Rate 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
Total134.6±28.8146.4±30.1150.7±30.4155.8±31.0253.7±39.5265.1±40.4237.8±38.3231.9±37.8221.4±37.2189.3±34.4250.6±39.7292.3±42.9263.0±40.7257.6±40.2357.3±47.3340.2±46.3311.7±44.3358.8±47.4329.7±45.5287.2±42.5325.4±45.3279.7±42.0361.4±47.7313.9±44.3
Under 15 Years*    *    *    *    *    *    *    *    -    -    -    *    -    -    *    *    *    *    *    *    *    -    *    -    
15-19 Years768.6±250.1577.8±217.3762.9±248.3900.5±271.11,772.4±377.91,034.3±291.11,111.6±303.4729.9±248.11,197.5±320.5920.6±284.01,250.0±334.41,053.1±313.11,025.0±312.11,111.4±326.61,455.0±368.61,374.3±360.71,428.6±371.51,274.9±351.11,353.8±362.0928.0±297.61,173.8±333.61,006.4±306.51,641.8±389.91,217.1±335.3
20-24 Years854.0±290.11,295.3±360.3974.4±308.3983.2±311.11,089.8±327.82,028.3±451.41,407.7±379.91,701.0±419.81,613.8±419.31,262.8±375.11,624.1±421.92,492.4±508.61,559.1±401.61,854.9±436.82,710.2±529.42,559.1±516.31,908.5±449.32,278.0±496.62,227.4±492.01,725.2±440.21,600.5±423.51,396.2±392.21,902.3±451.21,769.4±436.6
25-29 Years188.2±139.3221.3±153.2339.1±191.5281.1±174.0624.5±260.1469.2±222.5739.9±278.1808.2±288.0462.0±219.1494.1±227.7603.1±251.2768.6±288.8765.7±287.7830.2±300.9943.7±320.51,088.5±339.8819.2±292.01,083.2±329.81,057.1±325.91,096.2±337.91,194.1±354.8988.4±325.9757.8±284.8495.6±228.4
30-44 Years44.8±35.8*    *    *    *    158.2±71.1127.7±64.6149.6±71.181.2±53.0128.3±67.2186.7±81.8150.8±73.8284.4±101.6141.7±71.7198.3±84.7162.9±77.4270.2±100.0458.4±129.4246.0±94.4334.8±109.2396.7±118.3374.8±114.5462.6±126.7439.1±122.7
45 Years & Older*    -    *    -    *    *    *    -    *    *    *    -    *    *    *    *    22.2±17.8-    *    *    29.9±20.7*    26.0±19.348.3±26.2
Male32.4±20.142.3±23.035.6±21.142.1±22.945.3±23.781.0±31.781.0±31.771.6±29.959.2±27.375.9±31.0112.1±37.7109.1±37.292.6±34.389.2±33.6168.1±46.1145.1±42.8148.4±43.3200.4±50.2177.0±47.2143.5±42.4189.7±48.8163.3±45.2195.7±49.5169.3±46.0
Under 15 Years*    -    *    -    -    -    -    *    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    
15-19 Years*    *    *    *    *    *    286.4±211.9*    *    307.0±227.1315.9±233.6*    *    *    380.2±263.0*    600.0±338.5450.7±293.8*    291.0±232.5576.9±325.5422.1±275.2658.8±344.0559.2±315.5
20-24 Years*    469.0±305.7*    358.6±265.2*    749.5±391.1431.7±298.5327.3±261.5514.9±335.5690.1±389.1726.7±393.61,120.6±476.6588.9±347.0529.7±327.41,270.5±505.11,386.7±529.3761.3±397.31,000.0±459.71,041.7±466.0865.6±436.1806.9±421.0669.6±377.61,258.9±511.3831.5±419.0
25-29 Years*    *    *    *    336.3±268.7*    *    430.6±297.7*    *    324.1±259.0*    *    626.8±369.2565.3±349.4535.9±331.3415.8±287.5813.4±397.0861.6±407.8579.6±341.5433.1±299.5494.2±322.1377.8±279.3*    
30-44 Years-    *    -    *    *    *    *    *    *    -    110.9±88.7*    131.4±97.2*    113.0±90.4*    174.9±114.2344.0±158.7244.5±132.8202.3±119.4345.1±154.9304.6±144.6231.6±125.8282.7±138.3
45 Years & Older-    -    -    -    -    -    *    -    -    -    *    -    *    *    *    *    *    -    *    *    *    *    *    53.3±39.5
Female234.6±53.4248.0±55.0263.4±56.6267.6±57.1458.9±74.8446.2±73.8392.1±69.2385.8±68.6377.5±68.3297.0±60.6387.3±69.5469.7±76.5431.2±73.4423.8±72.7544.3±82.3534.0±81.8473.3±76.9516.4±80.3482.6±77.8432.7±73.9462.6±76.4397.8±71.0529.6±81.8459.8±76.0
Under 15 Years-    *    -    *    *    *    *    *    -    -    -    *    -    -    *    *    *    *    *    *    *    -    *    -    
15-19 Years1,438.8±495.01,174.3±448.81,466.0±496.51,817.4±558.13,594.2±778.52,031.4±594.22,052.2±600.21,464.3±511.72,283.5±638.71,598.1±540.92,272.7±649.42,059.7±631.81,945.3±620.82,151.1±651.42,614.0±708.12,694.3±722.52,291.7±669.42,129.9±645.02,523.2±697.61,610.4±562.41,819.1±597.21,647.8±566.22,709.6±719.71,936.8±609.9
20-24 Years1,600.0±568.02,145.9±657.91,799.5±590.81,620.5±565.92,059.7±631.83,299.6±807.92,390.0±697.83,090.5±797.02,671.3±761.71,800.7±638.62,591.9±764.73,914.8±912.42,572.7±734.03,262.1±826.04,284.9±955.63,837.2±908.23,132.3±822.53,657.1±901.13,551.7±898.02,639.7±778.62,440.5±747.12,187.1±706.72,595.9±757.12,764.7±779.6
25-29 Years*    394.1±291.4460.8±318.6402.8±297.8920.1±448.8842.7±424.71,281.3±520.31,132.7±481.7818.3±412.4764.2±398.8890.4±434.31,306.8±530.61,299.4±527.61,035.7±476.01,331.0±540.41,689.0±609.61,265.8±525.61,375.1±535.41,270.0±515.81,656.2±597.81,995.4±654.51,511.6±576.71,169.6±509.6922.7±450.1
30-44 Years90.6±72.5*    *    *    *    238.9±125.0174.7±108.2216.5±122.4129.3±95.7260.2±136.1264.0±138.1209.0±123.4440.8±179.7248.5±134.9284.1±143.6287.4±145.2364.3±163.5572.6±204.3247.5±134.4470.3±183.9449.9±179.6447.8±178.8702.0±222.4600.2±204.2
45 Years & Older*    -    *    -    *    *    *    -    *    *    -    -    *    -    *    -    *    -    *    *    *    *    *    43.5±34.8
                         

Notes:

Rates are per 100,000 population for the specified age and sex group in the geographic area.

Asterisk (*) indicates that data do not meet standards of reliability or precision.

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