ZIP 83537 falls in Latah County, Idaho, where we hold 4,971 parcels measured as septic county-wide and 6,520 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 83537.
ZCTA 83537 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) |
|---|---|---|---|---|
| Latah County, Idaho | 53% | — | 4,971 | 6,520 |
| Nez Perce County, Idaho | 29% | — | 2,582 | 12,474 |
| Clearwater County, Idaho | 18% | 13 | 1,973 | 2,598 |
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 4,971 parcels measured as septic for Latah County, Idaho as a whole, not broken out by ZIP.
ZIP 83537 spans 3 counties: Latah County, Idaho, Nez Perce County, Idaho, Clearwater County, Idaho.