The City of Pueblo is a home rule municipality located in Pueblo County in southern Colorado. Pueblo is situated on the confluence of the Arkansas River and Fountain Creek. The area is considered to be semi-arid with approximately 14 inches of precipitation annually. According to the 2005 Census estimates, the city proper had an estimated population of 103,495. Pueblo is the ninth most populous city in the State of Colorado and the 242nd most populous city in the United States. Pueblo is the heart of the Pueblo Metropolitan Statistical Area and an important part of the Front Range Urban Corridor. It is the county seat of Pueblo County.

As of the census of 2000, there were 102,121 people, 40,307 households, and 26,118 families residing in the city. The population density was 874.6/km² (2,265.5/mi²). There were 43,121 housing units at an average density of 369.3/km² (956.6/mi²). The racial makeup of the city was 76.21% White, 2.41% African American, 1.73% Native American, 0.67% Asian, 0.06% Pacific Islander, 15.20% from other races, and 3.71% from two or more races. Hispanic or Latino of any race were 44.13% of the population.