ZIP 13437 falls in Oswego County, New York, where we hold 27,374 parcels measured as septic county-wide and 15,744 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 13437.
ZCTA 13437 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) |
|---|---|---|---|---|
| Oswego County, New York | 76% | — | 27,374 | 15,744 |
| Lewis County, New York | 24% | 140 | 10,045 | 2,592 |
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 27,374 parcels measured as septic for Oswego County, New York as a whole, not broken out by ZIP.
ZIP 13437 spans 2 counties: Oswego County, New York, Lewis County, New York.