| District and county | Planted for all purposes | Harvested for grain | ||
| Acreage | Yield | Production | ||
| Acres | Bushels | |||
| Bureau | 3,100 | 3,000 | 60 | 180,000 |
| Carroll | 1,200 | 1,100 | 61 | 67,100 |
| Henry | 2,200 | 2,100 | 55 | 115,500 |
| Jo Daviess | 1/ | |||
| Lee | 2,600 | 2,500 | 58 | 145,000 |
| Mercer | 1,600 | 1,500 | 41 | 61,500 |
| Ogle | 5,600 | 5,500 | 60 | 330,000 |
| Putnam | 1/ | |||
| Rock Island | 1/ | |||
| Stephenson | 3,000 | 2,900 | 66 | 191,400 |
| Whiteside | 2,400 | 2,300 | 55 | 126,500 |
| Winnebago | 5,400 | 5,300 | 57 | 302,100 |
| NORTHWEST | 29,000 | 28,000 | 58 | 1,624,000 |
| Boone | 1,300 | 1,200 | 59 | 70,800 |
| Cook | 1/ | |||
| De Kalb | 4,500 | 4,200 | 60 | 252,000 |
| Du Page | 1/ | |||
| Grundy | 1/ | |||
| Kane | 6,500 | 6,200 | 64 | 396,800 |
| Kendall | 1,600 | 1,500 | 74 | 111,000 |
| Lake | 3,500 | 3,300 | 53 | 174,900 |
| La Salle | 2,600 | 2,500 | 52 | 130,000 |
| McHenry | 3,700 | 3,500 | 59 | 206,500 |
| Will | 11,300 | 10,900 | 66 | 719,400 |
| NORTHEAST | 37,000 | 35,000 | 62 | 2,170,000 |
| Adams | 26,100 | 25,500 | 47 | 1,198,500 |
| Brown | 6,300 | 6,200 | 48 | 297,600 |
| Fulton | 7,700 | 7,500 | 51 | 382,500 |
| Hancock | 11,300 | 11,100 | 48 | 532,800 |
| Henderson 2/ | 2,600 | 2,400 | 52 | 124,800 |
| Knox | 2,300 | 2,200 | 45 | 99,000 |
| McDonough | 2,300 | 2,000 | 48 | 96,000 |
| Schuyler | 10,400 | 10,100 | 48 | 484,800 |
| Warren 2/ | 1/ | |||
| WEST | 69,000 | 67,000 | 48 | 3,216,000 |
| De Witt | 1,700 | 1,600 | 64 | 102,400 |
| Logan | 1,500 | 1,400 | 59 | 82,600 |
| McLean | 2,400 | 2,300 | 63 | 144,900 |
| Macon | 1,300 | 1,200 | 53 | 63,600 |
| Marshall 3/ | 3,700 | 3,500 | 57 | 198,400 |
| Mason | 12,400 | 11,800 | 53 | 625,400 |
| Menard | 5,200 | 5,000 | 68 | 340,000 |
| Peoria | 5,900 | 5,700 | 51 | 290,700 |
| Stark 3/ | 1/ | |||
| Tazewell | 4,700 | 4,500 | 58 | 261,000 |
| Woodford | 3,200 | 3,000 | 57 | 171,000 |
| CENTRAL | 42,000 | 40,000 | 57 | 2,280,000 |
| Champaign | 3,300 | 3,200 | 68 | 217,600 |
| Ford | 3,100 | 3,000 | 65 | 195,000 |
| Iroquois | 6,300 | 6,100 | 70 | 427,000 |
| Kankakee | 8,600 | 8,400 | 69 | 579,600 |
| Livingston | 4,300 | 4,200 | 71 | 298,200 |
| Piatt | 1,100 | 1,000 | 52 | 52,000 |
| Vermilion | 4,300 | 4,100 | 66 | 270,600 |
| EAST | 31,000 | 30,000 | 68 | 2,040,000 |
| Bond | 34,600 | 33,400 | 50 | 1,670,000 |
| Calhoun | 4,200 | 4,000 | 51 | 204,000 |
| Cass | 5,000 | 4,800 | 49 | 235,200 |
| Christian | 7,600 | 7,300 | 56 | 408,800 |
| Greene | 12,400 | 12,000 | 47 | 564,000 |
| Jersey | 13,300 | 12,800 | 49 | 627,200 |
| Macoupin | 23,300 | 22,500 | 49 | 1,102,500 |
| Madison | 47,900 | 46,500 | 49 | 2,278,500 |
| Montgomery | 27,300 | 25,800 | 52 | 1,341,600 |
| Morgan | 6,300 | 5,800 | 58 | 336,400 |
| Pike | 20,000 | 19,400 | 56 | 1,086,400 |
| Sangamon | 5,100 | 4,900 | 58 | 284,200 |
| Scott | 7,000 | 6,800 | 54 | 367,200 |
| WEST SOUTHWEST | 214,000 | 206,000 | 51 | 10,506,000 |
| Clark | 13,600 | 13,000 | 51 | 663,000 |
| Clay | 31,500 | 30,600 | 42 | 1,285,200 |
| Coles | 4,600 | 4,500 | 57 | 256,500 |
| Crawford | 18,500 | 17,600 | 44 | 774,400 |
| Cumberland | 5,500 | 5,400 | 50 | 270,000 |
| Douglas 4/ | 1/ | |||
| Edgar | 6,300 | 6,100 | 55 | 335,500 |
| Effingham | 25,500 | 24,500 | 50 | 1,225,000 |
| Fayette | 42,600 | 40,800 | 44 | 1,795,200 |
| Jasper | 18,900 | 18,200 | 45 | 819,000 |
| Lawrence | 20,700 | 20,200 | 48 | 969,600 |
| Marion | 36,900 | 35,500 | 41 | 1,455,500 |
| Moultrie 4/ | 4,000 | 3,800 | 57 | 216,400 |
| Richland | 19,500 | 18,900 | 42 | 793,800 |
| Shelby | 28,900 | 27,900 | 51 | 1,422,900 |
| EAST SOUTHEAST | 277,000 | 267,000 | 46 | 12,282,000 |
| Alexander | 4,300 | 4,000 | 37 | 148,000 |
| Clinton | 43,600 | 41,600 | 48 | 1,996,800 |
| Jackson | 26,000 | 25,200 | 42 | 1,058,400 |
| Johnson | 1,600 | 1,500 | 50 | 75,000 |
| Monroe | 49,000 | 46,400 | 47 | 2,180,800 |
| Perry | 27,700 | 26,700 | 41 | 1,094,700 |
| Pulaski | 8,700 | 8,300 | 45 | 373,500 |
| Randolph | 48,400 | 46,700 | 45 | 2,101,500 |
| St. Clair | 54,700 | 52,800 | 49 | 2,587,200 |
| Union | 4,700 | 4,500 | 42 | 189,000 |
| Washington | 81,600 | 76,800 | 47 | 3,609,600 |
| Williamson | 2,700 | 2,500 | 35 | 87,500 |
| SOUTHWEST | 353,000 | 337,000 | 46 | 15,502,000 |
| Edwards | 13,000 | 12,500 | 42 | 525,000 |
| Franklin | 18,100 | 17,600 | 41 | 721,600 |
| Gallatin | 23,100 | 21,900 | 43 | 941,700 |
| Hamilton | 24,500 | 23,500 | 41 | 963,500 |
| Hardin | 1/ | |||
| Jefferson | 26,400 | 25,500 | 44 | 1,122,000 |
| Massac | 6,100 | 5,800 | 41 | 237,800 |
| Pope | 1/ | |||
| Saline | 10,300 | 10,000 | 48 | 480,000 |
| Wabash | 11,000 | 10,600 | 40 | 424,000 |
| Wayne | 29,700 | 28,400 | 41 | 1,164,400 |
| White | 35,100 | 33,700 | 41 | 1,381,700 |
| SOUTHEAST | 198,000 | 190,000 | 42 | 7,980,000 |
| ILLINOIS | 1,250,000 | 1,200,000 | 48 | 57,600,000 |
| 1/ Counties with less than 1,000 acres harvested for grain not published. | ||||
| 2/ Warren combined with Henderson. | ||||
| 3/ Stark combined with Marshall. | ||||
| 4/ Douglas combined with Moultrie | ||||
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