Core Insights - Tick populations are significantly influenced by geography and climate, with states like California, Florida, Texas, Pennsylvania, and New York being the most affected due to their warm climates and high humidity [1][2] - Urban areas such as New York City, Los Angeles, Philadelphia, San Francisco, and Washington, D.C. are among the top five cities with high tick activity, indicating that even densely populated regions are not exempt from tick infestations [1] - The Northeastern U.S. generally has the highest tick populations, with common species including the black-legged tick and the American dog tick [1] Tick-Borne Diseases - The risk of tick-borne diseases varies by species, with Northeastern states like Pennsylvania, New York, and New Jersey having high rates of Lyme disease cases [3] - The Southeast and Southcentral U.S. may experience more cases of ehrlichiosis or spotted fever rickettsiosis [3] Climate Impact - Climate change is contributing to increased tick populations, as milder winters and longer warm seasons enhance tick survival and human exposure risk [2] Prevention Strategies - Terminix recommends avoiding tick-infested areas, wearing protective clothing, and conducting thorough body checks after outdoor activities to prevent tick bites [4][6] - If a tick bite occurs, proper removal techniques and post-removal care are advised [6] Tick-Infested States - The top ten states most affected by ticks are: California, Florida, Texas, Pennsylvania, New York, Georgia, New Jersey, Arizona, Massachusetts, and Ohio [5]