ZIP 87943 falls in Sierra County, New Mexico, where we hold 2,470 parcels measured as septic county-wide and 4,125 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 87943.
ZCTA 87943 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) |
|---|---|---|---|---|
| Sierra County, New Mexico | 45% | — | 2,470 | 4,125 |
| Socorro County, New Mexico | 37% | — | 1,593 | 2,173 |
| Catron County, New Mexico | 18% | — | 13 | 3 |
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 2,470 parcels measured as septic for Sierra County, New Mexico as a whole, not broken out by ZIP.
ZIP 87943 spans 3 counties: Sierra County, New Mexico, Socorro County, New Mexico, Catron County, New Mexico.