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.
- This webpage contains final data reported to ArboNET for 2020.
US States
- 435 dengue cases reported
US Territories
- 782 dengue cases reported
States and territories reporting dengue cases – United States, 2020

Table 1: Dengue cases reported to ArboNET by state or territory of residence – United States, 2020
Travel-associated cases No. (%) |
Locally-transmitted cases No. (%) |
|
---|---|---|
State | (N=352) | (N=83) |
Arizona | 4 (1) | 0 (0) |
Arkansas | 1 (0) | 0 (0) |
California | 86 (24) | 0 (0) |
Colorado | 4 (1) | 0 (0) |
Connecticut | 7 (2) | 0 (0) |
Delaware | 1 (0) | 0 (0) |
District of Columbia | 2 (1) | 0 (0) |
Florida | 40 (11) | 71 (86) |
Hawaii | 5 (1) | 0 (0) |
Idaho | 1 (0) | 0 (0) |
Illinois | 18 (5) | 0 (0) |
Indiana | 3 (1) | 0 (0) |
Iowa | 1 (0) | 0 (0) |
Kansas | 2 (1) | 0 (0) |
Kentucky | 1 (0) | 0 (0) |
Louisiana | 3 (1) | 0 (0) |
Maryland | 3 (1) | 0 (0) |
Massachusetts | 10 (3) | 0 (0) |
Michigan | 2 (1) | 0 (0) |
Missouri | 3 (1) | 0 (0) |
Nebraska | 3 (1) | 0 (0) |
Nevada | 4 (1) | 0 (0) |
New Hampshire | 1 (0) | 0 (0) |
New Jersey | 2 (1) | 0 (0) |
New Mexico | 1 (0) | 0 (0) |
New York | 41 (12) | 0 (0) |
North Carolina | 6 (2) | 0 (0) |
Ohio | 2 (1) | 0 (0) |
Oklahoma | 2 (1) | 0 (0) |
Oregon | 8 (2) | 0 (0) |
Pennsylvania | 4 (1) | 0 (0) |
Rhode Island | 1 (0) | 0 (0) |
South Carolina | 2 (1) | 0 (0) |
South Dakota | 2 (1) | 0 (0) |
Tennessee | 1 (0) | 0 (0) |
Texas | 50 (14) | 12 (14) |
Utah | 3 (1) | 0 (0) |
Virginia | 6 (2) | 0 (0) |
Washington | 8 (2) | 0 (0) |
Wisconsin | 8 (2) | 0 (0) |
Travel-associated cases No. (%) |
Locally-transmitted cases No. (%) |
|
Territories | (N=2) | (N=780) |
Guam | 0 (0) | 2 (<1) |
Puerto Rico | 2 (100) | 778 (99) |