Gutters, roofing, siding and windows in Blue Earth County, MN

In Blue Earth County we serve 12 cities and communities: Amboy, Eagle Lake, Garden City, Good Thunder, Lake Crystal, Madison Lake, Mankato, Mapleton, Pemberton, Skyline, St. Clair and Vernon Center.

Blue Earth County has 29,544 housing units, and 59% 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 4% of the housing units.

The median home in Blue Earth County was built in 1977. 53% of homes in Blue Earth County were built before 1980, and 28% were built in 2000 or later. The most common building period is 1939 or earlier, with 5,945 homes.

62% of occupied homes in Blue Earth County are owner-occupied. The median owner-occupied home in Blue Earth County is valued at $252,800. Among occupied homes in Blue Earth County, 66% heat with utility gas, 18% with electricity, 13% with bottled or tank gas, 1% with fuel oil and 1% with wood.

Source: American Community Survey 2023, 5-year (tables B25024, B25034, B25035, B25003, B25077, B25040).

The NOAA Storm Events Database records 42 hail events, 46 thunderstorm-wind events and 6 tornadoes in Blue Earth County 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. 13 of those hail events had hail 1.5 inches or larger.

The most recent hail event in Blue Earth County was on June 16, 2025: 1.5 in hail near Mankato. The most recent thunderstorm-wind event in Blue Earth County was on August 17, 2025, near Nicollet. The strongest thunderstorm wind recorded in Blue Earth County in that period was 75 mph. The busiest year was 2016, with 20 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).

Blue Earth County scores 85.3 of 100 for hail in FEMA's National Risk Index, which ranks 14th of 87 Minnesota counties. Blue Earth County scores 95.2 of 100 for strong wind in FEMA's National Risk Index, which ranks 8th of 87 Minnesota counties. Blue Earth County scores 93.5 of 100 for winter weather in FEMA's National Risk Index, which ranks 5th of 87 Minnesota counties. Of the perils listed here, the highest score in Blue Earth County is for strong wind, at 95.2 of 100.

Blue Earth County averages 35 inches of precipitation a year (NOAA 1991–2020 normals). The average annual temperature in Blue Earth 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 62 miles from the center of Blue Earth County. 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