Woodson County Population 2018
Woodson County's estimated population is 3,147 with a growth rate of -1.50% in the past year according to the most recent United States census data. Woodson County is the 79th largest county in Kansas.
| Year | Population | Growth | Growth Rate |
| 2017 | 3,147 | -48 | -1.50% |
| 2016 | 3,195 | 50 | 1.59% |
| 2015 | 3,145 | -43 | -1.35% |
| 2014 | 3,188 | -28 | -0.87% |
| 2013 | 3,216 | -59 | -1.80% |
| 2012 | 3,275 | -47 | -1.41% |
| 2011 | 3,322 | 13 | 0.39% |
| 2010 | 3,309 | -807 | -19.61% |
| 1990 | 4,116 | -484 | -10.52% |
| 1980 | 4,600 | -189 | -3.95% |
| 1970 | 4,789 | -634 | -11.69% |
| 1960 | 5,423 | -1,288 | -19.19% |
| 1950 | 6,711 | -1,303 | -16.26% |
| 1940 | 8,014 | -512 | -6.01% |
| 1930 | 8,526 | -458 | -5.10% |
| 1920 | 8,984 | -466 | -4.93% |
| 1910 | 9,450 | -572 | -5.71% |
| 1900 | 10,022 | 1,001 | 11.10% |
| 1890 | 9,021 | 2,486 | 38.04% |
| 1880 | 6,535 | 2,708 | 70.76% |
| 1870 | 3,827 | 2,339 | 157.19% |
| 1860 | 1,488 | 0.00% |