ZIP 85542 falls in Graham County, Arizona, where we hold 3,496 parcels measured as septic county-wide and 8,438 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 85542.
ZCTA 85542 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 | 86% | — | 3,496 | 8,438 |
| Gila County, Arizona | 14% | — | 6,300 | 16,182 |
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 3,496 parcels measured as septic for Graham County, Arizona as a whole, not broken out by ZIP.
ZIP 85542 spans 2 counties: Graham County, Arizona, Gila County, Arizona.