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Reports of Lyme Disease in Columbia County, Pennsylvania

Browse Lyme data by state

793

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

Ranked #43 of 67 counties in Pennsylvania. That's 0.6% of Pennsylvania's 134,624 confirmed cases.

Yearly Breakdown of Lyme Cases in Columbia County

Confirmed cases reported to the CDC each year.
View as a table
Confirmed Lyme disease cases in Columbia County by year
Year Confirmed cases
2000 2
2001 7
2002 8
2003 11
2004 14
2005 15
2006 9
2007 23
2008 18
2009 53
2010 44
2011 81
2012 69
2013 57
2014 106
2015 64
2016 60
2017 51
2018 41
2019 53
2020 7
2000–2020
Confirmed cases
    Columbia County

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    Lyme Stats for Other Pennsylvania Counties

    Confirmed Lyme disease cases by county in Pennsylvania, 2000 to 2020
    County Confirmed cases Share of state
    Chester County 12,697 9.4%
    Bucks County 9,805 7.3%
    Montgomery County 9,372 7.0%
    York County 6,454 4.8%
    Butler County 4,807 3.6%
    Berks County 4,535 3.4%
    Lancaster County 3,770 2.8%
    Delaware County 3,712 2.8%
    Lehigh County 3,399 2.5%
    Philadelphia County 3,396 2.5%
    Clearfield County 3,241 2.4%
    Westmoreland County 3,089 2.3%
    Northampton County 2,937 2.2%
    Allegheny County 2,875 2.1%
    Dauphin County 2,445 1.8%
    Cumberland County 2,159 1.6%
    Centre County 2,156 1.6%
    Jefferson County 1,953 1.5%
    Monroe County 1,910 1.4%
    Armstrong County 1,887 1.4%
    Luzerne County 1,571 1.2%
    Adams County 1,556 1.2%
    Indiana County 1,547 1.1%
    Lebanon County 1,487 1.1%
    Beaver County 1,268 0.9%
    Elk County 1,258 0.9%
    Clarion County 1,250 0.9%
    Bradford County 1,240 0.9%
    Lycoming County 1,130 0.8%
    Cambria County 1,125 0.8%
    Wayne County 1,051 0.8%
    Pike County 988 0.7%
    Lackawanna County 975 0.7%
    Bedford County 950 0.7%
    Venango County 946 0.7%
    Erie County 943 0.7%
    Franklin County 929 0.7%
    Washington County 918 0.7%
    Blair County 882 0.7%
    McKean County 838 0.6%
    Perry County 828 0.6%
    Huntingdon County 807 0.6%
    Columbia County 793 0.6%
    Susquehanna County 703 0.5%
    Carbon County 676 0.5%
    Wyoming County 634 0.5%
    Mifflin County 621 0.5%
    Schuylkill County 619 0.5%
    Northumberland County 569 0.4%
    Fayette County 560 0.4%
    Crawford County 540 0.4%
    Clinton County 525 0.4%
    Mercer County 517 0.4%
    Lawrence County 466 0.3%
    Union County 421 0.3%
    Tioga County 413 0.3%
    Fulton County 382 0.3%
    Snyder County 362 0.3%
    Potter County 356 0.3%
    Cameron County 347 0.3%
    Somerset County 342 0.3%
    Warren County 342 0.3%
    Juniata County 288 0.2%
    Montour County 261 0.2%
    Greene County 161 0.1%
    Forest County 149 0.1%
    Sullivan County 99 0.1%
    Unknown County 12,392 9.2%

    "Unknown County" counts cases the CDC confirmed in Pennsylvania 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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