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Seneca County, NY
6 cities and towns and 8 ZIP codes in Seneca County, New York.
Population
32,920
Land area
324sq mi
People per sq mi
102
ZIP codes
8
Cities and towns in Seneca County
Seneca County at a glance
- Seneca County is 76% less dense than New York as a whole.
- Households here earn a median of $68,089 a year, 21% less than the New York figure of $85,974.
- A typical owner-occupied home is valued at $155,400 (63% below New York) and median rent is $957 a month.
- The biggest population centers are Seneca Falls (6,956), Waterloo (4,605) and Interlaken (493).
Local data for Seneca County, NY
Counts from official public data
Housing and community stats
Seneca County, NY, American Community Survey 2020-2024
Median household income
$68,089
Poverty rate
13.5%
Median home value
$155,400
Prices +7.6% in a year
Median rent
$957/mo
Homeownership
71.0%
Bachelor's or higher
25.2%
Median age
43.0
Average commute
21.3 min
Largest reported origins and ancestries: German Americans (6,136), Irish Americans (5,242), Italian Americans (4,027).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.6%
Sep 2026, +0.1 pts in a year
Average annual pay
$63,466
10,339 jobs, 2025
Income per person
$52,125
BEA, 2024
Federal spending
$229M
FY 2026, $6,762 per person
PPP loans
$38.9M
575 loans, 5,417 jobs reported
Campaign donations
$120K
Itemized, 2026 cycle
How people get to work
Seneca County, NY, workers 16 and older. American Community Survey 5-year estimates
- Drove alone76.0%
- Carpooled9.0%
- Public transit0.2%
- Walked3.4%
- Bicycle0.3%
- Taxi, ride-hailing, motorcycle or other2.6%
- Worked from home8.6%
Average one-way commute: 21.3 minutes for people who do not work from home.
Environment and hazard risk
Seneca County, NY, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
282
Most often thunderstorm wind
Flood insurance policies
123
0.9% of homes, county
July high / Jan low
80° / 17°F
37.0 inches of rain a year
Hazards, floods and storm historyCheck a flood zone22 historic places
Health statistics
Share of adults in Seneca County, NY, CDC PLACES estimates
Obesity
34.7%
U.S. 33.3% +1.4 pts
Diabetes
11.6%
U.S. 12.1% -0.5 pts
Smoking
15.3%
U.S. 12.8% +2.5 pts
Uninsured (18-64)
7.2%
U.S. 11.1% -3.9 pts
Cities, towns and ZIP codes in Seneca County
Population shown
Frequently asked questions
- What is the largest city in Seneca County, NY?
- Seneca Falls is the largest city or town in Seneca County, with about 6,956 residents.
- How many ZIP codes are in Seneca County?
- Seneca County includes 8 ZIP Code Tabulation Areas, including 13065, 13148, 13165, 14521, 14541.
- What is the population of Seneca County, NY?
- About 32,920 people live in Seneca County, based on American Community Survey 5-year estimates.
- What counties border Seneca County?
- Seneca County borders Ontario County, Tompkins County, Wayne County, Cayuga County, Yates County, Schuyler County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023