Caroline County Population 2018
Caroline County's estimated population is 33,193 with a growth rate of 0.93% in the past year according to the most recent United States census data. Caroline County is the 20th largest county in Maryland.
| Year | Population | Growth | Growth Rate |
| 2017 | 33,193 | 306 | 0.93% |
| 2016 | 32,887 | 267 | 0.82% |
| 2015 | 32,620 | 62 | 0.19% |
| 2014 | 32,558 | -108 | -0.33% |
| 2013 | 32,666 | 23 | 0.07% |
| 2012 | 32,643 | -255 | -0.78% |
| 2011 | 32,898 | -158 | -0.48% |
| 2010 | 33,056 | 6,021 | 22.27% |
| 1990 | 27,035 | 3,892 | 16.82% |
| 1980 | 23,143 | 3,362 | 17.00% |
| 1970 | 19,781 | 319 | 1.64% |
| 1960 | 19,462 | 1,228 | 6.73% |
| 1950 | 18,234 | 685 | 3.90% |
| 1940 | 17,549 | 162 | 0.93% |
| 1930 | 17,387 | -1,265 | -6.78% |
| 1920 | 18,652 | -564 | -2.94% |
| 1910 | 19,216 | 2,968 | 18.27% |
| 1900 | 16,248 | 2,345 | 16.87% |
| 1890 | 13,903 | 137 | 1.00% |
| 1880 | 13,766 | 1,665 | 13.76% |
| 1870 | 12,101 | 972 | 8.73% |
| 1860 | 11,129 | 1,437 | 14.83% |
| 1850 | 9,692 | 1,886 | 24.16% |
| 1840 | 7,806 | -1,264 | -13.94% |
| 1830 | 9,070 | -1,038 | -10.27% |
| 1820 | 10,108 | 655 | 6.93% |
| 1810 | 9,453 | 227 | 2.46% |
| 1800 | 9,226 | -280 | -2.95% |
| 1790 | 9,506 | 0.00% |