ZIP 83316 falls in Twin Falls County, Idaho, where we hold 7,856 parcels measured as septic county-wide and 19,650 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 83316.
ZCTA 83316 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) |
|---|---|---|---|---|
| Twin Falls County, Idaho | 85% | 1,585 | 7,856 | 19,650 |
| Owyhee County, Idaho | 14% | 3,815 | 2,716 | 2,047 |
| Gooding County, Idaho | 1% | 2,102 | 2,600 | 3,398 |
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 7,856 parcels measured as septic for Twin Falls County, Idaho as a whole, not broken out by ZIP.
ZIP 83316 spans 3 counties: Twin Falls County, Idaho, Owyhee County, Idaho, Gooding County, Idaho.