ZIP 13863 falls in Cortland County, New York, where we hold 8,441 parcels measured as septic county-wide and 7,813 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 13863.
ZCTA 13863 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) |
|---|---|---|---|---|
| Cortland County, New York | 99% | 2 | 8,441 | 7,813 |
| Broome County, New York | 1% | 7 | 21,709 | 44,832 |
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 8,441 parcels measured as septic for Cortland County, New York as a whole, not broken out by ZIP.
ZIP 13863 spans 2 counties: Cortland County, New York, Broome County, New York.