Gutters, roofing, siding and windows in ZIP code 56003, North Mankato, MN

• Gutters in ZIP code 56003

  Nicollet County averages 33.7 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 56003

  8 of the 31 hail events on record within 10 miles of the center of ZIP code 56003 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 56003

  The strongest thunderstorm wind on record within 10 miles of the center of ZIP code 56003 from 2016 through September 22, 2025 was 75 mph. The National Weather Service counts a thunderstorm wind of 58 mph or more as severe.

• Windows in ZIP code 56003

  48% of homes in ZIP code 56003 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 56003 is filed here under North Mankato, in Nicollet County, Minnesota; its center is about 55 miles southwest of our Farmington office. Our address file holds 5,652 address points in ZIP code 56003. Of the cities and towns on our pages, ZIP code 56003 covers only North Mankato.

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 56003 has 6,543 housing units, and 67% of them are single-family detached homes (American Community Survey 2023, 5-year). Another 7% are attached homes such as townhomes. Mobile homes make up 5% of the housing units.

The median home in ZIP code 56003 was built in 1982. 48% of homes in ZIP code 56003 were built before 1980, and 27% were built in 2000 or later. The most common building period is 2000–2009, with 1,167 homes.

74% of occupied homes in ZIP code 56003 are owner-occupied. The median owner-occupied home in ZIP code 56003 is valued at $260,800. Among occupied homes in ZIP code 56003, 74% heat with utility gas, 18% with electricity, 5% with bottled or tank gas and 1% with fuel oil.

Source: American Community Survey 2023, 5-year (tables B25024, B25034, B25035, B25003, B25077, B25040), for ZIP Code Tabulation Area 56003.

The nearest other ZIP codes we serve, measured center to center, are 56050 in Kasota (7.7 miles northeast), 56001 in St. Clair (7.8 miles southeast), 56074 in Nicollet (9.5 miles northwest), 56055 in Lake Crystal (9.8 miles southwest), 56082 in St. Peter (10 miles north) and 56021 in Courtland (12 miles northwest). The table sets ZIP code 56003 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 31 hail events, 37 thunderstorm-wind events and 6 tornadoes within 10 miles of the center of ZIP code 56003 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 2.5 inches on June 2, 2020, near Lake Crystal. 8 of those hail events had hail 1.5 inches or larger.

The closest event to the center of ZIP code 56003 was 1.25 in hail on August 27, 2025, 2.5 miles away near North Mankato. The most recent hail event within 10 miles of the center of ZIP code 56003 was on August 27, 2025: 1.25 in hail near North Mankato. The most recent thunderstorm-wind event within 10 miles of the center of ZIP code 56003 was on August 17, 2025, near Nicollet. The strongest thunderstorm wind recorded within 10 miles of the center of ZIP code 56003 in that period was 75 mph. The busiest year was 2022, with 13 events in all.

Apart from those database entries, NOAA weather radar indicated hail of 1 inch or larger over North Mankato on 1 day from January 2025 on, most recently June 17, 2025. A radar indication is an estimate, not a report from the ground, and the counts and tables on this page do not include it.

Source: NOAA Storm Events Database (hail events through March 31, 2026; thunderstorm-wind and tornado events through September 22, 2025); NOAA MRMS radar hail estimates (for the city of North Mankato).

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 North Mankato, which is in Nicollet County; the ratings below are that county's. Nicollet County scores 77.2 of 100 for hail in FEMA's National Risk Index, which ranks 30th of 87 Minnesota counties. Nicollet County scores 86.8 of 100 for strong wind in FEMA's National Risk Index, which ranks 16th of 87 Minnesota counties. Nicollet County scores 79.4 of 100 for winter weather in FEMA's National Risk Index, which ranks 22nd of 87 Minnesota counties. Of the perils listed here, the highest score in Nicollet County is for strong wind, at 86.8 of 100.

Nicollet County averages 33.7 inches of precipitation a year (NOAA 1991–2020 normals). The average annual temperature in Nicollet County is 45.6°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 55 miles from the center of ZIP code 56003. 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