ZIP 37705 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 37705.
ZCTA 37705 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 | 69% | 8,894 | 12,147 | 16,226 |
| Union County, Tennessee | 31% | 6,766 | 6,762 | 1,198 |
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 37705 spans 2 counties: Anderson County, Tennessee, Union County, Tennessee.