Gutters, roofing, siding and windows in ZIP code 55604, Grand Marais, MN

• Gutters in ZIP code 55604

  Cook County averages 30.3 inches of precipitation a year (NOAA 1991–2020 normals). One inch of rain on 1,000 square feet of roof is about 623 gallons of water for the gutters to carry.

• Roofing in ZIP code 55604

  1 of the 7 hail events on record within 25 miles of the center of ZIP code 55604 from 2016 through March 31, 2026 had hail 1.5 inches or larger. The National Weather Service counts hail of 1 inch or larger as severe.

• Siding in ZIP code 55604

  The strongest thunderstorm wind on record within 25 miles of the center of ZIP code 55604 from 2016 through September 22, 2025 was 81 mph. The National Weather Service counts a thunderstorm wind of 58 mph or more as severe.

• Windows in ZIP code 55604

  50% of homes in ZIP code 55604 were built before 1980. A home built before 1980 was built before the energy codes in force today were written.

Source: NOAA Storm Events Database (hail events through March 31, 2026; thunderstorm-wind and tornado events through September 22, 2025); American Community Survey 2023, 5-year; NOAA 1991–2020 climate normals.

ZIP code 55604 is filed here under Grand Marais, in Cook County, Minnesota; its center is about 109 miles northeast of our Duluth office. Our address file holds 4,147 address points in ZIP code 55604. Of the cities and towns on our pages, ZIP code 55604 covers only Grand Marais.

Source: Census ZIP Code Tabulation Area, county and place boundaries (a ZIP code can also take in land outside any city or town).

ZIP code 55604 has 3,412 housing units, and 92% of them are single-family detached homes (American Community Survey 2023, 5-year). Another 2% are attached homes such as townhomes.

The median home in ZIP code 55604 was built in 1980. 50% of homes in ZIP code 55604 were built before 1980, and 29% were built in 2000 or later. The most common building period is 2000–2009, with 644 homes.

80% of occupied homes in ZIP code 55604 are owner-occupied. The median owner-occupied home in ZIP code 55604 is valued at $307,100. Among occupied homes in ZIP code 55604, 3% heat with utility gas, 28% with electricity, 47% with bottled or tank gas, 6% with fuel oil and 15% with wood.

Source: American Community Survey 2023, 5-year (tables B25024, B25034, B25035, B25003, B25077, B25040), for ZIP Code Tabulation Area 55604.

The nearest other ZIP codes we serve, measured center to center, are 55612 in Lutsen (14 miles southwest). The table sets ZIP code 55604 beside the ZIP code nearest to it, using the same Census figures for each.

Source: American Community Survey 2023, 5-year, by ZIP Code Tabulation Area; distances are straight lines between ZIP code centers.

The NOAA Storm Events Database records 7 hail events, 18 thunderstorm-wind events and 2 tornadoes within 25 miles of the center of ZIP code 55604 from 2016 through March 31, 2026 for hail and through September 22, 2025 for thunderstorm wind and tornadoes. The largest hail on record there in that period was 1.75 inches on October 10, 2021, near Grand Marais. 1 of those hail events had hail 1.5 inches or larger.

The closest event to the center of ZIP code 55604 was 1.75 in hail on October 10, 2021, 4.3 miles away near Grand Marais. The most recent hail event within 25 miles of the center of ZIP code 55604 was on July 25, 2023: 1 in hail near Lutsen. The most recent thunderstorm-wind event within 25 miles of the center of ZIP code 55604 was on August 9, 2025, near Lutsen. The strongest thunderstorm wind recorded within 25 miles of the center of ZIP code 55604 in that period was 81 mph. The busiest year was 2021, with 6 events in all.

Source: NOAA Storm Events Database (hail events through March 31, 2026; thunderstorm-wind and tornado events through September 22, 2025).

Source: NOAA Storm Events Database (hail events through March 31, 2026; thunderstorm-wind and tornado events through September 22, 2025).

Source: NOAA Storm Events Database (hail events through March 31, 2026; thunderstorm-wind and tornado events through September 22, 2025).

This page is filed under Grand Marais, which is in Cook County; the ratings below are that county's. Cook County scores 3.1 of 100 for hail in FEMA's National Risk Index, which ranks 87th of 87 Minnesota counties. Cook County scores 9.8 of 100 for strong wind in FEMA's National Risk Index, which ranks 83rd of 87 Minnesota counties. Cook County scores 52.6 of 100 for winter weather in FEMA's National Risk Index, which ranks 61st of 87 Minnesota counties. Of the perils listed here, the highest score in Cook County is for lightning, at 76.3 of 100.

Cook County averages 30.3 inches of precipitation a year (NOAA 1991–2020 normals). The average annual temperature in Cook County is 35.9°F.

Source: FEMA National Risk Index, 2026 release; rank among the state's counties computed from the scores; NOAA 1991–2020 climate normals.

Our Duluth office is at 314 W Superior St #913, Duluth, MN 55802, about 109 miles from the center of ZIP code 55604. Its hours are Monday–Friday 7:00 AM–7:00 PM. You can reach that office at (218) 833-2997.

• Duluth office: address, hours and map