US ZIP Code
17261

South Mountain, PA

Franklin County  ·  Pennsylvania

● Active
👥 26 Population ↓ 91% since 2019
🎂 18.1 Median Age ↓ 68% since 2019
ZIP Code Details
ZIP Code17261
CitySouth Mountain
StatePennsylvania (PA)
CountyFranklin County
Area Code223/717
Elevation1,594 ft
Latitude39.859807
Longitude-77.511706
TimezoneNew York (DST)
FIPS42055
ZIP TypePO Box
StatusActive
People & Population (ACS 2023)
♂ Male 53.9% (14) Female 46.2% (12) ♀

Race & Ethnicity

White: 15.4%Hispanic: 23.1%Black: 53.9%Other: 7.7%Race
White15.4%
Hispanic23.1%
Black53.9%
Other7.7%

Age Breakdown

5–17
46%
18–24
54%

Key Indicators

Median Age18.1 yrs ↓ 68% since 2019
Avg Household Size-99.99
Below Poverty0.0% ▼ 100% below avg
Housing & Income

Financials

Avg HH Size-99.99
Frequently Asked Questions
ZIP code 17261 is in South Mountain, PA, in Franklin County.
ZIP code 17261 is located in Pennsylvania (PA).
ZIP code 17261 is in Franklin County, PA.
ZIP 17261 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 17261 is 26 people (ACS 2023).
Income data not available.
Home value data not available.
About ZIP Code 17261

ZIP code 17261 is located in South Mountain, Pennsylvania, within Franklin County. With a population of 26, this is a sparsely populated ZIP code with a young community — the median age is 18.1 years.

The population of 17261 is majority Black (53.85%).

Overall, ZIP code 17261 in South Mountain, PA is characterized as a young community.