It is the city with the most mosquitoes in the United States

Los Angeles tops the list of US cities with the highest mosquito populations in 2025, with climate change and the invasive Aedes aegypti species linked to an increased risk of bites.

This is the most mosquito-free city in America.—No,No Florida or Texas Pack extra bug spray if you're planning a trip to this sunny city.Opheli Garcia Attorney Opheli Garcia Lawler is a journalist with a decade of experience, half of which is dedicated to covering how we travel.From interviewing former Transportation Secretary Pete Buttigieg to mining Amtrak customer complaint data, Opheli has built a wealth of knowledge about what makes an experience.Our travel guide.Travel + Entertainment Editorial Guidelines Posted on January 21, 2026 3 Comments Close About Mosquito Kingdom.Credit: Jacques Julien/Getty Images Based on residential treatment data from the past year, Orkin recently identified the West Coast region as having the most mosquitoes in the United States.Travelers are advised to wear protective clothing and cover bare skin if necessary.Beaches Unfortunately,The weather in these areas can make for a great day outdoors and often means it's not home to a dangerous insect that can cause messes and scratches.If you plan to visit, there is one city that you should carry a bottle of insect repellent with you.Los Angeles,Pest control company Orkin's annual report lists the city with the most mosquitoes.The list was created by evaluating the number of new residential treatments provided by Orkin over a 12-month period.According to its internal information, L.A.won the top spot.Mosquitoes are a big nuisance, especially during the holidays, but bites can sometimes cause serious harm.According to the Centers for Disease Control and Prevention, malaria, spread by mosquitoes, kills 600,000 people worldwide each year.The United States reports about 2,000 cases each year.Your community. Effective measures are needed to control the increase in mosquitoes this season." Mosquitoes are a favored species in Los Angeles. Local governments in Southern California have worked to combat the bugs in recent years by releasing mosquitoes into the environment in hopes of reducing the population. Los Angeles Times article on climate change in 2024 reported. The Aedes aegypti mosquito in L.A.The most common species is associated with an increase in dengue fever in the city.Orkin has a list of the top 50 cities, including Chicago and New York City, where mosquito breeding sites are recommended by the CDCOn the website of 1. Los Angeles, California 4. Chicago.Detroit, Michigan 6. Houston, Texas 7. Dallas, Texas 8. Washington, D.C. 9. Cleveland, Ohio 10. Denver, Colorado Read more: News