Wisconsin coverage, county by county: 24 counties inside our metro areas, each with its own pest pressure profile and the metro guides that work there.
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Wisconsin has 24 counties inside the metro areas this site covers — together about 14,837 square miles of the state, organised around the Milwaukee, Madison, Green Bay, Appleton, Racine, Eau Claire metro areas. County pages exist because pest work is local at exactly this scale: licensing is by state, wildlife rules can vary locally, and a provider's actual service routes follow county and metro lines rather than state borders. Find your county below for its pest pressure profile and the metro guides that serve it.
The counties around a metro's core are often where the pressure is most interesting — newer subdivisions built into former farmland and woodland meet established pest populations at the edge, while the urban core deals with the pests of density. Each county page reads its own position in that pattern.
By land, the covered counties run from Douglas County (1,304 sq mi), Dane County (1,196 sq mi), Chippewa County (1,008 sq mi) down to Ozaukee County at about 233 square miles. The metros anchoring coverage are Milwaukee (metro population 1,575,010; 4 covered counties in Wisconsin); Madison (metro population 709,685; 4 covered counties in Wisconsin); Green Bay (metro population 336,756; 3 covered counties in Wisconsin); Appleton (metro population 249,876; 2 covered counties in Wisconsin); Racine (metro population 198,919; 1 covered county in Wisconsin); Eau Claire (metro population 176,647; 2 covered counties in Wisconsin); Oshkosh (metro population 174,218; 1 covered county in Wisconsin); La Crosse (metro population 171,182; 2 covered counties in Wisconsin); Kenosha (metro population 168,448; 1 covered county in Wisconsin); Janesville (metro population 166,472; 1 covered county in Wisconsin). That is the arithmetic the county pages below work from: a county's size decides how spread out the addresses are, its metro decides the pest calendar, and neither number means much without the other.
Weather sets the calendar, and in Milwaukee — the state's anchor metro — it reads: 35 inches of precipitation annually, average temperatures around 49°F, 9 days reaching 90°F and 123 freezing days. The counties below share that regime; what changes county to county is housing, land and distance from the core.
The pest signature across Wisconsin runs through midwest country, and the names that recur on county pages statewide are carpenter ants, overwintering pests, house mice. The largest covered county in the state is Douglas County at about 1,304 square miles, served through the Duluth metro. For metro-level guides, see the Wisconsin state page.
The communities county residents actually name: Milwaukee (about 569,756 residents), Madison (about 275,568 residents), Green Bay (about 106,585 residents), Kenosha (about 99,147 residents), Racine (about 77,155 residents), Appleton (about 74,873 residents) top the list of covered communities here. Each belongs to a county on this page — open that county for the pest picture at community level.
Milwaukee — about 1,575,010 residents across 4 counties. The local watch list: carpenter ants, overwintering pests and house mice, in a metro where hot humid summers and deep-freeze winters that push pests indoors in waves.
Madison — 709,685 residents, 4 counties. First on its watch list: carpenter ants, then overwintering pests and house mice — the pattern of a metro where hot humid summers and deep-freeze winters that push pests indoors in waves.
Green Bay — a metro of 336,756 across 3 counties, where the watch list runs carpenter ants, overwintering pests, house mice — the standing pattern where hot humid summers and deep-freeze winters that push pests indoors in waves.
Appleton — about 249,876 residents across 2 counties. The local watch list: carpenter ants, overwintering pests and house mice, in a metro where hot humid summers and deep-freeze winters that push pests indoors in waves.
Racine — about 198,919 residents across 1 counties. The local watch list: carpenter ants, overwintering pests and house mice, in a metro where hot humid summers and deep-freeze winters that push pests indoors in waves.
Eau Claire — about 176,647 residents across 2 counties. The local watch list: carpenter ants, overwintering pests and house mice, in a metro where hot humid summers and deep-freeze winters that push pests indoors in waves.
Oshkosh — about 174,218 residents across 1 counties. The local watch list: carpenter ants, overwintering pests and house mice, in a metro where hot humid summers and deep-freeze winters that push pests indoors in waves.
La Crosse — a metro of 171,182 across 3 counties, where the watch list runs carpenter ants, overwintering pests, house mice — the standing pattern where hot humid summers and deep-freeze winters that push pests indoors in waves.
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