Lake County, MN ZIP codes
There are 8 ZIP codes in Lake County, MN, in 8 towns, from 55601 to 55796. The largest are 55616 (Two Harbors), 55731 (Ely) and 55614 (Silver Bay).
The county seat is Two Harbors.
- ZIP codes
- 8
- Towns
- 8
- County seat
- Two Harbors
- County FIPS
27075- State
- Minnesota
- Population
- 10,879
- Median household income
- $75,541
- Land area
- 2,109 sq mi
Lake County ZIP codes by town
- Two Harbors (county seat)
- 55616
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Lake County ZIP codes
The ZIP codes of Lake County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Lake County in numbers
About 10,879 people live in Lake County, in 4,942 households, the 66th most populous of Minnesota's 87 counties. The median household income is $75,541 a year, 15% below the Minnesota median of $89,062 (US: $80,734). The median owner-occupied home is valued at $241,300 (27% below the Minnesota median), and median gross rent is $1,093 a month. The median age is 49.4; 26.8% of adults 25 and over hold a bachelor's degree or higher (39.4% across Minnesota); the average commute takes 25 minutes.
| Population | 10,879 |
|---|---|
| Households | 4,942 |
| Median age | 49.4 |
| Median household income | $75,541 |
| Median home value | $241,300 |
| Median gross rent | $1,093 |
| Bachelor's degree or higher | 26.8% |
| Mean commute | 24.8 min |
| Population density | 5 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Lake County
| Town | ZIP codes | Population |
|---|---|---|
| Two Harbors | 1 | 3,567 |
| Ely | 1 | 3,240 |
| Silver Bay | 1 | 1,769 |
| Finland | 1 | 257 |
| Isabella | 1 | 192 |
| Knife River | 1 | 131 |
| Winton | 1 | 124 |
| Beaver Bay | 1 | 82 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Lake County.
Not sure you are in Lake County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Lake County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
55601 | Beaver Bay , MN | Standard | 128 | $56,250 | $242,400 |
55603 | Finland , MN | Standard | 490 | $61,875 | $216,700 |
55607 | Isabella , MN | Standard | 192 | $87,857 | $213,200 |
55609 | Knife River , MN | Standard | 131 | $78,208 | — |
55614 | Silver Bay , MN | Standard | 2,485 | $72,981 | $181,700 |
55616 | Two Harbors , MN | Standard | 7,250 | $76,127 | $259,200 |
55731 | Ely , MN | Standard | 5,361 | $62,008 | $206,000 |
55796 | Winton , MN | Standard | 135 | $52,344 | $95,700 |
Cite this page
zipcodes.pro. “Lake County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mn/county/lake
Underlying data is public domain or openly licensed — sources, vintages and licences.