| AAA | International League | Buffalo Bisons | Coca-Cola Field | Buffalo,New York | TOR | 535,275 | 7 | 536,052 |
| AAA | International League | Charlotte Knights | | Charlotte,North Carolina | CHA | 687,715 | 1 | 288,465 |
| AAA | International League | Columbus Clippers | Huntington Park | Columbus,Ohio | CLE | 628,980 | 3 | 628,132 |
| AAA | International League | Durham Bulls | Durham Bulls Athletic Park | Durham,North Carolina | TBA | 533,033 | 8 | 486,694 |
| AAA | International League | Gwinnett Braves | Coolray Field | Gwinnett,Georgia | ATL | 303,959 | 13 | 352,749 |
| AAA | International League | Indianapolis Indians | Victory Field | Indianapolis,Indiana | PIT | 660,289 | 2 | 586,445 |
| AAA | International League | Lehigh Valley IronPigs | Coca-Cola Park | Allentown,Pennsylvania | PHI | 614,888 | 4 | 630,332 |
| AAA | International League | Louisville Bats | Louisville Slugger Field | Louisville,Kentucky | CIN | 567,256 | 5 | 595,607 |
| AAA | International League | Norfolk Tides | Harbor Park | Norfolk,Virginia | BAL | 358,147 | 12 | 389,835 |
| AAA | International League | Pawtucket Red Sox | McCoy Stadium | Pawtucket,Rhode Island | BOS | 515,665 | 9 | 571,575 |
| AAA | International League | Rochester Red Wings | Frontier Field | Rochester,New York | MIN | 422,454 | 10 | 441,425 |
| AAA | International League | Scranton/Wilkes-Barre RailRiders | PNC Field | Scranton,Pennsylvania | NYA | 401,618 | 11 | 340,745 |
| AAA | International League | Syracuse Chiefs | NBT Bank Stadium | Syracuse,New York | WAS | 247,046 | 14 | 375,531 |
| AAA | International League | Toledo Mud Hens | Fifth Third Field | Toledo,Ohio | DET | 545,265 | 6 | 555,503 |
| AAA | Pacific Coast League | Albuquerque Isotopes | Isotopes Park | Albuquerque,New Mexico | LAN | 564,625 | 3 | 577,508 |
| AAA | Pacific Coast League | Colorado Springs Sky Sox | Security Service Field | Colorado Springs,Colorado | COL | 350,374 | 12 | 325,563 |
| AAA | Pacific Coast League | El Paso Chihuahuas | | El Paso,Texas | SDN | 560,997 | 4 | -- |
| AAA | Pacific Coast League | Fresno Grizzlies | Chukchansi Park | Fresno,California | SFN | 467,862 | 7 | 483,101 |
| AAA | Pacific Coast League | Iowa Cubs | Principal Park | Des Moines,Iowa | CHN | 492,060 | 5 | 507,299 |
| AAA | Pacific Coast League | Las Vegas 51s | Cashman Field | Las Vegas,Nevada | NYN | 329,429 | 14 | 325,538 |
| AAA | Pacific Coast League | Memphis Redbirds | AutoZone Park | Memphis,Tennessee | SLN | 381,429 | 10 | 484,480 |
| AAA | Pacific Coast League | Nashville Sounds | Herschel Greer Stadium | Nashville,Tennessee | MIL | 323,961 | 15 | 327,171 |
| AAA | Pacific Coast League | New Orleans Zephyrs | Zephyr Field | New Orleans,Louisiana | MIA | 348,796 | 13 | 358,053 |
| AAA | Pacific Coast League | Oklahoma City RedHawks | Chickasaw Bricktown Ballpark | Oklahoma City,Oklahoma | HOU | 429,190 | 8 | 388,634 |
| AAA | Pacific Coast League | Omaha Storm Chasers | Werner Park | Omaha,Nebraska | KCA | 393,946 | 9 | 398,851 |
| AAA | Pacific Coast League | Reno Aces | Aces Ballpark | Reno,Nevada | ARI | 379,439 | 11 | 417,169 |
| AAA | Pacific Coast League | Round Rock Express | Dell Diamond | Round Rock,Texas | TEX | 595,700 | 2 | 605,354 |
| AAA | Pacific Coast League | Sacramento River Cats | Raley Field | Sacramento,California | OAK | 607,839 | 1 | 621,746 |
| AAA | Pacific Coast League | Salt Lake Bees | Spring Mobile Ballpark | Salt Lake City,Utah | ANA | 470,565 | 6 | 497,486 |
| AAA | Pacific Coast League | Tacoma Rainiers | Cheney Stadium | Tacoma,Washington | SEA | 305,446 | 16 | 350,835 |
| AA | Eastern League | Akron RubberDucks | Canal Park | Akron,Ohio | CLE | 350,704 | 5 | 279,319 |
| AA | Eastern League | Altoona Curve | Peoples Natural Gas Field | Altoona,Pennsylvania | PIT | 275,823 | 8 | 280,942 |
| AA | Eastern League | Binghamton Mets | NYSEG Stadium | Binghamton,New York | NYN | 171,279 | 12 | 201,083 |
| AA | Eastern League | Bowie Baysox | Prince George's Stadium | Bowie,Maryland | BAL | 248,630 | 10 | 251,205 |
| AA | Eastern League | Erie SeaWolves | Jerry Uht Park | Erie,Pennsylvania | DET | 209,299 | 11 | 217,487 |
| AA | Eastern League | Harrisburg Senators | Metro Bank Park | Harrisburg,Pennsylvania | WAS | 273,645 | 9 | 303,516 |
| AA | Eastern League | New Britain Rock Cats | New Britain Stadium | New Britain,Connecticut | MIN | 302,865 | 7 | 353,094 |
| AA | Eastern League | New Hampshire Fisher Cats | Northeast Delta Dental Stadium | Manchester,New Hampshire | TOR | 340,299 | 6 | 379,050 |
| AA | Eastern League | Portland Sea Dogs | Hadlock Field | Portland,Maine | BOS | 359,427 | 4 | 387,467 |
| AA | Eastern League | Reading Fightin Phils | FirstEnergy Stadium | Reading,Pennsylvania | PHI | 394,458 | 2 | 395,837 |
| AA | Eastern League | Richmond Flying Squirrels | The Diamond | Richmond,Virginia | SFN | 418,147 | 1 | 446,033 |
| AA | Eastern League | Trenton Thunder | Mercer County Waterfront Park | Trenton,New Jersey | NYA | 361,369 | 3 | 373,699 |
| AA | Southern League | Birmingham Barons | Regions Park | Birmingham,Alabama | CHA | 437,612 | 1 | 285,157 |
| AA | Southern League | Chattanooga Lookouts | AT&T Field | Chattanooga,Tennessee | LAN | 242,627 | 6 | 226,101 |
| AA | Southern League | Huntsville Stars | Joe W. Davis Stadium | Huntsville,Alabama | MIL | 94,929 | 10 | 106,511 |
| AA | Southern League | Jackson Generals | Pringles Park | Jackson,Tennessee | SEA | 135,248 | 8 | 119,748 |
| AA | Southern League | Jacksonville Suns | Baseball Grounds of Jacksonville | Jacksonville,Florida | MIA | 300,538 | 3 | 274,127 |
| AA | Southern League | Mississippi Braves | Trustmark Park | Jackson,Mississippi | ATL | 211,200 | 7 | 226,616 |
| AA | Southern League | Mobile BayBears | Hank Aaron Stadium | Mobile,Alabama | ARI | 106,297 | 9 | 176,315 |
| AA | Southern League | Montgomery Biscuits | Montgomery Riverwalk Stadium | Montgomery,Alabama | TBA | 244,534 | 5 | 242,597 |
| AA | Southern League | Pensacola Blue Wahoos | Pensacola Bayfront Stadium | Pensacola,Florida | CIN | 311,687 | 2 | 317,621 |
| AA | Southern League | Tennessee Smokies | Smokies Park | Knoxville,Tennessee | CHN | 283,038 | 4 | 258,286 |
| AA | Texas League | Arkansas Travelers | Dickey-Stephens Park | Little Rock,Arkansas | ANA | 326,179 | 5 | 315,031 |
| AA | Texas League | Corpus Christi Hooks | Whataburger Field | Corpus Christi,Texas | HOU | 393,769 | 3 | 403,889 |
| AA | Texas League | Frisco RoughRiders | Dr. Pepper Ballpark | Frisco,Texas | TEX | 449,773 | 1 | 515,099 |
| AA | Texas League | Midland RockHounds | Citibank Ballpark | Midland,Texas | OAK | 299,586 | 7 | 298,925 |
| AA | Texas League | Northwest Arkansas Naturals | Arvest Ballpark | Springdale,Arkansas | KCA | 319,109 | 6 | 317,808 |
| AA | Texas League | San Antonio Missions | Nelson W. Wolff Municipal Stadium | San Antonio,Texas | SDN | 294,539 | 8 | 296,049 |
| AA | Texas League | Springfield Cardinals | Hammons Field | Springfield,Missouri | SLN | 354,227 | 4 | 357,628 |
| AA | Texas League | Tulsa Drillers | ONEOK Field | Tulsa,Oklahoma | COL | 403,732 | 2 | 371,413 |
| A+ | California League | Bakersfield Blaze | Sam Lynn Ballpark | Bakersfield,California | CIN | 57,057 | 10 | 54,069 |
| A+ | California League | High Desert Mavericks | Stater Bros. Stadium | Victorville,California | SEA | 147,231 | 8 | 111,230 |
| A+ | California League | Inland Empire 66ers | San Manuel Stadium | San Bernardino,California | ANA | 195,841 | 3 | 186,394 |
| A+ | California League | Lake Elsinore Storm | Lake Elsinore Diamond | Lake Elsinore,California | SDN | 220,069 | 1 | 224,728 |
| A+ | California League | Lancaster Jethawks | Clear Channel Stadium | Lancaster,California | HOU | 170,532 | 6 | 152,953 |
| A+ | California League | Modesto Nuts | John Thurman Field | Modesto,California | COL | 172,902 | 5 | 176,494 |
| A+ | California League | Rancho Cucamonga Quakes | LoanMart Field | Rancho Cucamonga,California | LAN | 166,993 | 7 | 181,277 |
| A+ | California League | San Jose Giants | San Jose Municipal Stadium | San Jose,California | SFN | 200,124 | 2 | 209,326 |
| A+ | California League | Stockton Ports | Banner Island Ballpark | Stockton,California | OAK | 195,500 | 4 | 199,678 |
| A+ | California League | Visalia Rawhide | Recreation Park | Visalia,California | ARI | 120,003 | 9 | 113,219 |
| A+ | Carolina League | Carolina Mudcats | Five County Stadium | Zebulon,North Carolina | CLE | 215,149 | 7 | 225,157 |
| A+ | Carolina League | Frederick Keys | Harry Grove Stadium | Frederick,Maryland | BAL | 324,446 | 1 | 303,430 |
| A+ | Carolina League | Lynchburg Hillcats | Calvin Falwell Field | Lynchburg,Virginia | ATL | 158,750 | 8 | 160,331 |
| A+ | Carolina League | Myrtle Beach Pelicans | TicketReturn.com Field at Pelicans Ballpark | Myrtle Beach,South Carolina | TEX | 241,026 | 5 | 223,468 |
| A+ | Carolina League | Potomac Nationals | G. Richard Pfitzner Stadium | Woodbridge,Virginia | WAS | 243,559 | 4 | 197,123 |
| A+ | Carolina League | Salem Red Sox | Lewis-Gale Field at Salem Memorial Ballpark | Salem,Virginia | BOS | 220,782 | 6 | 204,015 |
| A+ | Carolina League | Wilmington Blue Rocks | Daniel S. Frawley Stadium | Wilmington,Delaware | KCA | 278,316 | 3 | 290,637 |
| A+ | Carolina League | Winston-Salem Dash | BB&T Ballpark | Winston-Salem,North Carolina | CHA | 299,645 | 2 | 257,855 |
| A+ | Florida State League | Bradenton Marauders | McKechnie Field | Bradenton,Florida | PIT | 104,584 | 6 | 91,802 |
| A+ | Florida State League | Brevard County Manatees | Space Coast Stadium | Viera,Florida | MIL | 78,465 | 8 | 87,796 |
| A+ | Florida State League | Charlotte Stone Crabs | Charlotte Sports Park | Port Charlotte,Florida | TBA | 118,430 | 4 | 146,910 |
| A+ | Florida State League | Clearwater Threshers | Bright House Field | Clearwater,Florida | PHI | 195,063 | 1 | 173,768 |
| A+ | Florida State League | Daytona Cubs | | Daytona Beach,Florida | CHN | 143,273 | 2 | 148,363 |
| A+ | Florida State League | Dunedin Blue Jays | Florida Auto Exchange Stadium | Dunedin,Florida | TOR | 60,044 | 12 | 43,902 |
| A+ | Florida State League | Fort Myers Miracle | Hammond Stadium | Fort Myers,Florida | MIN | 119,102 | 3 | 118,741 |
| A+ | Florida State League | Jupiter Hammerheads | Roger Dean Stadium | Jupiter,Florida | MIA | 71,713 | 10 | 71,315 |
| A+ | Florida State League | Lakeland Flying Tigers | Joker Marchant Stadium | Lakeland,Florida | DET | 64,396 | 11 | 59,101 |
| A+ | Florida State League | Palm Beach Cardinals | Roger Dean Stadium | West Palm Beach,Florida | SLN | 74,887 | 9 | 68,005 |
| A+ | Florida State League | St. Lucie Mets | Digital Domain Park | Port St. Lucie,Florida | NYN | 94,650 | 7 | 98,521 |
| A+ | Florida State League | Tampa Yankees | George M. Steinbrenner Field | Tampa,Florida | NYA | 111,521 | 5 | 108,201 |
| A | Midwest League | Beloit Snappers | Harry C. Pohlman Field | Beloit,Wisconsin | OAK | 63,505 | 16 | 70,763 |
| A | Midwest League | Bowling Green Hot Rods | Bowling Green Ballpark | Bowling Green,Kentucky | TBA | 180,350 | 12 | 230,996 |
| A | Midwest League | Burlington Bees | Community Field | Burlington,Iowa | ANA | 70,649 | 15 | 60,084 |
| A | Midwest League | Cedar Rapids Kernels | Veterans Memorial Stadium | Cedar Rapids,Iowa | MIN | 171,011 | 13 | 170,532 |
| A | Midwest League | Clinton LumberKings | Ashford University Field | Clinton,Iowa | SEA | 111,329 | 14 | 114,422 |
| A | Midwest League | Dayton Dragons | Fifth Third Field | Dayton,Ohio | CIN | 573,709 | 1 | 584,829 |
| A | Midwest League | Fort Wayne TinCaps | Parkview Field | Fort Wayne,Indiana | SDN | 406,715 | 3 | 391,924 |
| A | Midwest League | Great Lakes Loons | Dow Diamond | Midland,Michigan | LAN | 230,019 | 9 | 258,014 |
| A | Midwest League | Kane County Cougars | Fifth Third Bank Ballpark | Geneva,Illinois | CHN | 415,571 | 2 | 407,677 |
| A | Midwest League | Lake County Captains | Classic Park | Eastlake,Ohio | CLE | 226,454 | 10 | 254,969 |
| A | Midwest League | Lansing Lugnuts | Cooley Law School Stadium | Lansing,Michigan | TOR | 338,249 | 5 | 346,621 |
| A | Midwest League | Peoria Chiefs | O'Brien Field | Peoria,Illinois | SLN | 217,632 | 11 | 201,900 |
| A | Midwest League | Quad Cities River Bandits | Modern Woodmen Park | Davenport,Iowa | HOU | 237,005 | 8 | 229,935 |
| A | Midwest League | South Bend Silverhawks | Stanley Covelski Regional Stadium | South Bend,Indiana | ARI | 258,836 | 6 | 164,964 |
| A | Midwest League | West Michigan Whitecaps | Fifth Third Ballpark | Grand Rapids,Michigan | DET | 391,653 | 4 | 368,255 |
| A | Midwest League | Wisconsin Timber Rattlers | Time Warner Cable Field at Fox Cities Stadium | Oshkosh,Wisconsin | MIL | 250,131 | 7 | 244,203 |
| A | South Atlantic League | Asheville Tourists | McCormick Field | Asheville,North Carolina | COL | 174,893 | 8 | 156,600 |
| A | South Atlantic League | Augusta GreenJackets | Lake Olmstead Stadium | Augusta,Georgia | SFN | 169,194 | 9 | 191,040 |
| A | South Atlantic League | Charleston (sc) RiverDogs | Joseph P. Riley, Jr. Park | Charleston,South Carolina | NYA | 280,075 | 5 | 268,150 |
| A | South Atlantic League | Delmarva Shorebirds | Arthur W. Perdue Stadium | Salisbury,Maryland | BAL | 210,130 | 6 | 217,117 |
| A | South Atlantic League | Greensboro Grasshoppers | NewBridge Bank Park | Greensboro,North Carolina | MIA | 369,170 | 2 | 380,726 |
| A | South Atlantic League | Greenville Drive | Fluor Field at the West End | Greenville,South Carolina | BOS | 346,187 | 3 | 329,616 |
| A | South Atlantic League | Hagerstown Suns | Municipal Stadium | Hagerstown,Maryland | WAS | 61,683 | 14 | 107,719 |
| A | South Atlantic League | Hickory Crawdads | L. P. Frans Stadium | Hickory,North Carolina | TEX | 148,414 | 10 | 135,837 |
| A | South Atlantic League | Kannapolis Intimidators | CMC-NorthEast Stadium | Kannapolis,North Carolina | CHA | 119,377 | 13 | 130,592 |
| A | South Atlantic League | Lakewood BlueClaws | FirstEnergy Park | Lakewood,New Jersey | PHI | 380,573 | 1 | 410,731 |
| A | South Atlantic League | Lexington Legends | Whitaker Bank Ballpark | Lexington,Kentucky | KCA | 282,158 | 4 | 310,369 |
| A | South Atlantic League | Rome Braves | State Mutual Stadium | Rome,Georgia | ATL | 177,531 | 7 | 183,233 |
| A | South Atlantic League | Savannah Sand Gnats | Grayson Stadium | Savannah,Georgia | NYN | 124,013 | 12 | 123,164 |
| A | South Atlantic League | West Virginia Power | Appalachian Power Park | Charleston,West Virginia | PIT | 140,484 | 11 | 164,621 |
| A- | New York-Penn League | Aberdeen IronBirds | Ripken Stadium | Aberdeen,Maryland | BAL | 150,300 | 5 | 233,379 |
| A- | New York-Penn League | Auburn Doubledays | Falcon Park II | Auburn,New York | WAS | 44,640 | 12 | 51,247 |
| A- | New York-Penn League | Batavia Muckdogs | Dwyer Stadium | Batavia,New York | MIA | 33,376 | 13 | 35,320 |
| A- | New York-Penn League | Brooklyn Cyclones | MCU Park | Brooklyn,New York | NYN | 231,628 | 1 | 250,973 |
| A- | New York-Penn League | Connecticut Tigers | Senator Thomas J. Dodd Memorial Stadium | Norwich,Connecticut | DET | 78,118 | 10 | 59,918 |
| A- | New York-Penn League | Hudson Valley Renegades | Dutchess Stadium | Wappingers Falls,New York | TBA | 159,084 | 4 | 159,110 |
| A- | New York-Penn League | Jamestown Jammers | Russell Diethrick Park | Jamestown,New York | PIT | 24,246 | 14 | 41,376 |
| A- | New York-Penn League | Lowell Spinners | Edward A. LeLacheur Park | Lowell,Massachusetts | BOS | 165,129 | 2 | 175,971 |
| A- | New York-Penn League | Mahoning Valley Scrappers | Eastwood Field | Niles,Ohio | CLE | 109,545 | 8 | 114,183 |
| A- | New York-Penn League | State College Spikes | Medlar Field at Lubrano Park | State College,Pennsylvania | SLN | 134,927 | 6 | 137,045 |
| A- | New York-Penn League | Staten Island Yankees | Richmond County Bank Ballpark | Staten Island,New York | NYA | 122,442 | 7 | 175,565 |
| A- | New York-Penn League | Tri City ValleyCats | Joseph L. Bruno Stadium | Troy,New York | HOU | 161,171 | 3 | 154,853 |
| A- | New York-Penn League | Vermont Lake Monsters | Centennial Field | Burlington,Vermont | OAK | 84,091 | 9 | 86,565 |
| A- | New York-Penn League | Williamsport Crosscutters | Bowman Field | Williamsport,Pennsylvania | PHI | 61,249 | 11 | 65,796 |
| A- | Northwest League | Boise Hawks | Memorial Stadium | Boise,Idaho | CHN | 87,519 | 7 | 98,161 |
| A- | Northwest League | Eugene Emeralds | PK Park | Eugene,Oregon | SDN | 108,067 | 4 | 115,065 |
| A- | Northwest League | Everett Aqua Sox | Everett Memorial Stadium | Everett,Washington | SEA | 92,642 | 6 | 92,954 |
| A- | Northwest League | Hillsboro Hops | Hillsboro Ballpark | Hillsboro,Oregon | ARI | 138,732 | 3 | 135,167 |
| A- | Northwest League | Salem-Keizer Volcanoes | Volcanoes Stadium | Keizer,Oregon | SFN | 95,083 | 5 | 101,718 |
| A- | Northwest League | Spokane Indians | Avista Stadium | Spokane,Washington | TEX | 193,865 | 1 | 180,187 |
| A- | Northwest League | Tri-City Dust Devils | Gesa Stadium | Pasco,Washington | COL | 85,679 | 8 | 85,031 |
| A- | Northwest League | Vancouver Canadians | Nat Bailey Stadium | Vancouver,British Columbia | TOR | 180,187 | 2 | 162,911 |
| Rk | Appalachian League | Bluefield Blue Jays | Bowen Field | Bluefield,West Virginia | TOR | 26,446 | 7 | 27,179 |
| Rk | Appalachian League | Bristol Pirates | Devault Memorial Stadium | Bristol,Virginia | PIT | 25,743 | 9 | 21,508 |
| Rk | Appalachian League | Burlington Royals | Burlington Athletic Stadium | Burlington,North Carolina | KCA | 40,497 | 2 | 30,804 |
| Rk | Appalachian League | Danville Braves | American Legion Field | Danville,Virginia | ATL | 30,385 | 5 | 29,532 |
| Rk | Appalachian League | Elizabethton Twins | Joe O'Brien Field | Elizabethton,Tennessee | MIN | 26,590 | 6 | 26,298 |
| Rk | Appalachian League | Greeneville Astros | Pioneer Park | Greeneville,Tennessee | HOU | 48,619 | 1 | 45,839 |
| Rk | Appalachian League | Johnson City Cardinals | Howard Johnson Field | Johnson City,Tennessee | SLN | 40,351 | 3 | 24,818 |
| Rk | Appalachian League | Kingsport Mets | Hunter Wright Stadium | Kingsport,Tennessee | NYN | 30,464 | 4 | 28,877 |
| Rk | Appalachian League | Princeton Rays | H.P. Hunnicut Field | Princeton,West Virginia | TBA | 24,848 | 10 | 26,259 |
| Rk | Appalachian League | Pulaski Mariners | Calfee Park | Pulaski,Virginia | SEA | 26,160 | 8 | 28,851 |
| Rk | Pioneer League | Billings Mustangs | Dehler Park | Billings,Montana | CIN | 105,358 | 2 | 106,918 |
| Rk | Pioneer League | Grand Junction Rockies | Suplizio Field | Grand Junction,Colorado | COL | 81,382 | 5 | 94,466 |
| Rk | Pioneer League | Great Falls Voyagers | Centene Stadium | Great Falls,Montana | CHA | 49,520 | 7 | 69,031 |
| Rk | Pioneer League | Helena Brewers | Kindrick Field | Helena,Montana | MIL | 30,764 | 8 | 34,126 |
| Rk | Pioneer League | Idaho Falls Chukars | Melaleuca Field | Idaho Falls,Idaho | KCA | 79,895 | 6 | 93,388 |
| Rk | Pioneer League | Missoula Osprey | Ogren Park at Allegiance Field | Missoula,Montana | ARI | 84,429 | 3 | 86,038 |
| Rk | Pioneer League | Ogden Raptors | Lindquist Field | Ogden,Utah | LAN | 108,504 | 1 | 131,599 |
| Rk | Pioneer League | Orem Owlz | Brent Brown Ballpark | Orem,Utah | ANA | 83,179 | 4 | 91,037 |
