Template:Population of Michigan cities and counties (1940 Census)

In the 1940 United States census, Michigan was recorded as having a population of 5,256,106, ranking as the seventh most populous state in the country. By 1950, Michigan's population had increased by 21.2% to 6,371,766.

Cities

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The following is a list of cities in Michigan with a population of at least 20,000 based on 1940 U.S. Census data. Historic census data from 1930 and 1950 is included to reflect trends in population increases or decreases. Cities that are part of the Detroit metropolitan area are shaded in tan.

1940
Rank
City County 1940 Pop. 1946 Est. 1950 Pop. Change 1940-50
1 Detroit Wayne 1,623,452 1,815,000[1] 1,849,568 13.9%
2 Grand Rapids Kent 164,292 176,515 7.4%
3 Flint Genesee 151,543 163,143 7.7%
4 Saginaw Saginaw 82,794 92,918 12.2%
5 Lansing Ingham 78,753 90,000[2] 92,129 17.0%
6 Pontiac Oakland 66,626 73,681 10.6%
7 Dearborn Wayne 63,589 94,994 49.4%
8 Kalamazoo Kalamazoo 54,097 57,704 6.7%
9 Highland Park Wayne 50,810 46,393 −8.7%
10 Hamtramck Wayne 49,839 48,938[3] 43,555 −12.6%
11 Jackson Jackson 49,656 51,088 2.9%
12 Bay City Bay 47,956 52,523 9.5%
13 Muskegon Muskegon 47,697 48,429 1.5%
14 Battle Creek Calhoun 43,453 48,666 12.0%
15 Port Huron St. Clair 32,759 35,725 9.1%
16 Wyandotte Wayne 30,618 36,846 20.3%
17 Ann Arbor Washtenaw 29,815 48,251 61.8%
18 Royal Oak Oakland 25,087 46,898 86.9%
19 Ferndale Oakland 22,523 29,675 31.8%

Counties

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The following is a list of counties in Michigan with populations of at least 75,000 based on 1940 U.S. Census data. Historic census data from 1930 and 1950 are included to reflect trends in population increases or decreases.

1940
Rank
County Largest city 1930 Pop. 1940 Pop. 1950 Pop. Change 1940-50
1 Wayne Detroit 1,888,946 2,015,623 2,435,235 20.8%
2 Oakland Pontiac 211,251 254,068 396,001 55.9%
3 Kent Grand Rapids 240,511 246,338 288,292 17.0%
4 Genesee Flint 211,641 227,944 270,963 18.9%
5 Ingham Lansing 116,587 130,616 172,941 32.4%
6 Saginaw Saginaw 120,717 130,468 153,515 17.7%
7 Macomb Warren 77,146 107,638 184,961 71.8%
8 Kalamazoo Kalamazoo 91,368 100,085 126,707 26.6%
9 Jackson Jackson 92,304 93,108 108,168 16.2%
10 Muskegon Muskegon 84,630 94,501 121,545 28.6%
11 Calhoun Battle Creek 87,043 94,206 120,813 28.2%
  1. ^ "L.A. Gives the Count to Detroit". Detroit Free Press. July 28, 1946. p. 1 – via Newspapers.com.
  2. ^ "City Needs 7,000 Homes". Lansing State Journal. March 10, 1946. p. 23 – via Newspapers.com.
  3. ^ "Unusual Statistics Of State Revealed". Lansing State Journal. January 25, 1946. p. 18 – via Newspapers.com.