Elmhurst is a city in Cook and DuPage counties in Illinois and is a western suburb of Chicago. Elmhurst is a thriving community with many parks, restaurants, and a stellar theatre. The current population is nearly 45,000 people. With a widespread community like this, it is easy for pests to gain access to your home. Elmhurst can trust Eco Tech Pest Control Technicians who are proud to provide environmentally responsible, effective pest prevention and elimination services.