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Reports of Lyme Disease in Rock Island County, Illinois

61

Confirmed cases of Lyme disease in Rock Island County (2000 to 2020).

Ranked #11 of 102 counties in Illinois. That's 1.4% of Illinois's 4,456 confirmed cases.

Yearly Breakdown of Lyme Cases in Rock Island County

Confirmed cases reported to the CDC each year.
View as a table
Confirmed Lyme disease cases in Rock Island County by year
Year Confirmed cases
2000 0
2001 1
2002 2
2003 5
2004 2
2005 1
2006 1
2007 3
2008 2
2009 4
2010 2
2011 1
2012 1
2013 5
2014 3
2015 7
2016 0
2017 2
2018 6
2019 8
2020 5
2000–2020
Confirmed cases
    Rock Island County

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    Lyme Stats for Other Illinois Counties

    Confirmed Lyme disease cases by county in Illinois, 2000 to 2020
    County Confirmed cases Share of state
    Cook County 937 21.0%
    DuPage County 444 10.0%
    Lake County 341 7.7%
    McHenry County 320 7.2%
    Will County 192 4.3%
    Winnebago County 166 3.7%
    Kane County 161 3.6%
    Jo Daviess County 144 3.2%
    Ogle County 81 1.8%
    Peoria County 67 1.5%
    Rock Island County 61 1.4%
    LaSalle County 55 1.2%
    Champaign County 46 1.0%
    Carroll County 43 1.0%
    McLean County 43 1.0%
    Tazewell County 42 0.9%
    DeKalb County 41 0.9%
    Whiteside County 33 0.7%
    Fulton County 28 0.6%
    Boone County 26 0.6%
    Grundy County 24 0.5%
    Stephenson County 23 0.5%
    Vermilion County 22 0.5%
    Woodford County 22 0.5%
    Knox County 20 0.4%
    Kankakee County 19 0.4%
    Lee County 19 0.4%
    Kendall County 18 0.4%
    Pike County 18 0.4%
    Sangamon County 18 0.4%
    Bureau County 16 0.4%
    Clark County 15 0.3%
    St. Clair County 14 0.3%
    Adams County 12 0.3%
    Madison County 12 0.3%
    Coles County 11 0.2%
    Marion County 11 0.2%
    Warren County 11 0.2%
    Edgar County 9 0.2%
    Henry County 9 0.2%
    Putnam County 8 0.2%
    Livingston County 7 0.2%
    Mercer County 7 0.2%
    Morgan County 7 0.2%
    Jefferson County 6 0.1%
    Marshall County 6 0.1%
    McDonough County 6 0.1%
    Williamson County 6 0.1%
    Greene County 5 0.1%
    Iroquois County 5 0.1%
    Jackson County 5 0.1%
    Macon County 5 0.1%
    Saline County 5 0.1%
    Union County 5 0.1%
    Cass County 4 0.1%
    Clinton County 4 0.1%
    Crawford County 4 0.1%
    Henderson County 4 0.1%
    Macoupin County 4 0.1%
    Moultrie County 4 0.1%
    Shelby County 4 0.1%
    Wabash County 4 0.1%
    Christian County 3 0.1%
    De Witt County 3 0.1%
    Franklin County 3 0.1%
    Hancock County 3 0.1%
    Logan County 3 0.1%
    Perry County 3 0.1%
    Richland County 3 0.1%
    Stark County 3 0.1%
    Bond County 2 0.0%
    Fayette County 2 0.0%
    Ford County 2 0.0%
    Hardin County 2 0.0%
    Jersey County 2 0.0%
    Johnson County 2 0.0%
    Lawrence County 2 0.0%
    Montgomery County 2 0.0%
    Pope County 2 0.0%
    Alexander County 1 0.0%
    Brown County 1 0.0%
    Calhoun County 1 0.0%
    Clay County 1 0.0%
    Cumberland County 1 0.0%
    Douglas County 1 0.0%
    Edwards County 1 0.0%
    Effingham County 1 0.0%
    Hamilton County 1 0.0%
    Massac County 1 0.0%
    Menard County 1 0.0%
    Piatt County 1 0.0%
    Pulaski County 1 0.0%
    Randolph County 1 0.0%
    Washington County 1 0.0%
    Wayne County 1 0.0%
    Gallatin County 0 0.0%
    Jasper County 0 0.0%
    Mason County 0 0.0%
    Monroe County 0 0.0%
    Schuyler County 0 0.0%
    Scott County 0 0.0%
    White County 0 0.0%
    Unknown County 689 15.5%

    "Unknown County" counts cases the CDC confirmed in Illinois without a county of residence. They are included in the state total but not on the map.

    Data Sources

    All Lyme disease prevalence data sourced from the Centers for Disease Control and Prevention's surveillance data. Cases are counted by the patient's county of residence, which may not be where the tick bite occurred.

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