We have 112 parcels measured as septic in ZIP 85643 itself (Graham County, Arizona), out of 197 parcels in our records for this ZIP, of which 1 are recorded as on sewer.
ZCTA 85643 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) |
|---|---|---|---|---|
| Graham County, Arizona | 51% | — | 3,496 | 8,438 |
| Cochise County, Arizona | 49% | 28 | 9,130 | 35,082 |
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 have measured 112 parcels as septic in ZIP 85643 itself, out of 197 parcels in our records for this ZIP.
ZIP 85643 spans 2 counties: Graham County, Arizona, Cochise County, Arizona.