ZIP 42445 falls in Caldwell County, Kentucky, where we hold 14 septic-related documents. We have not classified septic-versus-sewer status for this county, and we do not have a per-ZIP parcel count -- see the county page for what we hold and where the records are kept.
ZCTA 42445 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) |
|---|---|---|---|---|
| Caldwell County, Kentucky | 91% | 14 | — | — |
| Lyon County, Kentucky | 5% | — | — | — |
| Hopkins County, Kentucky | 4% | 14 | — | — |
| Trigg County, Kentucky | 0% | — | — | — |
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 have not measured septic-versus-sewer status for this county yet.
ZIP 42445 spans 4 counties: Caldwell County, Kentucky, Lyon County, Kentucky, Hopkins County, Kentucky, Trigg County, Kentucky.