)
Pharmacies (2 nearby)
Libraries (1 nearby)
Museums
Theaters and performance venues (2 nearby)
Counts are within about 4.5 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 Cumberland Valley SD, South Middleton SD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Monroe El SchBoiling Springs | K–5 | 512 | Public | 5.8 mi |
| Iron Forge El SchBoiling Springs | 3–5 | 468 | Public | 2.8 mi |
| Yellow Breeches MSBoiling Springs | 6–8 | 508 | Public | 2.6 mi |
| Boiling Springs HSBoiling Springs | 9–12 | 707 | Public | 2.7 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St Patrick SchoolCarlisle | Pre-K–8 | 362 | Roman Catholic | 3.2 mi |
| Blue Ridge Mennonite SchoolCarlisle | K–10 | 50 | Mennonite | 6.3 mi |
| Cherub Montessori CenterBoiling Springs | Ungraded | 10 | Nonsectarian | 2.7 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 Carroll Township (York County), Franklin Township (York County), Middlesex Township (Cumberland County), Dickinson, Silver Spring, West Pennsboro, Dillsburg, Mount Holly Springs, Monaghan, Monroe Township (Cumberland County), Lower Frankford, North Middleton, Warrington Township, Huntington Township (Adams County), Penn Township (Cumberland County), Washington Township (York County), Franklintown, Tyrone Township (Adams County), Menallen Township (Adams County), Latimore and Cooke.
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.