Township 1900 1940 1960 1980 1990 Elm 2,901 2,011 1,056 762 605 Grant 716 694 368 332 309 Jackson 939 625 326 208 176 Liberty 1,581 869 437 344 239 Lincoln 2,248 900 444 322 250 Medicine 895 775 458 328 209 Richland 1,041 655 292 263 249 Sherman 874 423 264 131 99 Union 3,057 2,422 2,104 2,266 2,053 Wilson 775 832 632 753 606 York 1,661 1,121 618 383 284 TOTAL 16,688 11,32 6,999 6,092 5,079
Source: U.S. Population Census