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County ProfileNY

Seneca County

Population: 33,814 · 8 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
33,814
People
Median age
43
Housing
Total households
13,606
Income
Median household income
$68,089
Housing
Total housing units
16,194
Employment
Employment rate
53.7%
Education
Bachelor’s degree or higher
25.2%
Healthcare
Insured population
91%
County details
Local time 02:10:02(ET)
NameSeneca
Total ZIP codes8total
ZIP codes (by type)
6 Standard2 PO Box
Area code315, 607, 680
TimezoneEastern Time (ET)
Coordinates42.7822943, -76.827088
Land area323.7 sq miles(838.4 km²)

Map of Seneca county, New York with ZIP codes

Map of Seneca County, New York and ZIP codes

Cities and Communities in Seneca County

Compare the largest cities in Seneca County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Seneca Falls6,809$59,8641ZIPs
Waterloo4,810$51,6421ZIPs
Interlaken595$59,0281ZIPs
Ovid534$79,5831ZIPs
Romulus356$45,4171ZIPs
Lodi254$54,1251ZIPs
Fayette641ZIPs
Willard81ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Seneca County

Review the most populated postal areas across Seneca County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
13148Seneca Falls$65,31310,541
13165Waterloo$59,98110,354
14521Ovid$67,1983,473
14541Romulus$77,3753,298
14847Interlaken$73,5942,443
14860Lodi$78,1701,000
13065Fayette64
14588Willard8

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS