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Where am ILOCATED

Seneca County, New York

Seneca County, New York, has 32,883 residents (July 2025 estimate). Its county seat is Waterloo. It uses Eastern Time and covers 324 sq mi (838 km²) of land.

New YorkBuffaloYonkers
Seneca County in New York
Cayuga CountyOntario CountyYates CountyGenevaSeneca FallsWaterlooInterlakenOvid
Seneca County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
32,883
Land area
324 sq mi (838 km²)
County seat or government
Waterloo
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$68,089 ± $2,709
Median home value
$155,400 ± $6,917
Median rent, with utilities
$957 ± $29
Homes lived in by their owners
71% ± 2.2 points
County type
County
Metro or micro area
Seneca Falls, NY micro areaCentral county
Water area
66.7 sq mi (173 km²)
State
New York
County code (FIPS)
36099
Coordinates (central point)
42.782294, -76.827088
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Seneca County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/New_YorkUTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 1445619,756 people
  2. 1314810,749 people
  3. 131659,458 people
  4. 144896,897 people
  5. 148866,652 people
  6. 144334,404 people
  7. 145324,165 people
  8. 145413,713 people
  9. 145212,594 people
  10. 148472,300 people
  11. 131462,085 people
  12. 148601,197 people
All 15
  1. 14841698 people
  2. 14588240 people
  3. 1306580 people

15 ZIP Code areas overlap Seneca County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

Seneca County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Towns in Seneca County, largest first

  1. Town of Seneca Falls8,982 people
  2. Town of Waterloo7,324 people
  3. Town of Fayette3,607 people
  4. Town of Romulus3,110 people
  5. Town of Ovid2,094 people
  6. Town of Covert2,004 people
  7. Town of Lodi1,825 people
  8. Town of Varick1,724 people
  9. Town of Junius1,196 people
  10. Town of Tyre1,054 people

People counts are American Community Survey 2020–2024 5-year estimates. All towns in New York, by county

School districts in Seneca County, largest first

  1. Geneva City School District16,943 people
  2. Phelps-Clifton Springs Central School District11,127 people
  3. Waterloo Central School District10,885 people
  4. Seneca Falls Central School District10,066 people
  5. Trumansburg Central School District7,275 people
  6. South Seneca Central School District6,445 people
  7. Lyons Central School District6,265 people
  8. Clyde-Savannah Central School District5,266 people
  9. Romulus Central School District4,434 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Tribal areas in Seneca County, largest first

  1. Cayuga Nation Tribal Designated Statistical Area2,999 people

American Indian, Alaska Native and Native Hawaiian areas as the Census Bureau maps them, with at least 2% of their area here, water included. These lines don’t decide membership, jurisdiction or land status.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Geneva, New York (city)12,512 people
  2. Seneca Falls, New York (CDP)6,956 people
  3. Waterloo, New York (village)4,605 people
  4. Interlaken, New York (village)493 people
  5. Ovid, New York (village)402 people
  6. Lodi, New York (village)307 people
  7. Romulus, New York (CDP)265 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Yates County, New York17 mi southwest
  2. Cayuga County, New York20 mi northeast
  3. Ontario County, New York25 mi west
  4. Schuyler County, New York26 mi south
  5. Tompkins County, New York29 mi southeast
  6. Wayne County, New York32 mi north

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.