2014 Mid-winter Bald Eagle Counts
| Compared | % Immatures | Change in | ||||||
| Location | Adult | Sub-Adult | Immature | Unknown | Total | to 2013 | of known age | percentage |
| St. Croix River | ||||||||
| In Wisconsin | 10 | 1 | 4 | 0 | 15 | -1 | 33.3% | 21.8% |
| Wisconsin River | ||||||||
| Pettenwell to Ferry Bluff | 44 | 0 | 12 | 1 | 57 | 38 | 21.4% | 11.9% |
| South of Ferry Bluff | 26 | 0 | 13 | 3 | 42 | -216 | 33.3% | -3.8% |
| Wisconsin River Subtotal | 80 | 1 | 29 | 4 | 114 | -163 | 27.3% | -9.5% |
| Rock River/Pecatonica | 200 | 15 | 81 | 4 | 300 | 199 | 32.4% | -2.9% |
| Illinois River | ||||||||
| Hennepin & North | 28 | 2 | 5 | 0 | 35 | 25 | 20.0% | 0.0% |
| Henry | 13 | 0 | 1 | 0 | 14 | -8 | 7.1% | -2.0% |
| South to Peoria | 56 | 7 | 15 | 1 | 79 | -1 | 28.2% | -19.8% |
| Peoria to Havana | 118 | 13 | 26 | 4 | 161 | -83 | 24.8% | -11.5% |
| Havana to Beardstown | 15 | 1 | 3 | 0 | 19 | 19 | 21.1% | 21.1% |
| South to Grafton | 30 | 0 | 6 | 0 | 36 | 36 | 16.7% | 16.7% |
| Illinois River Subtotal | 260 | 23 | 56 | 5 | 344 | -12 | 23.3% | -13.3% |
| Mississippi River | ||||||||
| Lock & Dam # 2 & 3 | 13 | 3 | 5 | 2 | 23 | -16 | 38.1% | 20.2% |
| Lock & Dam # 4 & 5 | 18 | 2 | 8 | 2 | 30 | -3 | 35.7% | 1.8% |
| Lock & Dam # 5A & 6 | 2 | 0 | 0 | 0 | 2 | 0 | 0.0% | 0.0% |
| Lock & Dam # 7 & 8 | 4 | 1 | 2 | 1 | 8 | -4 | 42.9% | 22.9% |
| Lock & Dam # 9 & 10 | 0 | 0 | 0 | 0 | 0 | -20 | 0.0% | 30.4% |
| Inland | 3 | 0 | 0 | 0 | 3 | -4 | 0.0% | -28.6% |
| Lock & Dam # 11 & 12 | 33 | 15 | 0 | 0 | 48 | -71 | 31.3% | 13.7% |
| Sav. Army Depot & Iowa | 28 | 2 | 7 | 0 | 37 | -36 | 24.3% | -2.8% |
| Lock & Dam # 13 | 267 | 7 | 50 | 0 | 324 | 157 | 17.6% | -7.5% |
| Lock & Dam # 14 | 243 | 21 | 98 | 0 | 362 | 261 | 32.9% | -0.8% |
| Lock & Dam # 15 | 35 | 0 | 39 | 1 | 75 | -106 | 52.7% | 15.1% |
| Lock & Dam # 16 | 133 | 5 | 41 | 0 | 179 | 34 | 25.7% | 1.6% |
| Lock & Dam # 17 | 337 | 10 | 34 | 0 | 381 | 331 | 11.5% | -13.5% |
| Inland | 71 | 7 | 12 | 0 | 90 | 88 | 21.1% | 21.1% |
| Lock & Dam # 18 | 298 | 0 | 69 | 0 | 367 | -1405 | 18.8% | 7.9% |
| Lock & Dam # 19 | 26 | 9 | 2 | 57 | 94 | -97 | 29.7% | 8.1% |
| Lock & Dam # 20 | 65 | 59 | 30 | 18 | 172 | 64 | 57.8% | 25.2% |
| Lock & Dam # 21 & 22 | 208 | 0 | 40 | 0 | 248 | 206 | 16.1% | -22.4% |
| Lock & Dam # 24 & 25 | 303 | 0 | 101 | 19 | 423 | 406 | 25.0% | 7.4% |
| St. Louis and South | 73 | 0 | 29 | 2 | 104 | 82 | 28.4% | -14.5% |
| Miss. River Subtotal | 2160 | 141 | 567 | 102 | 2970 | -133 | 24.7% | 7.2% |
| Tennessee | NR | |||||||
| Kentucky | NR | |||||||
| Missouri River | NR | |||||||
| Louisiana | NR | |||||||
| 2014 Grand Totals | 2700 | 180 | 733 | 115 | 3728 | -179 | 25.3% | 3.9% |
| 2013 Grand Totals | 2972 | 45 | 763 | 127 | 3907 | 1935 | 21.4% | -4.7% |
| 2012 Grand Totals | 1381 | 69 | 419 | 103 | 1972 | -70 | 26.1% | -8.2% |
| 2011 Grand Totals | 1317 | 72 | 620 | 33 | 2042 | 475 | 34.4% | 10.3 |
| 2010 Grand Totals | 1134 | 56 | 304 | 73 | 1567 | -1263 | 24.1% | 2.9% |
| 2009 Grand Totals | 2192 | 97 | 491 | 50 | 2830 | -1222 | 21.2% | -2.4% |
| 2008 Grand Totals | 3018 | 96 | 837 | 101 | 4052 | 228 | 23.6% | 3.9% |