| County | FIP Cases | FAP Cases | MA Cases | CDC Cases |
| Alcona | 32 | 726 | 1040 | 15 |
| Alger | 21 | 537 | 930 | 13 |
| Allegan | 452 | 6301 | 10078 | 408 |
| Alpena | 225 | 2968 | 3949 | 180 |
| Antrim | 48 | 1419 | 2549 | 80 |
| Arenac | 74 | 1557 | 2112 | 81 |
| Baraga | 46 | 562 | 896 | 40 |
| Barry | 238 | 3504 | 4762 | 178 |
| Bay | 683 | 9195 | 11542 | 761 |
| Benzie | 35 | 1056 | 1768 | 58 |
| Berrien | 1415 | 13666 | 19278 | 986 |
| Branch | 388 | 3527 | 5007 | 219 |
| Calhoun | 1800 | 15752 | 18008 | 932 |
| Cass | 339 | 4106 | 5449 | 250 |
| Charlevoix | 43 | 1375 | 2302 | 96 |
| Cheboygan | 84 | 2086 | 3249 | 91 |
| Chippewa | 175 | 2588 | 3849 | 180 |
| Clare | 282 | 3714 | 4701 | 125 |
| Clinton | 128 | 2946 | 3991 | 169 |
| Crawford | 65 | 1234 | 1747 | 54 |
| Delta | 151 | 2928 | 4371 | 163 |
| Dickinson | 60 | 1639 | 2845 | 119 |
| Eaton | 271 | 5509 | 7686 | 406 |
| Emmet | 59 | 1992 | 3414 | 145 |
| Genesee | 6905 | 48742 | 55625 | 4243 |
| Gladwin | 168 | 2316 | 3152 | 103 |
| Gogebic | 197 | 1533 | 2036 | 50 |
| Grand Traverse | 149 | 5515 | 8187 | 383 |
| Gratiot | 176 | 2993 | 4572 | 180 |
| Hillsdale | 293 | 3373 | 5076 | 167 |
| Houghton | 92 | 2350 | 3420 | 91 |
| Huron | 109 | 2232 | 3617 | 109 |
| Ingham | 1724 | 26193 | 27589 | 1431 |
| Ionia | 299 | 4400 | 5959 | 227 |
| Iosco | 157 | 2781 | 3435 | 101 |
| Iron | 71 | 868 | 1589 | 38 |
| Isabella | 201 | 7993 | 5910 | 268 |
| Jackson | 1212 | 12711 | 17088 | 663 |
| Kalamazoo | 2089 | 22124 | 24515 | 1344 |
| Kalkaska | 65 | 1559 | 2298 | 81 |
| Kent | 4863 | 43474 | 61838 | 3476 |
| Keweenaw | 1 | 123 | 187 | 2 |
| Lake | 110 | 1504 | 1843 | 51 |
| Lapeer | 288 | 4724 | 7100 | 277 |
| Leelanau | 17 | 627 | 998 | 56 |
| Lenawee | 481 | 6623 | 9383 | 487 |
| Livingston | 243 | 5156 | 8109 | 250 |
| Luce | 35 | 524 | 885 | 19 |
| Mackinac | 28 | 593 | 1012 | 27 |
| Macomb | 3612 | 47220 | 66409 | 2748 |
| Manistee | 156 | 1973 | 2724 | 59 |
| Marquette | 200 | 4723 | 5897 | 249 |
| Mason | 145 | 2451 | 3433 | 200 |
| Mecosta | 168 | 5225 | 4760 | 155 |
| Menominee | 66 | 1678 | 2404 | 81 |
| Midland | 293 | 4965 | 7295 | 313 |
| Missaukee | 58 | 1039 | 1507 | 63 |
| Monroe | 769 | 8160 | 11523 | 477 |
| Montcalm | 224 | 5316 | 7337 | 204 |
| Montmorency | 40 | 985 | 1306 | 32 |
| Muskegon | 3240 | 21341 | 24280 | 1511 |
| Newaygo | 290 | 4305 | 6048 | 188 |
| Oakland | 3979 | 48847 | 73846 | 2638 |
| Oceana | 270 | 2468 | 3584 | 177 |
| Ogemaw | 171 | 2494 | 3090 | 156 |
| Ontonagon | 26 | 518 | 770 | 9 |
| Osceola | 102 | 2099 | 2920 | 101 |
| Oscoda | 44 | 1006 | 1223 | 29 |
| Otsego | 122 | 2094 | 2916 | 196 |
| Ottawa | 557 | 11157 | 16749 | 726 |
| Presque Isle | 37 | 865 | 1353 | 31 |
| Roscommon | 158 | 2807 | 3361 | 149 |
| Saginaw | 2617 | 21174 | 26281 | 1965 |
| St. Clair | 982 | 13466 | 16926 | 690 |
| St. Joseph | 426 | 5114 | 7528 | 273 |
| Sanilac | 195 | 3725 | 5086 | 185 |
| Schoolcraft | 50 | 621 | 1073 | 21 |
| Shiawassee | 401 | 5279 | 7523 | 323 |
| Tuscola | 275 | 3900 | 6362 | 221 |
| Van Buren | 535 | 6781 | 9632 | 362 |
| Washtenaw | 1214 | 17804 | 21274 | 1088 |
| Wayne | 30465 | 222743 | 267315 | 14802 |
| Wexford | 198 | 3409 | 4668 | 212 |
| x-Unassigned | 79 | 550 | 925 | 53 |
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