Template:Population of Michigan cities and counties (1970 Census)

In the 1970 United States census, Michigan was recorded as having a population of 8,875,083 persons, ranking as the seventh most populous state in the country. By 1980, the state's population had grown 4.4% to 9,262,078 persons.

Cities

The following is a list of cities in Michigan with a population of at least 70,000 based on 1970 U.S. Census data. Historic census data from 1960 and 1980 is included to reflect trends in population increases or decreases. Cities that are part of the Detroit metropolitan area are shaded in tan.

1970 Rank	City	County	1960 Pop.	1970 Pop.	1980 Pop.	Change 1970-80
1	Detroit	Wayne	1,670,144	1,514,063	1,203,368	−20.5%
2	Grand Rapids	Kent	177,313	197,649	181,843	−8.0%
3	Flint	Genesee	196,940	193,317	159,611	−17.4%
4	Warren	Macomb	89,246	179,260	161,134	−10.1%
5	Lansing	Ingham	107,807	131,403	130,414	−0.8%
6	Livonia	Wayne	66,702	110,109	104,814	−4.8%
7	Dearborn	Wayne	112,007	104,199	90,660	−13.0%
8	Ann Arbor	Washtenaw	67,340	100,035	107,969	7.9%
9	Saginaw	Saginaw	98,265	91,849	77,508	−15.6%
10	St. Clair Shores	Macomb	76,657	88,093	76,210	−13.5%
11	Westland	Wayne	60,743	86,749	84,603	−2.5%
12	Royal Oak	Oakland	80,612	86,238	70,893	−17.8%
13	Kalamazoo	Kalamazoo	82,089	85,555	79,722	−6.8%
14	Pontiac	Oakland	82,233	85,279	76,715	−10.0%
15	Dearborn Heights	Wayne	61,118	80,069	67,706	−15.4%
16	Taylor	Wayne	na	70,020	77,568	10.8%

Counties

The following is a list of counties in Michigan with populations of at least 120,000 based on 1970 U.S. Census data. Historic census data from 1960 and 1980 are included to reflect trends in population increases or decreases. Counties that are part of the Detroit metropolitan area are shaded in tan.

1970 Rank	County	Largest city	1960 Pop.	1970 Pop.	1980 Pop.	Change 1970-80
1	Wayne	Detroit	2,666,297	2,666,751	2,337,891	−12.3%
2	Oakland	Pontiac	690,259	907,871	1,011,793	11.4%
3	Macomb	Warren	405,804	625,309	694,600	11.1%
4	Genesee	Flint	374,313	444,341	450,449	1.4%
5	Kent	Grand Rapids	363,187	411,044	444,506	8.1%
6	Ingham	Lansing	211,296	261,039	275,520	5.5%
7	Washtenaw	Ann Arbor	172,440	234,103	264,748	13.1%
8	Saginaw	Saginaw	190,752	219,743	228,059	3.8%
9	Kalamazoo	Kalamazoo	169,712	201,550	212,378	5.4%
10	Berrien	Benton Harbor	149,865	163,875	171,276	4.5%
11	Muskegon	Muskegon	129,943	157,426	157,589	0.1%
12	Jackson	Jackson	131,994	143,274	151,495	5.7%
13	Calhoun	Battle Creek	138,858	141,963	141,557	−0.3%
14	Ottawa	Holland	98,719	128,181	157,174	22.6%
15	St. Clair	Port Huron	107,201	120,175	138,802	15.5%
16	Monroe	Monroe	101,120	118,479	134,659	13.7%
17	Bay	Bay City	107,042	117,339	119,881	2.2%