ZIP 35621 falls in Morgan County, Alabama, where we hold 16,096 parcels measured as septic county-wide and 25,965 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 35621.
ZCTA 35621 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) |
|---|---|---|---|---|
| Morgan County, Alabama | 97% | — | 16,096 | 25,965 |
| Cullman County, Alabama | 3% | — | — | — |
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 16,096 parcels measured as septic for Morgan County, Alabama as a whole, not broken out by ZIP.
ZIP 35621 spans 2 counties: Morgan County, Alabama, Cullman County, Alabama.