ZIP 56304 falls in Sherburne County, Minnesota, where we hold 12,971 parcels measured as septic county-wide and 16,390 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 56304.
ZCTA 56304 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) |
|---|---|---|---|---|
| Sherburne County, Minnesota | 87% | — | 12,971 | 16,390 |
| Benton County, Minnesota | 13% | — | 4,651 | 7,278 |
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 12,971 parcels measured as septic for Sherburne County, Minnesota as a whole, not broken out by ZIP.
ZIP 56304 spans 2 counties: Sherburne County, Minnesota, Benton County, Minnesota.