ZIP 37854 falls in Roane County, Tennessee, where we hold 11,677 parcels measured as septic county-wide and 10,297 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 37854.
ZCTA 37854 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) |
|---|---|---|---|---|
| Roane County, Tennessee | 44% | 18,206 | 11,677 | 10,297 |
| Cumberland County, Tennessee | 42% | 2,299 | 18,050 | 6,671 |
| Morgan County, Tennessee | 13% | — | 6,353 | 1,500 |
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 11,677 parcels measured as septic for Roane County, Tennessee as a whole, not broken out by ZIP.
ZIP 37854 spans 3 counties: Roane County, Tennessee, Cumberland County, Tennessee, Morgan County, Tennessee.