Police Department in Mercer County, Illinois

Municipal police departments within a county operate independently from each other and from the county sheriff, each serving their respective city or town limits. There are 10 Police Department locations in County, Illinois.

Residents of County should be aware of jurisdiction boundaries — the city police handle incidents within city limits, while the county sheriff's office covers unincorporated areas of the county. Contacting the correct agency ensures the fastest response.

Residents of County can find their specific city police department by selecting their municipality below. For matters in unincorporated parts of County, the county sheriff's office is typically the appropriate agency to contact for law enforcement assistance.

You may also find Police Department locations in neighboring counties including Mercer, Rock Island, Warren.