| County | FIP Cases | FAP Cases | MA Cases | CDC Cases |
| Alcona | 32 | 782 | 1,082 | 18 |
| Alger | 29 | 571 | 936 | 16 |
| Allegan | 433 | 6,535 | 10,149 | 351 |
| Alpena | 225 | 3,093 | 3,907 | 173 |
| Antrim | 51 | 1,552 | 2,553 | 74 |
| Arenac | 84 | 1,649 | 2,141 | 68 |
| Baraga | 54 | 589 | 903 | 35 |
| Barry | 219 | 3,659 | 4,805 | 175 |
| Bay | 721 | 9,725 | 11,722 | 764 |
| Benzie | 39 | 1,113 | 1,745 | 49 |
| Berrien | 1,536 | 14,056 | 19,074 | 962 |
| Branch | 392 | 3,662 | 5,005 | 213 |
| Calhoun | 1,786 | 16,053 | 18,130 | 930 |
| Cass | 341 | 4,185 | 5,402 | 236 |
| Charlevoix | 53 | 1,508 | 2,395 | 86 |
| Cheboygan | 105 | 2,243 | 3,275 | 84 |
| Chippewa | 180 | 2,781 | 3,815 | 163 |
| Clare | 298 | 3,859 | 4,689 | 120 |
| Clinton | 117 | 3,178 | 4,053 | 175 |
| Crawford | 55 | 1,299 | 1,777 | 53 |
| Delta | 158 | 3,075 | 4,363 | 157 |
| Dickinson | 54 | 1,678 | 2,839 | 115 |
| Eaton | 278 | 5,919 | 7,788 | 417 |
| Emmet | 54 | 2,147 | 3,349 | 124 |
| Genesee | 7,232 | 50,951 | 56,038 | 4,217 |
| Gladwin | 159 | 2,409 | 3,201 | 99 |
| Gogebic | 189 | 1,596 | 2,044 | 48 |
| Grand Traverse | 162 | 5,868 | 8,214 | 363 |
| Gratiot | 189 | 3,116 | 4,564 | 158 |
| Hillsdale | 303 | 3,484 | 5,132 | 154 |
| Houghton | 89 | 2,563 | 3,388 | 81 |
| Huron | 122 | 2,301 | 3,637 | 113 |
| Ingham | 1,820 | 27,823 | 27,608 | 1,407 |
| Ionia | 335 | 4,522 | 6,013 | 227 |
| Iosco | 170 | 2,917 | 3,481 | 91 |
| Iron | 77 | 920 | 1,568 | 36 |
| Isabella | 217 | 9,139 | 6,012 | 258 |
| Jackson | 1,298 | 13,295 | 17,139 | 699 |
| Kalamazoo | 2,251 | 23,749 | 24,715 | 1,408 |
| Kalkaska | 70 | 1,641 | 2,318 | 82 |
| Kent | 5,086 | 46,636 | 62,768 | 3,434 |
| Keweenaw | 3 | 123 | 186 | 1 |
| Lake | 117 | 1,569 | 1,831 | 46 |
| Lapeer | 349 | 5,042 | 7,327 | 257 |
| Leelanau | 21 | 692 | 1,053 | 48 |
| Lenawee | 499 | 6,907 | 9,444 | 445 |
| Livingston | 258 | 5,693 | 8,455 | 240 |
| Luce | 47 | 535 | 880 | 24 |
| Mackinac | 32 | 651 | 1,043 | 20 |
| Macomb | 4,033 | 51,462 | 68,583 | 2,672 |
| Manistee | 172 | 2,063 | 2,712 | 57 |
| Marquette | 199 | 5,077 | 5,969 | 241 |
| Mason | 149 | 2,542 | 3,401 | 196 |
| Mecosta | 171 | 5,484 | 4,756 | 145 |
| Menominee | 78 | 1,749 | 2,438 | 83 |
| Midland | 314 | 5,221 | 7,262 | 304 |
| Missaukee | 62 | 1,124 | 1,568 | 56 |
| Monroe | 807 | 8,658 | 11,700 | 478 |
| Montcalm | 227 | 5,488 | 7,392 | 192 |
| Montmorency | 44 | 1,036 | 1,305 | 31 |
| Muskegon | 3,409 | 22,161 | 24,536 | 1,575 |
| Newaygo | 320 | 4,468 | 6,095 | 183 |
| Oakland | 4,355 | 54,194 | 76,668 | 2,653 |
| Oceana | 305 | 2,542 | 3,470 | 129 |
| Ogemaw | 182 | 2,576 | 3,115 | 143 |
| Ontonagon | 27 | 545 | 762 | 13 |
| Osceola | 114 | 2,166 | 2,956 | 103 |
| Oscoda | 40 | 1,000 | 1,209 | 31 |
| Otsego | 127 | 2,176 | 2,900 | 190 |
| Ottawa | 557 | 12,241 | 16,832 | 695 |
| Presque Isle | 44 | 908 | 1,383 | 28 |
| Roscommon | 187 | 2,927 | 3,362 | 132 |
| Saginaw | 2,683 | 22,042 | 26,512 | 1,946 |
| St. Clair | 1,069 | 13,880 | 17,105 | 667 |
| St. Joseph | 423 | 5,330 | 7,585 | 282 |
| Sanilac | 208 | 3,882 | 5,086 | 174 |
| Schoolcraft | 42 | 659 | 1,057 | 23 |
| Shiawassee | 428 | 5,656 | 7,676 | 307 |
| Tuscola | 282 | 4,094 | 6,399 | 213 |
| Van Buren | 550 | 6,971 | 9,568 | 301 |
| Washtenaw | 1,295 | 19,330 | 21,857 | 1,139 |
| Wayne | 31,901 | 234,303 | 271,658 | 14,075 |
| Wexford | 214 | 3,534 | 4,693 | 214 |
| x-Unassigned | 78 | 486 | 922 | 44 |
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