ZIP 56742 falls in Red Lake County, Minnesota, where we hold 1,101 parcels measured as septic county-wide and 936 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 56742.
ZCTA 56742 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) |
|---|---|---|---|---|
| Red Lake County, Minnesota | 69% | 207 | 1,101 | 936 |
| Pennington County, Minnesota | 27% | — | 2,347 | 3,192 |
| Polk County, Minnesota | 4% | — | 8,973 | 3,467 |
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 1,101 parcels measured as septic for Red Lake County, Minnesota as a whole, not broken out by ZIP.
ZIP 56742 spans 3 counties: Red Lake County, Minnesota, Pennington County, Minnesota, Polk County, Minnesota.