ZIP 38040 falls in Lauderdale County, Tennessee, where we hold 5,016 parcels measured as septic county-wide and 3,867 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 38040.
ZCTA 38040 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) |
|---|---|---|---|---|
| Lauderdale County, Tennessee | 71% | 5,327 | 5,016 | 3,867 |
| Crockett County, Tennessee | 20% | 8,219 | 3,932 | 2,195 |
| Dyer County, Tennessee | 9% | 1,089 | 6,675 | 7,691 |
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 5,016 parcels measured as septic for Lauderdale County, Tennessee as a whole, not broken out by ZIP.
ZIP 38040 spans 3 counties: Lauderdale County, Tennessee, Crockett County, Tennessee, Dyer County, Tennessee.