ZIP 56278 falls in Big Stone County, Minnesota, where we hold 1,951 parcels measured as septic county-wide and 1,250 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 56278.
ZCTA 56278 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) |
|---|---|---|---|---|
| Big Stone County, Minnesota | 89% | 17 | 1,951 | 1,250 |
| Lac qui Parle County, Minnesota | 11% | 1 | 2,453 | 1,606 |
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 1,951 parcels measured as septic for Big Stone County, Minnesota as a whole, not broken out by ZIP.
ZIP 56278 spans 2 counties: Big Stone County, Minnesota, Lac qui Parle County, Minnesota.