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zipcodes.pro — CITY/PA/ST-MARYS

St. Marys ZIP code, Pennsylvania

The ZIP code for St. Marys, PA is 15857, and its area codes are 814 and 582.

USPS city name
1 ZIP code
Population
12,529
Area codes
814, 582

Also written Saint Marys, the spelling the Postal Service uses.

St. Marys in numbers

About 12,529 people live in St. Marys, in 5,692 households. The median household income is $67,167 a year, 14% below the Pennsylvania median of $77,971 (US: $80,734). The median owner-occupied home is valued at $149,000 (41% below the Pennsylvania median), and median gross rent is $762 a month. The median age is 51.6; 21.4% of adults 25 and over hold a bachelor's degree or higher (35.2% across Pennsylvania); the average commute takes 14 minutes.

Population12,529St. Marys12,529
Households5,692St. Marys5,692
Median age51.6St. Marys51.6Pennsylvania40.9US 38.9
Median household income$67,167St. Marys$67,167Pennsylvania$77,971US $80,734
Median home value$149,000St. Marys$149,000Pennsylvania$254,500US $332,700
Median gross rent$762St. Marys$762Pennsylvania$1,209US $1,413
Bachelor's degree or higher21.4%St. Marys21.4%Pennsylvania35.2%US 35.7%
Mean commute14.2 minSt. Marys14.2 minPennsylvania26.3 minUS 26.4 min
Population density126 / sq miSt. Marys126 / sq mi

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

ZIP codes addressed as Saint Marys

ZIP codes with the USPS city name Saint Marys
ZIP City Type Population Median income Median home
15857 Saint Marys , PA Standard 12,736 $67,662 $150,100

Map of St. Marys ZIP codes

15857

The ZIP codes of St. Marys, 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 St. Marys

The nearest larger towns are Olean, NY (13,738 people, 44 mi), State College (41,050 people, 57 mi) and Jamestown, NY (28,188 people, 58 mi).

Towns near St. Marys
TownPopulationDistance
Ridgway 3,969 10.8 mi
Kane 3,537 20.7 mi
Treasure Lake 5,336 22.4 mi
DuBois 7,402 26.1 mi

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

Cite this page

zipcodes.pro. “St. Marys, PA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/pa/st-marys

Underlying data is public domain or openly licensed — sources, vintages and licences.