ZIP 83616 falls in Ada County, Idaho, where we hold 3,021 parcels measured as septic county-wide and 154,183 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 83616.
ZCTA 83616 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) |
|---|---|---|---|---|
| Ada County, Idaho | 64% | 15,364 | 3,021 | 154,183 |
| Gem County, Idaho | 36% | 6,397 | 3,232 | 3,255 |
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 |
|---|---|---|---|
| Professional Plumbing | Eagle | (208) 514-1637 | 5.0 (2) |
| R&D Sitework and Grading | Eagle | (208) 488-1868 | — |
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 3,021 parcels measured as septic for Ada County, Idaho as a whole, not broken out by ZIP.
ZIP 83616 spans 2 counties: Ada County, Idaho, Gem County, Idaho.