ZIP Codes of Cook County, MN

Population & People
Population & People
Total Population
5,635
Household Income
Household Income
Median Income
$69,286
Housing
Housing
Total Housing Units
6,079
Business & Economy
Business & Economy
Total Businesses
292
Employment
Employment
Employment Rate
60.22%
Education
Education
Bachelor's Degree+
46.65%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 6 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:6 ZIP Codes (6 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:218
Timezone:Central (GMT -06:00)
Local Time:2:12:36 PM
Population:5,635 [See All]
FIPS:27031
Land Area:1,611 sq mi
Water Area:271 sq mi
Coordinates:47.8330, -90.4379
Quick Link:
https://www.zip-codes.com/county/mn-cook.asp
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Among Minnesota's 5 most-educated counties
46.6% with bachelor's+ (#5 statewide).
Among Minnesota's 5 oldest counties
Median age 52.4.
Striking education divide
Bachelor's share spans 18.5% to 58.5% — a 40-point gap.

Standout ZIPs in this County


Most Populous
Grand Marais · 3,719 people
66.0% of county total
Highest Income
Hovland · $85,000 median
1.2× county average
Largest Land Area
Grand Marais · 1,052.4 sq mi
Spans the most ground
Fastest Growth
Grand Marais · 16.3% (10-yr)
3,199 → 3,719 residents
Most Educated
Grand Marais · 50.6% bachelor's+
1,527 of 3,016 adults 25+

Things worth knowing about Cook County


5,635 residents live across 6 ZIPs covering 1,611 sq mi, served by 6 distinct USPS-recognized cities.

Population moved from 5,197 to 5,635 from 2014 to 2024 — a +8.4% change. 3 ZIPs gained residents, 3 lost.

The county's wealthiest ZIP 55606 (Hovland, $85,000 median) and poorest ZIP 55605 (Grand Portage, $56,250) are 9.1 miles apart — a 1.5× income gap across local geography.

Median home values vary 3.0× across this county — from $140,200 in 55605 (Grand Portage) to $415,400 in 55612 (Lutsen).

Density varies across the county — from 1 people/sq mi in 55606 (Hovland) to 9 in 55605 (Grand Portage).

Educational attainment ranges from 18.5% bachelor's+ in 55605 (Grand Portage) to 58.5% in 55612 (Lutsen) — the breadth of educational profiles across the area.

Within Minnesota, this is the #79 most populous of 93 counties and ranks #70 for median household income with the #13 fastest decade growth .

Weighted by population, the typical household earns about $71,384 across the county — reflecting what a typical resident sees, not a simple ZIP average.

46.6% of adults age 25+ hold a bachelor's degree or higher (2,116 of 4,536 reporting).

6 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Cook County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
1,611
square miles
Avg density
3.5
people per sq mi
Population
5,635
across 6 ZIPs
Grand Marais
1,052.4 sq mi
3,719 residents
Tofte
183.8 sq mi
379 residents
Hovland
139.4 sq mi
198 residents

Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Grand Marais

All ZIP Codes in Cook County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
55604Grand MaraisStandard3,719$73,4271,052.416.3%
55605Grand PortageStandard572$56,25060.74.2%
55612LutsenStandard535$81,04292.5-28.8%
55615TofteStandard379$61,042183.846.9%
55613SchroederStandard232$58,95882.2-3.3%
55606HovlandStandard198$85,000139.4-1.0%

Adjacent & Nearby Counties