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South Dakota

Lone Star ticks in Minnehaha County

CDC county record, 2025

Yes. Lone Star ticks have been found in Minnehaha County.

Lone Star ticks have been found here, but fewer than CDC needs to call them established. Treat them as present and take the usual steps outdoors. The nearest county where CDC lists them as established is McCook County, SD, about 30 miles away, measured between centers. CDC county data, 2025 (opens in a new tab)

Peak season
April – SeptemberNo state figure; CDC's national guide: CDC (opens in a new tab)
What to do
Use repellent outdoors and check yourself, your kids and your pets for ticks when you come in.
All of South Dakota
SpreadingCDC lists 4 of South Dakota's 66 counties as established and 2 more as reported.Ticks in South Dakota

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Fig. 1. Minnehaha County, outlined in ink, among South Dakota’s 66 counties, by CDC’s 2025 record.
  • Established4
  • Reported2
  • No records60

If you find one on you

Take it out with fine-tipped tweezers, pulling straight up, and write down the date. The step-by-step guide tells you what to watch for, and for how long.

What to do after a biteIdentify the tick

How to avoid bites in Minnehaha County

  • Use EPA-registered repellent (DEET, picaridin, or oil of lemon eucalyptus)
  • Treat clothing and gear with permethrin
  • Wear long sleeves and tuck pants into socks in brushy areas
  • Stay on cleared trails and avoid tall grass and leaf litter
  • Shower within two hours of coming indoors
  • Do daily tick checks on people and pets during the season
The full prevention guide

Common questions

Are there Lone Star ticks in Minnehaha County, South Dakota?

CDC's 2025 county record for Minnehaha County says "Reported". Lone Star ticks have been found here, but fewer than CDC needs to call them established. Ticks are most active from April to September. Finding ticks is not the same as personal disease risk.

How far is Minnehaha County from where Lone Star ticks are established?

Lone Star ticks have been reported in Minnehaha County itself, though not in the numbers CDC counts as established. The nearest county where CDC lists them as established is McCook County, SD, about 30 miles from Minnehaha County, measured between centers.

When is tick season in Minnehaha County?

In South Dakota, Lone Star ticks are most active from April to September. They can still bite on warm days outside those months, so keep up tick checks.

Can a tick bite in Minnehaha County cause alpha-gal syndrome?

It can. Lone Star tick bites are linked to alpha-gal syndrome, a delayed allergy to red meat. Most bites do not cause it, and only a doctor can diagnose it. Watch for hives, swelling or stomach trouble 2 to 6 hours after eating red meat.

What should I do if I find a tick in Minnehaha County?

Remove it with fine-tipped tweezers, pulling straight up with steady pressure, then clean the area. Save a photo, note the date, and watch for symptoms over the following weeks. Contact a licensed clinician if a rash, fever, fatigue, or a delayed reaction to red meat develops.

How do I report or identify a tick found in Minnehaha County?

Save the tick in a sealed bag with a moist paper towel and take a clear photo. Your South Dakota health department or a university extension program may identify or test it. LoneStarMap does not collect tick reports. Official surveillance runs through those agencies.

Where this comes from7 sourcesShow
  1. 1.
    Where Ticks Live (opens in a new tab) · CDC

    The Lone Star tick is widely distributed in the Northeast, South, and Midwest U.S.

  2. 2.
    Lone Star Tick Surveillance (opens in a new tab) · CDC

    County-level established vs. reported records. 'Established' = 6+ ticks or multiple life stages collected in 12 months.

  3. 3.
    Alpha-gal Syndrome (opens in a new tab) · CDC

    What alpha-gal syndrome is, symptoms, and its association with tick bites.

  4. 4.
    Current and Future Distribution of the Lone Star Tick in North America (opens in a new tab) · Raghavan et al., PLOS ONE (2019)

    Ecological niche modeling of Amblyomma americanum range and projected northward expansion.

  5. 5.
    Preventing Tick Bites (opens in a new tab) · CDC
  6. 6.
    Find the Repellent That Is Right for You (opens in a new tab) · EPA

    Search tool for EPA-registered repellents (DEET, picaridin, oil of lemon eucalyptus).

  7. 7.
    Lone Star Tick Surveillance Map Data, 2025 (county status) (opens in a new tab) · CDC

    Every county's status: Established (6 or more ticks, or more than one life stage, found in a year), Reported (fewer), or No records. Linked from CDC's Lone Star Tick Surveillance page.

Regional data last reviewed:

Educational information only, not medical advice. If someone is struggling to breathe or having a severe reaction, call 911. Read the disclaimer.

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