ZIP 13491 falls in Otsego County, New York, where we hold 19,280 parcels measured as septic county-wide and 4,734 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 13491.
ZCTA 13491 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) |
|---|---|---|---|---|
| Otsego County, New York | 52% | — | 19,280 | 4,734 |
| Herkimer County, New York | 38% | — | — | — |
| Madison County, New York | 10% | 6 | — | — |
| Oneida County, New York | 0% | 2 | 26,036 | 51,842 |
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 19,280 parcels measured as septic for Otsego County, New York as a whole, not broken out by ZIP.
ZIP 13491 spans 4 counties: Otsego County, New York, Herkimer County, New York, Madison County, New York, Oneida County, New York.