ZIP 45327 falls in Montgomery County, Ohio. We have not measured septic data for this county yet. The county page below has what we do know: where records are kept and whether the portal is public.
ZCTA 45327 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) |
|---|---|---|---|---|
| Montgomery County, Ohio | 94% | — | — | — |
| Preble County, Ohio | 4% | 57 | — | — |
| Butler County, Ohio | 2% | 1 | — | — |
| Warren County, Ohio | 0% | 61 | — | — |
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 45327 spans 4 counties: Montgomery County, Ohio, Preble County, Ohio, Butler County, Ohio, Warren County, Ohio.