ZIP 87936 falls in Doña Ana County, New Mexico, where we hold 11,890 parcels measured as septic county-wide and 48,881 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 87936.
ZCTA 87936 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) |
|---|---|---|---|---|
| Doña Ana County, New Mexico | 87% | — | 11,890 | 48,881 |
| Sierra County, New Mexico | 13% | — | 2,470 | 4,125 |
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 11,890 parcels measured as septic for Doña Ana County, New Mexico as a whole, not broken out by ZIP.
ZIP 87936 spans 2 counties: Doña Ana County, New Mexico, Sierra County, New Mexico.