ZIP 37772 falls in Loudon County, Tennessee, where we hold 11,771 parcels measured as septic county-wide and 10,971 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 37772.
ZCTA 37772 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) |
|---|---|---|---|---|
| Loudon County, Tennessee | 100% | — | 11,771 | 10,971 |
| Knox County, Tennessee | 0% | 100 | 1,532 | 91,171 |
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 11,771 parcels measured as septic for Loudon County, Tennessee as a whole, not broken out by ZIP.
ZIP 37772 spans 2 counties: Loudon County, Tennessee, Knox County, Tennessee.