ZIP 37373 falls in Hamilton County, Tennessee, where we hold 33,223 parcels measured as septic county-wide and 89,572 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 37373.
ZCTA 37373 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) |
|---|---|---|---|---|
| Hamilton County, Tennessee | 100% | 25 | 33,223 | 89,572 |
| Rhea County, Tennessee | 0% | 2,754 | 8,798 | 3,467 |
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 33,223 parcels measured as septic for Hamilton County, Tennessee as a whole, not broken out by ZIP.
ZIP 37373 spans 2 counties: Hamilton County, Tennessee, Rhea County, Tennessee.