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Seneca, PA
Census-designated place in Venango County, Pennsylvania. ZIP codes: 16346.
Population
1,439
Land area
2.6sq mi
People per sq mi
547
ZIP codes
1
Seneca and its ZIP codes
Seneca at a glance
- Seneca is 88% denser than Pennsylvania as a whole.
- The median household income is $63,031, 19% below the Pennsylvania median of $77,971.
- A typical owner-occupied home is valued at $158,800 (38% below Pennsylvania) and median rent is $690 a month.
Local data for Seneca, PA
Counts from official public data
Housing and community stats
Seneca, PA, American Community Survey 2020-2024
Median household income
$63,031
Poverty rate
8.1%
Median home value
$158,800
Median rent
$690/mo
Homeownership
67.9%
Bachelor's or higher
21.9%
Median age
45.8
Average commute
21.8 min
Largest reported origins and ancestries: German Americans (401), Italian Americans (121), Irish Americans (103).
Economy and federal money
Jobs, pay, income and spending are for Venango County. PPP loans are for Seneca.
Unemployment rate
4.3%
Aug 2026, -1.0 pts in a year
Average annual pay
$51,335
15,993 jobs, 2025
Income per person
$51,584
BEA, 2024
Federal spending
$392M
FY 2026, $7,770 per person
How people get to work
Seneca, PA, workers 16 and older. American Community Survey 5-year estimates
- Drove alone82.1%
- Carpooled4.2%
- Public transit0.0%
- Walked0.0%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.0%
- Worked from home13.7%
Average one-way commute: 21.8 minutes for people who do not work from home.
Environment and hazard risk
Seneca, PA, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: lightning
Storm events since 1996
728
Countywide, mostly thunderstorm wind
Flood insurance policies
92
0.4% of homes, county
July high / Jan low
83° / 18°F
46.3 inches of rain a year
ZIP codes in Seneca
1 in or overlapping Seneca. Population shown
Cities near Seneca
| Name | Distance | Land area (sq mi) |
|---|---|---|
| Woodland HeightsCensus-designated place | 2.1 mi | 1.6 |
| Oil CityCity | 3.2 mi | 4.5 |
| Hasson HeightsCensus-designated place | 5 mi | 1.5 |
| RousevilleBorough | 6.2 mi | 0.9 |
| FranklinCity | 6.7 mi | 4.7 |
| SugarcreekBorough | 7.2 mi | 37.5 |
| KennerdellCensus-designated place | 9.6 mi | 2.2 |
| PolkBorough | 12 mi | 2 |
| CooperstownBorough | 12 mi | 0.6 |
| HannasvilleCensus-designated place | 13 mi | 1.5 |
| KnoxBorough | 13 mi | 0.6 |
| EmlentonBorough | 14 mi | 0.6 |
| UticaBorough | 14 mi | 1.4 |
| ClintonvilleBorough | 15 mi | 1.1 |
| TionestaBorough | 15 mi | 1.4 |
| ShippenvilleBorough | 15 mi | 0.4 |
Frequently asked questions
- What county is Seneca, PA in?
- Seneca is in Venango County, Pennsylvania.
- What ZIP codes are in Seneca, PA?
- ZIP codes in or overlapping Seneca include 16346.
- What is the population of Seneca, PA?
- About 1,439 people live in Seneca, based on American Community Survey 5-year estimates.
- What cities are near Seneca?
- Nearby places include Woodland Heights (2.1 mi), Oil City (3.2 mi), Hasson Heights (5 mi), Rouseville (6.2 mi), Franklin (6.7 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023