Why Has the Tick Population Grown in 2020? For the last decade, the amount of Lyme disease caused by the tick population has already been tripled . This data is shown by the Centers for Disease Control and Prevention. Many people are suffering from this disease because the growth of ticks has been rising very rapidly this year. The risk of getting this tick-borne disease is mainly concentrated in the northeastern part of the United States and also the upper part of the Midwest. The latest study from the Lab Giant Quest Diagnostics found out that Lyme disease can be found in all 50 states and also the District of Columbia. tick population growth by time of year What the Experts Say According to Harvey W. Kaufman, M.D, one of the most popular senior medical directors in Quest Diagnostic, Lyme disease brings a huge risk to many people in the United States. Lyme was named after the coastal part of the Connecticut town . Since then, Lyme disease has emerged to become o...