ZIP 83654 falls in Adams County, Idaho, where we hold 1,953 parcels measured as septic county-wide and 829 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 83654.
ZCTA 83654 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) |
|---|---|---|---|---|
| Adams County, Idaho | 79% | 1,593 | 1,953 | 829 |
| Idaho County, Idaho | 21% | — | 5,790 | 3,263 |
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 1,953 parcels measured as septic for Adams County, Idaho as a whole, not broken out by ZIP.
ZIP 83654 spans 2 counties: Adams County, Idaho, Idaho County, Idaho.