ZIP 38220 falls in Carroll County, Tennessee, where we hold 7,041 parcels measured as septic county-wide and 4,823 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 38220.
ZCTA 38220 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) |
|---|---|---|---|---|
| Carroll County, Tennessee | 72% | 4,252 | 7,041 | 4,823 |
| Gibson County, Tennessee | 28% | — | 9,999 | 10,547 |
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 7,041 parcels measured as septic for Carroll County, Tennessee as a whole, not broken out by ZIP.
ZIP 38220 spans 2 counties: Carroll County, Tennessee, Gibson County, Tennessee.