The City of Chicago is the municipal government responsible for administering the third-largest city in the United States, serving over 2.7 million residents. Governed by a mayor-council system, Chicago’s government is divided into executive and legislative branches. The mayor, currently Lori Lightfoot, leads the executive branch, overseeing city departments and agencies, while the 50-member City Council, composed of alderpersons elected from each ward, serves as the legislative body. The mayor also presides over council meetings and can break tie votes, giving them significant influence over city legislation. Chicago’s government manages a wide array of services, including public safety, infrastructure, health, housing, transportation, and economic development. Key departments include the Chicago Police and Fire Departments, the Department of Transportation, the Department of Innovation and Technology, and the Department of Planning and Development. The city is notable for its robust ward-based system, where alderpersons act as intermediaries between residents and city services, often maintaining ward offices to address local needs. Historically, Chicago’s government has evolved to meet the demands of a growing and diverse population, with reforms aimed at improving transparency and efficiency. The city has been a leader in adopting technology for urban management, including smart city initiatives, open data platforms, and digital service delivery. Chicago’s emphasis on innovation is evident in its Department of Innovation and Technology, which drives digital transformation across city operations. Currently, Chicago continues to focus on economic development, sustainability, and equity, with initiatives in affordable housing, green infrastructure, and workforce development. Notable achievements include major infrastructure projects, public-private partnerships, and advancements in civic technology. The city’s unique blend of ward-level engagement and centralized leadership makes it a dynamic environment for business and technology innovation, attracting investment and talent from around the world.