Mosquito Season is Here -- and These Cities Are Seeing the Biggest Swarms
- Partnership with American Red Cross shows corporate social responsibility and potential for increased service sales
- Strong market presence demonstrated by 358 owned branches and 47 franchises in the U.S.
- Expanding international presence across multiple continents
- Increasing mosquito pressure in northern cities could indicate climate-related challenges affecting service delivery
- Heavy reliance on seasonal business model
As outdoor summer activities kick off, Orkin unveils the nation's top mosquito hotspots, with
The annual list is based on the number of new residential mosquito treatments performed by Orkin from April 2024 through March 2025. As summer outdoor activities ramp up, so does the need for proactive mosquito control to help protect health and comfort.
The rankings are based on the number of new residential mosquito treatments performed by Orkin from April 1, 2024, to March 31, 2025.
Los Angeles Chicago (+1)New York (-1)Atlanta (+1)Detroit (+5)Houston Dallas (-3)Washington, D.C. (-1)Cleveland (+10)Denver (+6)Philadelphia (-3)Miami (+3)- Raleigh-Durham, N.C. (+7)
- Charlotte, N.C. (+4)
San Francisco (-6)Indianapolis (+12)Orlando, Fla. (-4)Tampa -St. Petersburg, Fla. (-6)Minneapolis (-2)Baltimore (+3)- Nashville, Tenn. (+4)
- Greenville, S.C. (+7)
Columbus, Ohio (+9)Oklahoma City (+12)- Grand Rapids, Mich. (+8)
Seattle (-15)- Norfolk, Va. (+12)
Pittsburgh (+16)Cincinnati (+9)- Richmond, Va. (+17)
- Flint, Mich. (new to list)
- Tulsa, Okla. (+17)
Cedar Rapids, Iowa (new to list)- Memphis, Tenn. (+11)
- Albuquerque, N.M. (+8)
- Knoxville, Tenn. (+10)
San Antonio (-11)Milwaukee (+3)San Diego (-12)Boston (-19)- Columbia, S.C. (new to list)
West Palm Beach, Fla. (-11)- Kansas City, Kan. (-8)
- Hartford, Conn. (-7)
- Greensboro, N.C. (-3)
Augusta, Ga. (new to list)St. Louis (-23)- Myrtle Beach, S.C. (new to list)
Davenport , Ill. (new to list)New Orleans (-10)
Beyond being a nuisance, mosquitoes are a major health threat. They're responsible for more deaths annually than any other creature, causing over 600,000 malaria-related deaths each year, according to the Centers for Disease Control and Prevention. They also transmit other dangerous diseases such as West Nile virus, Eastern Equine Encephalitis and Zika virus, making prevention critical this time of year.
"Mosquito control isn't just about avoiding itchy bites," said Frank Meek, Orkin entomologist. "It's about safeguarding your health and your community. Proactive measures are key to controlling these seasonal surges in mosquito activity."
This summer, Orkin is renewing its commitment to public health through the Mosquitoes Don't Deserve a Drop campaign in partnership with the American Red Cross. From May 20 to June 30, 2025, for every mosquito control service purchased, Orkin will donate
Mosquito control can seem extremely daunting, especially living in areas with such dense mosquito populations. However, there are a few simple preventive measures homeowners can take to help reduce mosquito activity. Consumers can use the acronym BITE to remember the steps.
- Block access to skin by wearing long sleeves and pants, as well as CDC-recommended repellants.
- Install tight-fitting screens on windows and doors.
- Trim shrubs, grass and other vegetation to reduce mosquito resting areas.
- Eliminate standing water, which is a breeding ground for mosquitoes.
For more mosquito facts and prevention tips, visit Orkin.com.
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