Los Angeles Ranks No. 1 on Terminix's Top Mosquito Cities

MEMPHIS, Tenn. — Terminix, a Rentokil Terminix company, announced its annual Top 50 Most Mosquito-Infested Cities list in the U.S., based on 2024 service data from more than 300 branches nationwide.

California and Texas lead the rankings, with Los Angeles taking the top spot, followed by Dallas (No. 2). New York City (No. 3), Atlanta (No. 4), and Houston (No. 5) rounding out the top five.

Cities like Philadelphia, Washington, D.C., Orlando and San Francisco also ranked high on the list, underscoring the widespread nature of mosquito problems from coast to coast.

“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.”

Top 10 Most Mosquito-Infested Cities: 

1. Los Angeles, Calif.
2. Dallas, Texas
3. New York City, N.Y.
4. Atlanta, Ga.
5. Houston, Texas
6. Philadelphia, Penn.
7. Washington, D.C.
8. Orlando, Fla.
9. Tampa-St. Petersburg, Fla.
10. San Francisco, Calif.

Read the full list here.