ZIP 37830 falls in Anderson County, Tennessee, where we hold 12,147 parcels measured as septic county-wide and 16,226 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 37830.
ZCTA 37830 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) |
|---|---|---|---|---|
| Anderson County, Tennessee | 52% | 8,894 | 12,147 | 16,226 |
| Roane County, Tennessee | 48% | 18,206 | 11,677 | 10,297 |
| Knox County, Tennessee | 0% | 100 | 1,532 | 91,171 |
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 12,147 parcels measured as septic for Anderson County, Tennessee as a whole, not broken out by ZIP.
ZIP 37830 spans 3 counties: Anderson County, Tennessee, Roane County, Tennessee, Knox County, Tennessee.