ZIP 56623 falls in Lake of the Woods County, Minnesota, where we hold 1,872 parcels measured as septic county-wide and 163 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 56623.
ZCTA 56623 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) |
|---|---|---|---|---|
| Lake of the Woods County, Minnesota | 83% | 9 | 1,872 | 163 |
| Koochiching County, Minnesota | 17% | — | 3,267 | 336 |
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 1,872 parcels measured as septic for Lake of the Woods County, Minnesota as a whole, not broken out by ZIP.
ZIP 56623 spans 2 counties: Lake of the Woods County, Minnesota, Koochiching County, Minnesota.