ZIP 49315 falls in Kent County, Michigan, where we hold 48,979 parcels measured as septic county-wide and 145,669 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 49315.
ZCTA 49315 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) |
|---|---|---|---|---|
| Kent County, Michigan | 72% | 3 | 48,979 | 145,669 |
| Ottawa County, Michigan | 18% | 24 | 58,432 | 34,199 |
| Allegan County, Michigan | 10% | — | — | — |
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 48,979 parcels measured as septic for Kent County, Michigan as a whole, not broken out by ZIP.
ZIP 49315 spans 3 counties: Kent County, Michigan, Ottawa County, Michigan, Allegan County, Michigan.