Number of Chlamydia Cases by Sex and Age St. Joseph County, Michigan Residents, 2001-2024

Number of Chlamydia Cases
by Sex and Age
St. Joseph County, Michigan Residents, 2001-2024

Gender and Age	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024
Total	84	91	94	97	158	165	148	144	136	116	153	178	160	157	218	207	190	219	201	175	198	170	220	192
Under 15 Years	1	3	1	1	3	2	1	2	-	-	-	1	-	-	3	1	2	1	1	1	3	-	1	-
15-19 Years	36	27	36	42	83	48	51	33	53	40	53	43	41	44	59	55	56	50	53	37	47	41	67	50
20-24 Years	33	49	38	38	42	76	52	62	56	43	56	90	57	68	98	92	68	79	77	58	54	48	67	62
25-29 Years	7	8	12	10	22	17	27	30	17	18	22	27	27	29	33	39	30	41	40	40	43	35	27	18
30-44 Years	6	4	5	5	5	19	15	17	9	14	20	16	30	15	21	17	28	48	26	36	43	41	51	49
45 Years & Older	1	-	2	-	1	3	2	-	1	1	2	-	5	1	4	3	6	-	4	3	8	5	7	13
Male	10	13	11	13	14	25	25	22	18	23	34	33	28	27	51	44	45	61	54	44	58	50	60	52
Under 15 Years	1	-	1	-	-	-	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
15-19 Years	4	1	3	2	4	4	7	2	5	7	7	3	4	3	8	3	12	9	4	6	12	9	14	12
20-24 Years	3	9	3	7	2	14	8	6	9	12	13	21	11	10	24	26	14	18	19	15	14	12	23	15
25-29 Years	2	1	4	3	6	2	4	8	2	4	6	4	4	11	10	10	8	16	17	11	8	9	7	2
30-44 Years	-	2	-	1	2	5	5	5	2	-	6	5	7	2	6	2	9	18	13	11	19	17	13	16
45 Years & Older	-	-	-	-	-	-	1	-	-	-	2	-	2	1	3	3	2	-	1	1	5	3	3	7
Female	74	78	83	84	144	140	123	121	117	92	119	144	132	130	167	163	145	158	147	131	140	120	160	140
Under 15 Years	-	3	-	1	3	2	1	1	-	-	-	1	-	-	3	1	2	1	1	1	3	-	1	-
15-19 Years	32	26	33	40	79	44	44	31	48	33	46	40	37	41	51	52	44	41	49	31	35	32	53	38
20-24 Years	30	40	35	31	40	62	44	56	46	30	43	68	46	58	74	66	54	61	58	43	40	36	44	47
25-29 Years	5	7	8	7	16	15	23	21	15	14	16	23	23	18	23	29	22	25	23	29	35	26	20	16
30-44 Years	6	2	5	4	3	14	10	12	7	14	14	11	23	13	15	15	19	30	13	25	24	24	38	33
45 Years & Older	1	-	2	-	1	3	1	-	1	1	-	-	3	-	1	-	4	-	3	2	3	2	4	6

Notes:

A dash ("–") indicates quantity zero.

All Ages category includes records with unknown age.

Total (Both Sexes) category includes records with unknown sex.

Source: Michigan Disease Surveillance System, MDHHS.

Last Updated: 01/15/2026