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Local rodent information

Rodent control in South Dakota

Learn what to look for around your property, explore your city, and ask about an inspection or a quote.

Rodents in South Dakota: what to know

Around South Dakota

Conditions vary across the state. Choose your city below, then describe what’s happening around your home or business.

What to note

Where you see rodents, how long it has been going on, and anything you’ve already tried are the most useful details to mention.

A useful next step

Ask about an inspection, what treatment would involve, and whether follow-up visits are included. You don’t need to identify the problem yourself before getting in touch.

Local research

Rodents in South Dakota: what the public record shows

Before you compare quotes, it helps to know which rodents actually live in South Dakota, when they are busiest, and what the state figures look like. Everything below links to the agency or university page it came from.

21
Hantavirus cases in South Dakota since 1993

Reported since the virus was first identified in 1993.

South Dakota Department of Health
Deer mice and white-footed mice, carrying Sin Nombre virus
Carrier species in South Dakota

Native field mice in rural buildings, not the house mouse.

South Dakota Department of Health
1/4 inch or larger
Hole size the health department says to seal

Paired with traps along baseboards and clearing brush and debris outdoors.

South Dakota Department of Health

Rodent species recorded in South Dakota

  • House mouse (Mus musculus) — Enters at 1/4 inch; 5-10 litters per year; eats about 200 small meals a night.
  • Norway rat (Rattus norvegicus) — Burrowing rat of basements, sewers and ground floors; tail shorter than head plus body.
  • Deer mouse (Peromyscus maniculatus) — Primary U.S. hantavirus carrier; lives throughout Washington and the interior West.

When rodents are busiest in South Dakota

Highest exposure when sheds, cabins and farm buildings closed over winter are cleaned out.

South Dakota's rodent health risk is the rural deer mouse; structural work is mice and Norway rats.

For context, nationally

  • 1/4 inch (the width of a pencil) — Smallest gap a mouse can enter. CDC
  • 890; 35% fatal; 94% west of the Mississippi — Hantavirus cases reported since 1993 (through 2023). CDC

Sources: South Dakota Department of Health; CDC; Pest Notes: House Mouse; Pest Notes: Rats; Hantavirus. Figures are quoted as the source prints them. How we check our sources

Explore South Dakota cities

Ask about rodent control in South Dakota