Gutters, roofing, siding and windows in ZIP code 55304, Andover, MN

• Gutters in ZIP code 55304

  Anoka County averages 30.6 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 55304

  17 of the 55 hail events on record within 10 miles of the center of ZIP code 55304 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 55304

  The strongest thunderstorm wind on record within 10 miles of the center of ZIP code 55304 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 55304

  27% of homes in ZIP code 55304 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 55304 is filed here under Andover, in Anoka County, Minnesota; its center is about 43 miles north of our Farmington office. Our address file holds 18,997 address points in ZIP code 55304. ZIP code 55304 reaches into 2 cities and towns on our pages: Andover (12,268 address points) and Ham Lake (6,711). Andover holds the most of its address points, so this page sits under Andover.

Source: Census ZIP Code Tabulation Areas and address points (a ZIP code can also take in land outside any city or town).

ZIP code 55304 has 17,318 housing units, and 89% of them are single-family detached homes (American Community Survey 2023, 5-year). Another 6% are attached homes such as townhomes. Mobile homes make up 2% of the housing units.

The median home in ZIP code 55304 was built in 1993. 27% of homes in ZIP code 55304 were built before 1980, and 32% were built in 2000 or later. The most common building period is 1990–1999, with 4,494 homes.

94% of occupied homes in ZIP code 55304 are owner-occupied. The median owner-occupied home in ZIP code 55304 is valued at $402,600. Among occupied homes in ZIP code 55304, 90% heat with utility gas, 8% with electricity, 1% with bottled or tank gas and 1% with wood.

Source: American Community Survey 2023, 5-year (tables B25024, B25034, B25035, B25003, B25077, B25040), for ZIP Code Tabulation Area 55304.

The nearest other ZIP codes we serve, measured center to center, are 55448 in Coon Rapids (4.9 miles south), 55011 in East Bethel (5.9 miles north), 55434 in Blaine (6.1 miles south), 55449 in Blaine (6.7 miles southeast), 55433 in Coon Rapids (7 miles south) and 55303 in Ramsey (8 miles west). The table sets ZIP code 55304 beside the 8 ZIP codes 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 55 hail events, 43 thunderstorm-wind events and 5 tornadoes within 10 miles of the center of ZIP code 55304 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 3 inches on August 5, 2019, near Ramsey. 17 of those hail events had hail 1.5 inches or larger.

The closest event to the center of ZIP code 55304 was 1 in hail on July 18, 2020, 1.3 miles away near Ham Lake. The most recent hail event within 10 miles of the center of ZIP code 55304 was on August 15, 2025: 1 in hail near Coon Rapids. The most recent thunderstorm-wind event within 10 miles of the center of ZIP code 55304 was on July 28, 2025, near Blaine. The strongest thunderstorm wind recorded within 10 miles of the center of ZIP code 55304 in that period was 81 mph. The busiest year was 2019, with 28 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 Andover, which is in Anoka County; the ratings below are that county's. Anoka County scores 96.2 of 100 for hail in FEMA's National Risk Index, which ranks 5th of 87 Minnesota counties. Anoka County scores 98.8 of 100 for strong wind in FEMA's National Risk Index, which ranks 3rd of 87 Minnesota counties. Anoka County scores 84.1 of 100 for winter weather in FEMA's National Risk Index, which ranks 16th of 87 Minnesota counties. Of the perils listed here, the highest score in Anoka County is for strong wind, at 98.8 of 100.

Anoka County averages 30.6 inches of precipitation a year (NOAA 1991–2020 normals). The average annual temperature in Anoka County is 44.5°F.

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

Our Farmington office is at 821 3rd St, Farmington, MN 55024, about 43 miles from the center of ZIP code 55304. Its hours are Monday–Friday 7:00 AM–7:00 PM. You can reach that office at (651) 998-8500.

• Farmington office: address, hours and map