Iowa State Population

Home to over 3.2 million Iowans.

Iowa's population currently hovers around 3.2 million residents, a figure reflecting a complex historical trajectory. The state experienced rapid growth throughout the 19th century as it became a cornerstone of American agriculture, reaching its first major population peak around 1900. However, the 20th century saw periods of stagnation and even decline, primarily due to agricultural mechanization, out-migration to industrial centers, and a generally low birth rate, leading to very slow or negative growth for decades. Current trends indicate a modest and often uneven growth, characterized by an aging demographic, a birth rate that barely keeps pace with or falls below the death rate, and continued rural depopulation in many counties. This slow overall growth is largely sustained by slight net migration (which fluctuates) and concentrated development in its larger urban centers like Des Moines, Cedar Rapids, and Iowa City, which continue to attract residents while many rural areas face ongoing population decline.

Data Source: US Census Bureau