| Year | Membership | Deaths during year | Total cost to maintain | Paid to state by U.S. | Net cost to the state | ||
| Men | Women | Total | |||||
| 1888 | 55 | 15 | 70 | 4 | $5,330.58 | ----- | $5,330.58 |
| 1889 | 105 | 23 | 128 | 8 | 16,041.01 | $4,279.89 | 11,761.12 |
| 1890 | 143 | 73 | 216 | 10 | 19,843.27 | 5,731.81 | 14,111.46 |
| 1891 | 146 | 68 | 214 | 4 | 25,745.85 | 9,900.00 | 15,845.58 |
| 1892 | 171 | 83 | 254 | 10 | 28,834.28 | 11,925.00 | 16,909.28 |
| 1893 | 207 | 81 | 288 | 19 | 34,758.45 | 13,911.90 | 20,846.55 |
| 1894 | 219 | 92 | 311 | 14 | 41,496.41 | 17,291.31 | 24,205.10 |
| 1895 | 230 | 109 | 339 | 25 | 43,872.84 | 18,178.86 | 25,693.98 |
| 1896 | 240 | 124 | 364 | 28 | 47,617.99 | 18,706.77 | 28,911.22 |
| 1897 | 309 | 157 | 466 | 14 | 55,953.03 | 18,886.71 | 37,066.32 |
| 1898 | 312 | 193 | 535 | 17 | 68,787.41 | 24,410.31 | 41,377.10 |
| 1899 | 337 | 207 | 544 | 25 | 69,758.98 | 27,291.65 | 42,467.33 |
| 1900 | 403 | 277 | 680 | 43 | 79,754.97 | 19,625.39 | 60,129.58 |
| 1901 | 421 | 295 | 716 | 39 | 87,317.14 | 23,099.72 | 64,247.42 |
| 1902 | 397 | 306 | 703 | 34 | 81,136.66 | 26,737.25 | 54,399.41 |
| 1903 | 412 | 321 | 733 | 41 | 91,171.68 | 24,277.56 | 66,894.12 |
| 1904 | 390 | 310 | 700 | 49 | 98,402.97 | 27,522.68 | 70,880.29 |
| 1905 | 388 | 312 | 700 | 50 | 100,945.97 | 34,675.00 | 66,270.97 |
| 1906 | 369 | 323 | 692 | 56 | 104,550.09 | *32,029.73 | 72,520.36 |
| Total | ---- | ---- | ---- | 490 | 1,101,349.31 | 358,481.54 | 742,867.77 |