ZIP 13156 falls in Cayuga County, New York, where we hold 15,227 parcels measured as septic county-wide and 13,460 on sewer. We do not have a per-ZIP parcel count for this county, so this is the county total, not a count specific to ZIP 13156.
ZCTA 13156 is not entirely inside one county. Land-area share is from the 2020 Census ZCTA-to-county relationship file.
| County | Land in this ZIP | Documents held | On septic (county) | On sewer (county) |
|---|---|---|---|---|
| Cayuga County, New York | 99% | — | 15,227 | 13,460 |
| Wayne County, New York | 1% | — | 17,187 | 15,851 |
| Oswego County, New York | 0% | — | 27,374 | 15,744 |
Land-area overlap is from the 2020 Census Bureau ZCTA5-to-county relationship file, not an estimate of ours. Parcel and document counts are rows we hold, not a survey of every property in the ZIP. Last verified 2026-09-01.
We hold 15,227 parcels measured as septic for Cayuga County, New York as a whole, not broken out by ZIP.
ZIP 13156 spans 3 counties: Cayuga County, New York, Wayne County, New York, Oswego County, New York.