Shawnee County Population 2018
Shawnee County's estimated population is 178,187 with a growth rate of 0.02% in the past year according to the most recent United States census data. Shawnee County is the 3rd largest county in Kansas.
| Year | Population | Growth | Growth Rate |
| 2017 | 178,187 | 33 | 0.02% |
| 2016 | 178,154 | -361 | -0.20% |
| 2015 | 178,515 | 28 | 0.02% |
| 2014 | 178,487 | -128 | -0.07% |
| 2013 | 178,615 | -328 | -0.18% |
| 2012 | 178,943 | 46 | 0.03% |
| 2011 | 178,897 | 545 | 0.31% |
| 2010 | 178,352 | 17,376 | 10.79% |
| 1990 | 160,976 | 6,060 | 3.91% |
| 1980 | 154,916 | -406 | -0.26% |
| 1970 | 155,322 | 14,036 | 9.93% |
| 1960 | 141,286 | 35,868 | 34.02% |
| 1950 | 105,418 | 14,171 | 15.53% |
| 1940 | 91,247 | 6,047 | 7.10% |
| 1930 | 85,200 | 16,041 | 23.19% |
| 1920 | 69,159 | 7,285 | 11.77% |
| 1910 | 61,874 | 8,147 | 15.16% |
| 1900 | 53,727 | 4,555 | 9.26% |
| 1890 | 49,172 | 20,079 | 69.02% |
| 1880 | 29,093 | 15,972 | 121.73% |
| 1870 | 13,121 | 9,608 | 273.50% |
| 1860 | 3,513 | 0.00% |