Local rodent information

Rodent control in Illinois

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

Rodents in Illinois: what to know

Around Illinois

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 Illinois: what the public record shows

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

Hantavirus cases, 2025 (provisional YTD)

One of the few eastern states in the 2025 column.

CDC National Notifiable Diseases Surveillance System

1 vs 3

Leptospirosis cases (YTD 2026 vs 2025, week 13)

Chicago rat exposure.

CDC NNDSS

Rodent species recorded in Illinois

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.

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: CDC National Notifiable Diseases Surveillance System; CDC NNDSS; CDC; Pest Notes: House Mouse; Pest Notes: Rats. Figures are quoted as the source prints them. How we check our sources

Explore Illinois cities

Arlington Heights

Humid Continental · suburban setting

Rodent control in Illinois

Rodents in Illinois: what to know

Around Illinois

What to note

A useful next step

Rodents in Illinois: what the public record shows

Rodent species recorded in Illinois

For context, nationally

Explore Illinois cities

Arlington Heights

Aurora

Berwyn

Bloomington

Bolingbrook

Champaign

Chicago

Cicero

Decatur

Des Plaines

Elgin

Evanston

Joliet

Naperville

Oak Lawn

Palatine

Peoria

Rockford

Schaumburg

Skokie

Springfield

Waukegan

Downers Grove

Ask about rodent control in Illinois