Spalding County Population 2018
Spalding County's estimated population is 65,380 with a growth rate of 1.28% in the past year according to the most recent United States census data. Spalding County is the 37th largest county in Georgia.
| Year | Population | Growth | Growth Rate |
| 2017 | 65,380 | 827 | 1.28% |
| 2016 | 64,553 | 725 | 1.14% |
| 2015 | 63,828 | 133 | 0.21% |
| 2014 | 63,695 | 190 | 0.30% |
| 2013 | 63,505 | -175 | -0.27% |
| 2012 | 63,680 | -341 | -0.53% |
| 2011 | 64,021 | -45 | -0.07% |
| 2010 | 64,066 | 9,609 | 17.65% |
| 1990 | 54,457 | 6,558 | 13.69% |
| 1980 | 47,899 | 8,385 | 21.22% |
| 1970 | 39,514 | 4,110 | 11.61% |
| 1960 | 35,404 | 4,359 | 14.04% |
| 1950 | 31,045 | 2,618 | 9.21% |
| 1940 | 28,427 | 4,932 | 20.99% |
| 1930 | 23,495 | 1,587 | 7.24% |
| 1920 | 21,908 | 2,167 | 10.98% |
| 1910 | 19,741 | 2,122 | 12.04% |
| 1900 | 17,619 | 4,502 | 34.32% |
| 1890 | 13,117 | 532 | 4.23% |
| 1880 | 12,585 | 2,380 | 23.32% |
| 1870 | 10,205 | 1,506 | 17.31% |
| 1860 | 8,699 | 0.00% |