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Events from the year 1989 in Michigan included the murder of the DeLisle children; the battle against the crack cocaine epidemic in Detroit; the Detroit Pistons sweeping the Los Angeles Lakers in the 1989 NBA Finals to win their first NBA championship; interim head coach Steve Fisher leading Michigan to the national championship in the NCAA tournament; Barry Sanders signing with the Detroit Lions; and Madonna's album Like a Prayer and the single of the "same name" both reaching No. 1 on the charts.
The Associated Press (AP) selected the top stories in Michigan for 1989 as follows: [1]
The AP also conducted a year-end poll of the state's top sports stories with the following ranking as the top ten:
Other stories receiving votes included the Detroit Tigers compiling the worst record in Major League Baseball at 59–103 (.364). [19]
 
 
 In the 1980 United States census, Michigan was recorded as having a population of 9,259,000 persons, ranking as the eighth most populous state in the country. By 1990, the state's population had grown only marginally by 0.4% to 9,259,000 persons.
The following is a list of cities in Michigan with a population of at least 50,000 based on 1980 U.S. Census data. Historic census data from 1970 and 1990 is included to reflect trends in population increases or decreases. Cities that are part of the Detroit metropolitan area are shaded in tan.
| 1980 Rank  | City | County | 1970 Pop. | 1980 Pop. | 1990 Pop. | Change 1980-90 | 
|---|---|---|---|---|---|---|
| 1 | Detroit | Wayne | 1,514,063 | 1,203,368 | 1,027,974 | −14.6%  | 
| 2 | Grand Rapids | Kent | 197,649 | 181,843 | 189,126 | 4.0%  | 
| 3 | Warren | Macomb | 179,260 | 161,134 | 144,864 | −10.1%  | 
| 4 | Flint | Genesee | 193,317 | 159,611 | 140,761 | −11.8%  | 
| 5 | Lansing | Ingham | 131,403 | 130,414 | 127,321 | −2.4%  | 
| 6 | Sterling Heights | Macomb | 61,365 | 108,999 | 117,810 | 8.1%  | 
| 7 | Ann Arbor | Washtenaw | 100,035 | 107,969 | 109,592 | 1.5%  | 
| 8 | Livonia | Wayne | 110,109 | 104,814 | 100,850 | −3.8%  | 
| 9 | Dearborn | Wayne | 104,199 | 90,660 | 89,286 | −1.5% | 
| 10 | Westland | Wayne | 86,749 | 84,603 | 84,724 | 0.1%  | 
| 11 | Kalamazoo | Kalamazoo | 85,555 | 79,722 | 80,277 | 0.7%  | 
| 12 | Taylor | Wayne | 70,020 | 77,568 | 70,811 | −8.7%  | 
| 13 | Saginaw | Saginaw | 91,849 | 77,508 | 69,512 | −10.3%  | 
| 14 | Pontiac | Oakland | 85,279 | 76,715 | 71,166 | −7.2%  | 
| 15 | St. Clair Shores | Macomb | 88,093 | 76,210 | 68,107 | −10.6%  | 
| 16 | Southfield | Oakland | 69,298 | 75,608 | 75,745 | 0.2%  | 
| 17 | Royal Oak | Oakland | 86,238 | 70,893 | 65,410 | −7.7%  | 
| 18 | Dearborn Heights | Wayne | 80,069 | 67,706 | 60,838 | −10.1%  | 
| 19 | Troy | Oakland | 39,419 | 67,102 | 72,884 | 8.6%  | 
| 20 | Wyoming | Kent | 56,560 | 59,616 | 63,891 | 7.2%  | 
| 21 | Farmington Hills | Oakland | -- | 58,056 | 74,611 | 28.5% | 
| 22 | Roseville | Macomb | 60,529 | 54,311 | 51,412 | −5.3%  | 
| 23 | East Lansing | Ingham | 47,540 | 51,392 | 50,677 | −1.4%  | 
The following is a list of counties in Michigan with populations of at least 100,000 based on 1980 U.S. Census data. Historic census data from 1970 and 1990 are included to reflect trends in population increases or decreases. Counties that are part of the Detroit metropolitan area are shaded in tan.
| 1980 Rank  | County | Largest city | 1970 Pop. | 1980 Pop. | 1990 Pop. | Change 1980-90 | 
|---|---|---|---|---|---|---|
| 1 | Wayne | Detroit | 2,666,751 | 2,337,891 | 2,111,687 | −9.7%  | 
| 2 | Oakland | Pontiac | 907,871 | 1,011,793 | 1,083,592 | 7.1%  | 
| 3 | Macomb | Warren | 625,309 | 694,600 | 717,400 | 3.3%  | 
| 4 | Genesee | Flint | 444,341 | 450,449 | 430,459 | −4.4%  | 
| 5 | Kent | Grand Rapids | 411,044 | 444,506 | 500,631 | 12.6%  | 
| 6 | Ingham | Lansing | 261,039 | 275,520 | 281,912 | 2.3%  | 
| 7 | Washtenaw | Ann Arbor | 234,103 | 264,748 | 282,937 | 6.9%  | 
| 8 | Saginaw | Saginaw | 219,743 | 228,059 | 211,946 | −7.1%  | 
| 9 | Kalamazoo | Kalamazoo | 201,550 | 212,378 | 223,411 | 5.2%  | 
| 10 | Berrien | Benton Harbor | 163,875 | 171,276 | 161,378 | −5.8%  | 
| 11 | Muskegon | Muskegon | 157,426 | 157,589 | 158,983 | 0.9%  | 
| 12 | Ottawa | Holland | 128,181 | 157,174 | 187,768 | 19.5% | 
| 13 | Jackson | Jackson | 143,274 | 151,495 | 149,756 | −1.1%  | 
| 14 | Calhoun | Battle Creek | 141,963 | 141,557 | 135,982 | −3.9%  | 
| 15 | St. Clair | Port Huron | 120,175 | 138,802 | 145,607 | 4.9%  | 
| 16 | Monroe | Monroe | 118,479 | 134,659 | 133,600 | −0.8%  | 
| 17 | Bay | Bay City | 117,339 | 119,881 | 111,723 | −6.8%  | 
| 18 | Livingston | Howell | 58,967 | 100,289 | 115,645 | 15.3%  | 
The following is a list of major companies based in Michigan having at least $500 million in sales in 1989.
| Company | 1989 sales (millions) [28] | 1989 net earnings (millions) [28] | Headquarters | Core business | 
|---|---|---|---|---|
| General Motors | 126,974 | 4,224 | Detroit | Automobiles | 
| Ford Motor Company | 96,932 | 3,835 | Dearborn | Automobiles | 
| Chrysler | 36,156 | 359 | Highland Park | Automobiles | 
| Dow Chemical Company | 17,730 | 2,487 | Midland | Chemicals | 
| Whirlpool Corporation | 6,318 | 187 | Benton Harbor | Home appliances | 
| Kellogg Co. | 4,662 | 470 | Battle Creek | Cereal products | 
| Detroit Edison | 3,200 [29] | 389 [29] | Detroit | Electric utility | 
| Masco | 3,150 | 221 | Taylor | Home improvement and construction products | 
| Upjohn | 2,900 [30] | 176 [30] | Kalamazoo | Pharmaceutical | 
| Steelcase | 1,800 | na | Grand Rapids | Furniture | 
| Clark Equipment Company | 1,433 | 69 | Buchanan | Industrial and construction machinery and equipment | 
| Gerber Products Company | 1,190 | 81 | Fremont | Baby food | 
| Federal-Mogul | 1,084 | 33 | Southfield | automotive, commercial, aerospace, marine, rail and off-road vehicles | 
| Herman Miller | 799 | 45 | Zeeland | Furniture | 
| La-Z-Boy | 556 | 27 | Monroe | Furniture | 
| Haworth | >500 [31] | na | Holland | Furniture | 
| Consumers Power | Jackson | Natural gas utility |