ZIP 37078 falls in Humphreys County, Tennessee, where we hold 4,571 parcels measured as septic county-wide and 3,489 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 37078.
ZCTA 37078 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) |
|---|---|---|---|---|
| Humphreys County, Tennessee | 98% | 7,687 | 4,571 | 3,489 |
| Hickman County, Tennessee | 2% | — | 3 | 0 |
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 4,571 parcels measured as septic for Humphreys County, Tennessee as a whole, not broken out by ZIP.
ZIP 37078 spans 2 counties: Humphreys County, Tennessee, Hickman County, Tennessee.