Which cities have the most mosquitoes?
Updated on: April 18th, 2025
Mosquitoes as little more than a pest that causes itchy red bumps. Believe it or not, mosquitoes are considered the world’s deadliest animal. “As spring temperatures rise, we're already seeing mosquito activity ramp up across the country," said Dr. Sydney Crawley, Principal Vector Scientist at Terminix. "Mosquitoes aren't just a backyard nuisance—they can also carry diseases that pose real public health risks. Our annual rankings help raise awareness and encourage people to take proactive steps to protect themselves, their families, and their communities."
Ever wondered where the top mosquito-infested cities are? Depending on certain factors like moisture, temperature, and more, some places may have a higher mosquito population than others. Terminix is sharing its list of the 50 cities with the most mosquitoes in 2024. Keep reading to check if your city made the list!
Top cities for mosquitoes
Mosquito populations are booming in five major US cities: Los Angeles, Dallas-Fort Worth, New York, Atlanta, and Houston. These urban environments offer the perfect storm of warm temperatures, ample rainfall, and stagnant water, creating ideal breeding grounds. Los Angeles, Dallas-Fort Worth, New York, and Atlanta maintain their positions on the list, while Houston has recently joined the top five cities with the most mosquitoes. Expect to encounter Aedes and Culex mosquito species in these areas.
Terminix has identified the 50 top mosquito-infested cities across the United States. The list of these cities was compiled using service data from over 300 of Terminix's branches located throughout the country, based on where residents used the highest number of mosquito control services in 2024 in our designated market areas.
- Los Angeles, CA
- Dallas-Ft. Worth, TX
- New York, NY
- Atlanta, GA
- Houston, TX
- Philadelphia, PA
- Washington D.C. (Hagerstown)
- Orlando, FL
- Tampa-St.Pete, FL
- San Francisco, CA
- Memphis, TN
- Nashville, TN
- Miami-Ft. Lauderdale, FL
- San Antonio, TX
- Boston (Manchester), MA
- Sacramento, CA
- Palm Springs, CA
- Indianapolis, IN
- Baltimore, MD
- Mobile, AL
- Detroit, MI
- Little Rock, AR
- Chicago, IL
- Cincinnati, OH
- Tyler, TX
- Jacksonville, FL
- Austin, TX
- San Diego, CA
- Fresno, CA
- Columbus, OH
- Cleveland, OH
- Louisville, KY
- Shreveport, LA
- West Palm Beach, FL
- Oklahoma City, OK
- Kansas City, MO
- Paducah, KY
- Waco, TX
- St. Louis, MO
- Pittsburgh, PA
- Richmond, VA
- Tulsa, OK
- Jackson, MS
- Baton Rouge, LA
- Birmingham, AL
- Denver, CO
- Harrisburg, PA
- Lexington, KY
- Ft. Myers, FL
- Bakersfield, CA
States with the most mosquitoes
Certain regions provide the perfect paradise for mosquitoes, and these states are repeat offenders. Warm temperatures, high humidity, and ample breeding grounds create an ideal environment for mosquitoes to thrive. It's no surprise, then, that these five states are consistently the top mosquito-infested states:
States with the least mosquitoes
If you hate mosquitoes, you'll love these five states. Unlike places with lots of water where mosquitoes thrive, these states are dry and windy, so there aren't many. Here are the five states with the fewest mosquitoes:
Do you live in one of these top mosquito cities or states?
Mosquitoes thrive in warm, humid environments with standing water, where they reproduce. While homeowners can help prevent infestations by removing standing water, cleaning gutters, changing water sources weekly, replacing outdoor lighting, and trimming vegetation, professional mosquito control is often necessary.
For effective mosquito control, especially in the top mosquito cities, Terminix offers professional services to target breeding sites and treat yards so you can reclaim your outdoor space.
Get started today!