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

County 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
Alcona 4 4 - - - -
Alger 2 2 - - - -
Allegan 229 150 20 24 14 21
Alpena 27 24 2 - 1 -
Antrim 35 31 2 - 2 -
Arenac 23 18 - - - 5
Baraga 5 2 - - 3 -
Barry 113 80 5 7 5 16
Bay 234 158 28 20 5 23
Benzie 15 13 - 1 - 1
Berrien 709 171 397 42 19 80
Branch 77 51 6 17 2 1
Calhoun 794 301 285 55 82 71
Cass 162 81 30 7 9 35
Charlevoix 30 26 - - 2 2
Cheboygan 32 23 2 1 4 2
Chippewa 77 25 5 2 37 8
Clare 38 37 - - - 1
Clinton 145 65 22 9 11 38
Crawford 19 19 - - - -
Delta 48 42 2 - 4 -
Dickinson 25 24 1 - - -
Eaton 255 118 68 18 26 25
Emmet 39 20 3 1 3 12
Genesee 2,270 548 1,547 53 29 93
Gladwin 19 17 - - 1 1
Gogebic 14 13 - - 1 -
Grand Traverse 137 113 1 14 7 2
Gratiot 78 49 2 6 8 13
Hillsdale 82 61 1 3 15 2
Houghton 22 16 2 - 3 1
Huron 38 32 - 2 - 4
Ingham 1,367 449 603 172 73 70
Ionia 127 91 1 18 10 7
Iosco 25 24 - 1 - -
Iron 11 9 - - - 2
Isabella 190 118 21 10 11 30
Jackson 729 329 269 38 37 56
Kalamazoo 1,734 542 933 127 85 47
Kalkaska 29 26 - 2 - 1
Kent 3,142 904 1,213 486 248 291
Keweenaw 1 1 - - - -
Lake 26 20 5 - - 1
Lapeer 145 73 12 9 6 45
Leelanau 18 13 1 2 - 2
Lenawee 139 97 10 11 7 14
Livingston 235 188 5 11 22 9
Luce 5 3 2 - - -
Mackinac 23 13 3 1 5 1
Macomb 2,855 652 1,244 72 396 491
Manistee 20 19 - - - 1
Marquette 107 85 2 2 7 11
Mason 42 38 1 2 1 -
Mecosta 117 86 20 7 2 2
Menominee 28 22 1 2 2 1
Midland 135 97 10 4 6 18
Missaukee 24 19 - 1 2 2
Monroe 248 144 31 11 11 51
Montcalm 122 91 2 6 5 18
Montmorency 8 6 - - 2 -
Muskegon 1,151 347 566 51 38 149
Newaygo 106 85 2 12 3 4
Oakland 3,209 685 1,272 145 341 766
Oceana 60 37 1 20 2 -
Ogemaw 27 22 - 2 2 1
Ontonagon 6 5 - - 1 -
Osceola 38 29 6 - 2 1
Oscoda 5 5 - - - -
Otsego 33 29 1 1 - 2
Ottawa 711 396 106 173 34 2
Presque Isle 5 5 - - - -
Roscommon 37 33 - - 3 1
Saginaw 1,094 249 687 114 11 33
St. Clair 303 171 83 19 24 6
St. Joseph 192 107 17 29 5 34
Sanilac 29 16 1 2 - 10
Schoolcraft 4 3 - - 1 -
Shiawassee 87 71 6 2 4 4
Tuscola 56 47 5 2 1 1
Van Buren 243 129 29 40 3 42
Washtenaw 1,155 353 470 84 146 102
Wayne 12,719 1,094 8,432 485 998 1,710
Wexford 73 64 1 3 2 3
 

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