Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/MN/COUNTY/COOK

Cook County, MN ZIP codes

Cook County, MN has 6 ZIP codes, in 6 towns: 55604, 55612, 55605, 55615, 55606 and 55613.

The county seat is Grand Marais.

ZIP codes
6
Towns
6
County seat
Grand Marais
County FIPS
27031
Population
5,635
Median household income
$72,638
Land area
1,453 sq mi

Cook County ZIP codes by town

Grand Marais (county seat)
55604

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 Cook County ZIP codes

556045560555606556125561355615

The ZIP codes of Cook 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.

Cook County in numbers

About 5,635 people live in Cook County, in 2,710 households, the 80th most populous of Minnesota's 87 counties. The median household income is $72,638 a year, 18% below the Minnesota median of $89,062 (US: $80,734). The median owner-occupied home is valued at $336,200 (about the same as the Minnesota median), and median gross rent is $886 a month. The median age is 53.0; 46.6% of adults 25 and over hold a bachelor's degree or higher (39.4% across Minnesota); the average commute takes 17 minutes.

Population5,635Cook5,635
Households2,710Cook2,710
Median age53.0Cook53.0Minnesota38.8US 38.9
Median household income$72,638Cook$72,638Minnesota$89,062US $80,734
Median home value$336,200Cook$336,200Minnesota$329,300US $332,700
Median gross rent$886Cook$886Minnesota$1,280US $1,413
Bachelor's degree or higher46.6%Cook46.6%Minnesota39.4%US 35.7%
Mean commute16.6 minCook16.6 minMinnesota22.7 minUS 26.4 min
Population density4 / sq miCook4 / 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 Cook County

Largest towns in Cook County
TownZIP codesPopulation
Grand Marais 1 1,796
Grand Portage 1 572
Tofte 1 379
Schroeder 1 232
Lutsen 1 222
Hovland 1 198

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.

Not sure you are in Cook County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Cook County, with figures

ZIP codes in Cook County
ZIP City Type Population Median income Median home
55604 Grand Marais , MN Standard 3,719 $73,427 $352,500
55605 Grand Portage , MN Standard 572 $56,250 $140,200
55606 Hovland , MN Standard 198 $85,000 $317,900
55612 Lutsen , MN Standard 535 $81,042 $415,400
55613 Schroeder , MN Standard 232 $58,958 $405,600
55615 Tofte , MN Standard 379 $61,042 $276,100

Cite this page

zipcodes.pro. “Cook County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mn/county/cook

Underlying data is public domain or openly licensed — sources, vintages and licences.