ZIP 83211 falls in Power County, Idaho, where we hold 1,308 parcels measured as septic county-wide and 1,784 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 83211.
ZCTA 83211 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) |
|---|---|---|---|---|
| Power County, Idaho | 65% | — | 1,308 | 1,784 |
| Cassia County, Idaho | 35% | 4,962 | 4,973 | 3,523 |
| Bingham County, Idaho | 0% | — | 6,640 | 7,975 |
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 1,308 parcels measured as septic for Power County, Idaho as a whole, not broken out by ZIP.
ZIP 83211 spans 3 counties: Power County, Idaho, Cassia County, Idaho, Bingham County, Idaho.