Crawford County Population 2018
Crawford County's estimated population is 17,056 with a growth rate of 0.12% in the past year according to the most recent United States census data. Crawford County is the 44th largest county in Iowa.
| Year | Population | Growth | Growth Rate |
| 2017 | 17,056 | 20 | 0.12% |
| 2016 | 17,036 | 5 | 0.03% |
| 2015 | 17,031 | -136 | -0.79% |
| 2014 | 17,167 | -198 | -1.14% |
| 2013 | 17,365 | 42 | 0.24% |
| 2012 | 17,323 | 99 | 0.57% |
| 2011 | 17,224 | 66 | 0.38% |
| 2010 | 17,158 | 383 | 2.28% |
| 1990 | 16,775 | -2,160 | -11.41% |
| 1980 | 18,935 | 155 | 0.83% |
| 1970 | 18,780 | 211 | 1.14% |
| 1960 | 18,569 | -1,172 | -5.94% |
| 1950 | 19,741 | -797 | -3.88% |
| 1940 | 20,538 | -490 | -2.33% |
| 1930 | 21,028 | 414 | 2.01% |
| 1920 | 20,614 | 573 | 2.86% |
| 1910 | 20,041 | -1,644 | -7.58% |
| 1900 | 21,685 | 2,791 | 14.77% |
| 1890 | 18,894 | 6,481 | 52.21% |
| 1880 | 12,413 | 9,883 | 390.63% |
| 1870 | 2,530 | 2,147 | 560.57% |
| 1860 | 383 | 0.00% |