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This article covers events from the year 1930 in Michigan.
In the 1930 United States census, Michigan was recorded as having a population of 4,842,325, ranking as the seventh most populous state in the country. By 1940, Michigan's population had increased by 8.5% to 5,256,106.
The following is a list of cities in Michigan with a population of at least 20,000 based on 1930 U.S. Census data. Historic census data from 1920 and 1940 is included to reflect trends in population increases or decreases. Cities that are part of the Detroit metropolitan area are shaded in tan.
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The following is a list of counties in Michigan with populations of at least 50,000 based on 1930 U.S. Census data. Historic census data from 1920 and 1940 are included to reflect trends in population increases or decreases.
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