For example, between 1950 and 1990 Aurora's population increased from 11,300 to 222,103 and Arvada's population increased from 2300 to 89,235. According to the 1990 census, whites are 72.2 percent of Denver's population, blacks 12.9 percent, Asians and Pacific Islanders 2.3 percent, and Native Americans 1.1 percent. The remainder are of mixed heritage or did not report ethnicity. Hispanics, who may be of any race, are 22.8 percent of the people. Some 22 percent of the population is under age 18 and 14 percent are age 65 or older.
Women slightly outnumber men.
Since the very beginning of Colorado's settlement, Denver has been the region's thriving cultural hub and a regional educational center. Prominent cultural institutions include the Denver Art Museum, with a fine collection of Native American art and pre-Columbian artifacts. The Colorado History Museum has displays showing how miners, settlers, and Native Americans lived during the state's early years. Denver's history can be seen in the Molly Brown House, Larimer Square, and the Byers-Evans House. Walking tours of historic areas also explore the city's past.