ZIP 35178 falls in Shelby County, Alabama, where we hold 30,952 parcels measured as septic county-wide and 40,369 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 35178.
ZCTA 35178 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) |
|---|---|---|---|---|
| Shelby County, Alabama | 79% | 9 | 30,952 | 40,369 |
| St. Clair County, Alabama | 21% | — | — | — |
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 30,952 parcels measured as septic for Shelby County, Alabama as a whole, not broken out by ZIP.
ZIP 35178 spans 2 counties: Shelby County, Alabama, St. Clair County, Alabama.