Tag Archives: U.S. Census Bureau

Idaho Census Data Changes Over the Decades

The 1870 Census found 14,999 people living in the Territory of Idaho. Ten years later, that grew to 32,610 people. In 1890, the year Idaho became a state, it had 88,548 residents. Its population nearly doubled by 1900 and then more than doubled to 325,594 in 1910.

Population grew more slowly in the next 10 years reaching 431,866. Despite the Depression, Idaho’s population rose to 524,873 by 1940. Over the next three decades, Idaho’s population grew an average 14 percent per decade, reaching 667,191 in 1960. Growth slowed to 7 percent in the next decade. The economic prosperity of the 1970s helped Idaho grow an impressive 32 percent, from 712, 567 to 943,935. The double-dip recession of the early 1980s hit Idaho hard, resulting in only 7 percent growth. By 1990, Idaho had more than a million residents. The next two decades brought strong growth — 29 percent to 1,293,953 people in 2000 and 21 percent to 1,567,582 by 2010.

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