ZIP 38476 falls in Williamson County, Tennessee, where we hold 19,931 parcels measured as septic county-wide and 55,675 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 38476.
ZCTA 38476 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) |
|---|---|---|---|---|
| Williamson County, Tennessee | 42% | — | 19,931 | 55,675 |
| Hickman County, Tennessee | 40% | — | 3 | 0 |
| Maury County, Tennessee | 17% | — | 15,459 | 19,167 |
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 19,931 parcels measured as septic for Williamson County, Tennessee as a whole, not broken out by ZIP.
ZIP 38476 spans 3 counties: Williamson County, Tennessee, Hickman County, Tennessee, Maury County, Tennessee.