Statistics and Maps - 2020

Dengue cases in the US

  • Dengue virus disease became a nationally notifiable condition in 2010.
  • Cases are reported to CDC by state, territorial, and local health departments using standard case definitions.

Provisional data* as of  December 23, 2020

  • This webpage contains provisional data reported to ArboNET for 2020.

US States

  • 295 dengue cases reported

US Territories

  • 592 dengue cases reported

States and territories reporting dengue cases – United States, 2020 (as of December 23, 2020)

Map of the United States showing Laboratory-positive travel-associated and locally-acquired dengue cases. See table below.

*CDC reports provisional dengue case counts reported to ArboNET for the United States and its territories on the first Thursday of each month.

Table 1: Dengue cases reported to ArboNET by state or territory of residence – United States, 2020 (as of December 23, 2020)

Laboratory-positive travel-associated and locally-acquired dengue cases from the 50 states and territories – United States
Travel-associated cases
No. (%)
Locally-transmitted cases
No. (%)
State  (N=218) (N=77)
Arizona 4 (2) 0 (0)
Arkansas 1 (0) 0 (0)
California 49 (22) 0 (0)
Colorado 4 (2) 0 (0)
Delaware 1 (0) 0 (0)
District of Columbia 2 (1) 0 (0)
Florida 31 (14) 69 (90)
Georgia 1 (0) 0 (0)
Hawaii 5 (2) 0 (0)
Idaho 1 (0) 0 (0)
Illinois 7 (3) 0 (0)
Indiana 2 (1) 0 (0)
Iowa 1 (0) 0 (0)
Louisiana 3 (1) 0 (0)
Maryland 3 (1) 0 (0)
Massachusetts 9 (4) 0 (0)
Michigan 1 (0) 0 (0)
Missouri 3 (1) 0 (0)
Nebraska 3 (1) 0 (0)
Nevada 2 (0) 0 (0)
New Jersey 2 (1) 0 (0)
New Mexico 1 (0) 0 (0)
New York 4 (2) 0 (0)
North Carolina 5 (2) 0 (0)
Ohio 2 (1) 0 (0)
Oregon 9 (4) 0 (0)
Pennsylvania 3 (1) 0 (0)
South Carolina 2 (1) 0 (0)
South Dakota 1 (0) 0 (0)
Tennessee 1 (0) 0 (0)
Texas 34 (16) 8 (10)
Utah 2 (1) 0 (0)
Virginia 5 (2) 0 (0)
Washington 8 (4) 0 (0)
Wisconsin 6 (3) 0 (0)
Travel-associated cases
No. (%)
Locally-transmitted cases
No. (%)
Territories (N=1) (N=591)
Guam 0 (0) 2 (<1)
Puerto Rico 1 (100) 589 (99)