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zipcodes.pro — CITY/PA/SENECA

Seneca ZIP code, Pennsylvania

The ZIP code for Seneca, PA is 16346, and its area codes are 814 and 582.

USPS city name
1 ZIP code
Population
1,439
Area codes
814, 582

NANPA lists no telephone rate centre for Seneca itself, so these are the area codes of the nearest one, Oil City (5.8 miles). A town on an area-code boundary can differ from its neighbour.

Seneca in numbers

About 1,439 people live in Seneca, in 717 households. The median household income is $63,031 a year, 19% below the Pennsylvania median of $77,971 (US: $80,734). The median owner-occupied home is valued at $158,800 (38% below the Pennsylvania median), and median gross rent is $690 a month. The median age is 45.8; 21.9% of adults 25 and over hold a bachelor's degree or higher (35.2% across Pennsylvania); the average commute takes 22 minutes.

Population1,439Seneca1,439
Households717Seneca717
Median age45.8Seneca45.8Pennsylvania40.9US 38.9
Median household income$63,031Seneca$63,031Pennsylvania$77,971US $80,734
Median home value$158,800Seneca$158,800Pennsylvania$254,500US $332,700
Median gross rent$690Seneca$690Pennsylvania$1,209US $1,413
Bachelor's degree or higher21.9%Seneca21.9%Pennsylvania35.2%US 35.7%
Mean commute21.8 minSeneca21.8 minPennsylvania26.3 minUS 26.4 min
Population density547 / sq miSeneca547 / sq mi

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

ZIP codes addressed as Seneca

ZIP codes with the USPS city name Seneca
ZIP City Type Population Median income Median home
16346 Seneca , PA Standard 3,201 $59,718 $153,700

Map of Seneca ZIP codes

16346

The ZIP codes of Seneca, 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 Seneca

The nearest larger towns are Woodland Heights (1,585 people, 2.4 mi), Oil City (9,468 people, 3.6 mi) and Franklin (5,984 people, 6.6 mi).

Towns near Seneca
TownPopulationDistance
Oil City 9,468 3.6 mi
Franklin 5,984 6.6 mi
Sugarcreek 4,716 7.7 mi
Titusville 5,189 17.4 mi
Clarion 4,192 20.5 mi
Grove City 7,830 25.1 mi
Slippery Rock University 2,853 27.8 mi
Slippery Rock 3,495 28.1 mi
Meadville 12,577 29.6 mi

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

Cite this page

zipcodes.pro. “Seneca, PA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/pa/seneca

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