Number of Chlamydia Cases by Race and Health Department of Residence,
Michigan Residents 2024

Health Department Total Non-Hispanic
White
Non-Hispanic
Black
Hispanic Multiracial
or Other Race
Not Reported
Michigan 38,792 10,475 18,505 2,461 2,852 4,499
Allegan County 229 150 20 24 14 21
Barry-Eaton District 368 198 73 25 31 41
Bay County 234 158 28 20 5 23
Benzie-Leelanau District 33 26 1 3 - 3
Berrien County 709 171 397 42 19 80
Branch-Hillsdale-St. Joseph 351 219 24 49 22 37
Calhoun County 794 301 285 55 82 71
Central Michigan District 345 252 27 10 17 39
Chippewa County 77 25 5 2 37 8
City Of Detroit 9,173 232 6,637 310 692 1,302
Dickinson-Iron District 36 33 1 - - 2
District #10 516 413 30 47 12 14
District #2 61 55 - 3 2 1
District #4 72 58 4 1 7 2
Genesee County 2,270 548 1,547 53 29 93
Grand Traverse County 137 113 1 14 7 2
Huron County 38 32 - 2 - 4
Ingham County 1,367 449 603 172 73 70
Ionia County 127 91 1 18 10 7
Jackson County 729 329 269 38 37 56
Kalamazoo County 1,734 542 933 127 85 47
Kent County 3,142 904 1,213 486 248 291
Lapeer County 145 73 12 9 6 45
Lenawee County 139 97 10 11 7 14
Livingston County 235 188 5 11 22 9
Luce-Mackinac-Alger-Schoolcraft 34 21 5 1 6 1
Macomb County 2,855 652 1,244 72 396 491
Marquette County 107 85 2 2 7 11
Midland County 135 97 10 4 6 18
Mid-Michigan District 345 205 26 21 24 69
Monroe County 248 144 31 11 11 51
Muskegon County 1,151 347 566 51 38 149
Northwest Michigan Community Health 137 106 6 2 7 16
Oakland County 3,209 685 1,272 145 341 766
Ottawa County 711 396 106 173 34 2
Delta & Menominee 76 64 3 2 6 1
Saginaw County 1,094 249 687 114 11 33
Sanilac County 29 16 1 2 - 10
Shiawassee County 87 71 6 2 4 4
St Clair County 303 171 83 19 24 6
Tuscola County 56 47 5 2 1 1
Van Buren-Cass County 405 210 59 47 12 77
Washtenaw County 1,155 353 470 84 146 102
Wayne County 3,546 862 1,795 175 306 408
Western Upper Peninsula District 48 37 2 - 8 1

Notes:

Race or Hispanic Ancestry: Race without mention of Hispanic ancestry, or Hispanic ancestry with or without mention of race.

Source: Michigan Disease Surveillance System, Bureau of HIV & STI Programs, MDHHS.



Last Updated: 01/15/2026