Seneca, Pennsylvania Demographics & Population 2026
During the 2020–2024 ACS period, Seneca, Pennsylvania had a total population of 1,439, the 810th largest community in Pennsylvania, with a median household income of $63,031, which is 19% lower than the state average. The poverty rate is 8.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Near full employment with an unemployment rate of just 2.4%.
Seneca Quick Facts
How Seneca Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 1,455 | 1,439 | -1.1% |
| Median household income | $73,478 | $63,031 | -14.2% |
| Median home value | $134,900 | $158,800 | +17.7% |
How Seneca Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 45 | National average: 61
Education
Educational Attainment (Adults 25+)
Seneca Rankings in Pennsylvania
Explore Pennsylvania Rankings
Other Cities in Venango County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Oil City | 9,468 | $51,316 | 16.6% | $74,100 |
| Franklin | 5,984 | $47,117 | 17.3% | $116,900 |
| Sugarcreek | 4,716 | $63,987 | 9.9% | $108,200 |
| Woodland Heights | 1,585 | $40,200 | 26.2% | $81,400 |
| Hasson Heights | 1,351 | $74,489 | 21.2% | $114,800 |
| Pleasantville (Venango County) | 759 | $50,972 | 11.5% | $107,900 |
| Emlenton | 663 | $60,913 | 11.2% | $103,900 |
| Polk | 615 | $36,786 | 35.4% | $101,400 |
| Clintonville | 511 | $47,083 | 10.2% | $99,900 |
| Rouseville | 460 | $58,382 | 24.1% | $62,500 |
Cities Similar to Seneca
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Loretto | 1,420 | $63,929 | $204,300 | 51.3% | 36.4% |
| Blawnox | 1,439 | $60,333 | $173,000 | 50.9% | 16.7% |
| Big Bass Lake | 1,428 | $60,795 | $204,300 | 15.7% | 9.4% |
| Nescopeck | 1,486 | $62,833 | $168,200 | 23.7% | 9.1% |
| Smethport | 1,462 | $60,455 | $116,100 | 27.6% | 19.2% |
Population Overview
Seneca is a small community located in Pennsylvania, within Venango County. The total population is 1,439. It ranks as the 810th most populous out of 1,991 Census-designated places in Pennsylvania.
Age Demographics
The median age in Seneca is 45.8 years. This is 12% higher than the state median of 40.9 years. 11.6% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Seneca is $63,031. This is 19% lower than the state median of $77,971. It is also 22% lower than the national median of $80,734. The poverty rate stands at 8.1%. This is 31% lower than the state poverty rate of 11.7%. The unemployment rate is 2.4%. This is 54% lower than the state rate of 5.3%. The median home value is $158,800. Housing costs are 38% lower than the state median of $254,500. With a home-value-to-income ratio of just 2.5x, Seneca is one of the most affordable housing markets in the area. 67.9% of occupied housing units are owner-occupied. This homeownership rate is 2% lower than the state average of 69.3%.
Race & Ethnicity
Seneca has a predominantly White (non-Hispanic) population, comprising 90.2% of all residents. Asian residents account for 1.0%. The Black or African American population (0.8%) is well below the state average of 10.3%. The Asian population (1.0%) is well below the state average of 3.8%.
Education
21.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 38% lower than the state rate of 35.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 98.9%.
Data Sources & Methodology
All demographic data for Seneca, Pennsylvania is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Pennsylvania state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,991 Census-designated places in Pennsylvania. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Seneca, Pennsylvania?
Seneca, Pennsylvania has a population of 1,439 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Seneca, PA?
The median household income in Seneca is $63,031, which is 22% lower than the national median of $80,734.
What is the poverty rate in Seneca, PA?
The poverty rate in Seneca is 8.1%. This means approximately 117 residents live below the federal poverty line.
What is the racial makeup of Seneca, Pennsylvania?
Seneca's population is 90.2% White, 0.8% Black, 0.0% Hispanic/Latino, and 1.0% Asian.
What is the median home value in Seneca, PA?
The median home value in Seneca is $158,800. The home-value-to-income ratio is 2.5x.
How educated is Seneca, Pennsylvania?
21.9% of adults (25+) in Seneca hold a bachelor's degree or higher, and 6.2% hold a graduate or professional degree.