Midland County Population 2018
Midland County's estimated population is 83,411 with a growth rate of -0.03% in the past year according to the most recent United States census data. Midland County is the 24th largest county in Michigan.
| Year | Population | Growth | Growth Rate |
| 2017 | 83,411 | -22 | -0.03% |
| 2016 | 83,433 | -197 | -0.24% |
| 2015 | 83,630 | 209 | 0.25% |
| 2014 | 83,421 | -128 | -0.15% |
| 2013 | 83,549 | -101 | -0.12% |
| 2012 | 83,650 | -109 | -0.13% |
| 2011 | 83,759 | 106 | 0.13% |
| 2010 | 83,653 | 8,002 | 10.58% |
| 1990 | 75,651 | 2,073 | 2.82% |
| 1980 | 73,578 | 9,809 | 15.38% |
| 1970 | 63,769 | 12,319 | 23.94% |
| 1960 | 51,450 | 15,788 | 44.27% |
| 1950 | 35,662 | 8,568 | 31.62% |
| 1940 | 27,094 | 7,944 | 41.48% |
| 1930 | 19,150 | 1,913 | 11.10% |
| 1920 | 17,237 | 3,232 | 23.08% |
| 1910 | 14,005 | -434 | -3.01% |
| 1900 | 14,439 | 3,782 | 35.49% |
| 1890 | 10,657 | 3,764 | 54.61% |
| 1880 | 6,893 | 3,608 | 109.83% |
| 1870 | 3,285 | 2,498 | 317.41% |
| 1860 | 787 | 722 | 1110.77% |
| 1850 | 65 | 0.00% |