ZIP 83610 falls in Washington County, Idaho, where we hold 2,295 parcels measured as septic county-wide and 2,378 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 83610.
ZCTA 83610 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) |
|---|---|---|---|---|
| Washington County, Idaho | 87% | 2,282 | 2,295 | 2,378 |
| Adams County, Idaho | 13% | 1,593 | 1,953 | 829 |
2 businesses on record with an address in this ZIP: pumping, installation, design, inspection and repair. Not an endorsement, and we take no fee.
| Company | City | Phone | Rating |
|---|---|---|---|
| A3 Underground Construction | Cambridge | (208) 630-3017 | — |
| MC Underground & Septic Service | Cambridge | (208) 315-7743 | — |
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 2,295 parcels measured as septic for Washington County, Idaho as a whole, not broken out by ZIP.
ZIP 83610 spans 2 counties: Washington County, Idaho, Adams County, Idaho.