1960 State Populations

Continuing Baby Boom population growth.

In 1960, the United States population stood at approximately 179-180 million, reflecting significant post-World War II growth fueled by the Baby Boom and sustained economic prosperity. This era was marked by a continuation of profound internal migration trends, most notably the rapid westward expansion; California, driven by defense, aerospace, and a burgeoning tech industry, saw explosive growth, solidifying its status as the nation's most populous state shortly thereafter, while other Western states like Arizona and Nevada also experienced substantial percentage increases. The nascent "Sun Belt" phenomenon was also taking hold, with states like Florida and Texas experiencing considerable population increases as industries diversified and air conditioning made southern climates more appealing. Meanwhile, the industrial heartland of the Northeast and Midwest, while still densely populated and economically powerful, began to experience a relative slowdown in growth compared to the dynamic West and South, foreshadowing later shifts, though large-scale suburbanization was a pervasive trend across virtually all regions, reshaping local demographics and infrastructure.

Data Source: US Census Bureau