The answer to 'how much to replace switch in Chicago' is that the cost to replace a light switch can vary significantly depending on several factors. Generally, you can expect to pay anywhere from $50 to $200 or more to have a professional electrician replace a standard light switch in the Chicago area.
The specific cost will depend on factors like the complexity of the electrical work, the accessibility of the switch, the need for any additional materials or permits, and the hourly rate charged by the electrician. It's always best to get multiple quotes from licensed and insured local electricians to compare prices and ensure you get a fair rate for the work.