Davidson County Population 2018
Davidson County's estimated population is 691,243 with a growth rate of 0.34% in the past year according to the most recent United States census data. Davidson County is the 2nd largest county in Tennessee.
| Year | Population | Growth | Growth Rate |
| 2017 | 691,243 | 2,342 | 0.34% |
| 2016 | 688,901 | 7,616 | 1.12% |
| 2015 | 681,285 | 10,971 | 1.64% |
| 2014 | 670,314 | 10,446 | 1.58% |
| 2013 | 659,868 | 10,542 | 1.62% |
| 2012 | 649,326 | 13,724 | 2.16% |
| 2011 | 635,602 | 7,629 | 1.21% |
| 2010 | 627,973 | 117,189 | 22.94% |
| 1990 | 510,784 | 32,973 | 6.90% |
| 1980 | 477,811 | 29,808 | 6.65% |
| 1970 | 448,003 | 48,260 | 12.07% |
| 1960 | 399,743 | 77,985 | 24.24% |
| 1950 | 321,758 | 64,491 | 25.07% |
| 1940 | 257,267 | 34,413 | 15.44% |
| 1930 | 222,854 | 55,039 | 32.80% |
| 1920 | 167,815 | 18,337 | 12.27% |
| 1910 | 149,478 | 26,663 | 21.71% |
| 1900 | 122,815 | 14,641 | 13.53% |
| 1890 | 108,174 | 29,148 | 36.88% |
| 1880 | 79,026 | 16,129 | 25.64% |
| 1870 | 62,897 | 15,842 | 33.67% |
| 1860 | 47,055 | 8,173 | 21.02% |
| 1850 | 38,882 | 8,373 | 27.44% |
| 1840 | 30,509 | 2,387 | 8.49% |
| 1830 | 28,122 | 7,968 | 39.54% |
| 1820 | 20,154 | 4,546 | 29.13% |
| 1810 | 15,608 | 5,643 | 56.63% |
| 1800 | 9,965 | 6,506 | 188.09% |
| 1790 | 3,459 | 0.00% |