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Texas
85
Florida
80
New York
70
Louisiana
68
Georgia
63
South Carolina
61
Alabama
60
Kentucky
60
New Jersey
60
North Carolina
60
Oklahoma
60
Pennsylvania
60
Ohio
59
Delaware
57
Iowa
57
New Mexico
57
Wisconsin
56
Arkansas
55
Indiana
55
Michigan
55
Connecticut
54
Illinois
52
Massachusetts
51
California
50
Idaho
50
Maryland
50
Minnesota
50
Mississippi
50
Missouri
50
Montana
50
Nebraska
50
Oregon
50
Utah
50
Virginia
50
Rhode Island
46
Colorado
45
Maine
45
Vermont
45
Wyoming
45
New Hampshire
43
South Dakota
43
Arizona
40
Nevada
40
Washington
40
North Dakota
38
Alaska
30
West Virginia
26
Tennessee
9
Hawaii
8
Kansas
2

Mosquitoes by State / States with the Most Mosquitoes 2024

Mosquitoes by State / States with the Most Mosquitoes 2024

Georgia

Mosquitoes are some of the most common insects, and pests, in the world. Mosquitoes love warm and humid weather, and their bloodsucking abilities are annoying for many travelers throughout the year, regardless of the location. Every year, mosquito repellents are purchased in extremely large quantities, especially for those that are looking to make the trek outdoors for such activities as hiking and fishing. Canoeing is one of the worst activities, as the slower speed when compared to other sports invites mosquitoes.

Atlanta, Georgia is one of the worst cities in the world for mosquitoes and ticks. Those who are looking to visit the state within the summer months are especially susceptible to mosquito attacks. Hiking in short sleeve shirts or short pants almost always results in multiple bites appearing, even if you didn't feel them. Most visitors that wish to visit this place during the summer for more traditional outdoor activities are always warned to come prepared with the proper equipment and repellents. There are advisory tips that help to relieve the bite of a mosquito, including natural home remedies.

Of course, the climate in Atlanta is extremely facilitative to the growth of mosquitoes and their attacks. The warm weather, ample woodland, and humid atmosphere give them a tropical haven to feed on unsuspecting travelers.

Texas

Texas, another state known for being warm and humid, is home to the most species of mosquito. From February to November, eighty-five different species of mosquito can be found across the state. Visitors and residents alike must be prepared with bug spray and protective clothing to combat the vast number of mosquitoes.

Florida

When a person thinks of a warm, humid environment, Florida is probably one of the first states that comes to mind. In southern Florida, mosquito season lasts from February to November. This means that there are only two months out of the year when mosquitoes do not plague the state. With about eighty different species of mosquito in the state, this insect is definitely a nuisance for those in Florida.

Other States With Many Mosquitos

It is no surprise that many of the states with the most species of mosquito are those that border the above three states. Alabama, Louisiana, North Carolina, and Virginia all also have high numbers of mosquito species. These states are generally warm and humid, providing the perfect home for mosquitoes to develop and thrive.

There are some other states that are surprising as home to many species of mosquito. South Dakota, Montana, and Oklahoma all have between 60 and 70 species of mosquitoes. These states do have much shorter peak seasons for mosquitoes, however. Montana’s peak season lasts from May to September while both Oklahoma’s and North Dakota’s begin in April.

Mosquitoes by State / States with the Most Mosquitoes 2024

Download Table Data

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State
# of Species
Most or Least Mosquitos Ranking
Peak Season
Cases of West Nile Virus Reported 2024
Cases of West Nile Virus Reported 2023
Texas85Most29February - November (southern), March - September (northern)148
Florida80Most2February - November (southern), March - September (northern)14
New York702Late April - September (southern tip), May - September (rest of state)56
Louisiana68Most18February - November (southern), March - September (northern)51
Georgia63Most2March - September19
South Carolina61No cases reportedMarch - September13
Alabama60MostNo cases reportedMarch - September26
Kentucky60No cases reportedEarly April - September13
New Jersey602Late April - September14
North Carolina60Most3Early April - September15
Oklahoma60Most6Early April - September (northern), March - September (southern)52
Pennsylvania605Late April - September22
Ohio59No cases reportedEarly April - September (southern), Late April - September (northern)18
Delaware57LeastNo cases reportedLate April - September4
Iowa57No cases reportedLate April - September17
New Mexico57No cases reportedMarch - September80
Wisconsin56No cases reportedMay - September25
Arkansas552March - September (southern), Early April - Semptember (northern)11
Indiana552Early April - September (southern), Late April - September (northern)13
Michigan553May - September24
Connecticut54No cases reportedLate April - September4
Illinois526Early April - September (southern), Late April - September (northern)116
Massachusetts512May - September6
California50Least9March - September (southern), Early April - September (northern)409
Idaho50No cases reportedLate April - September (southern), May - September (northern)36
Maryland501May - September11
Minnesota502May - September63
Mississippi506March - September37
Missouri502Early April - September35
Montana50Most2May - September42
Nebraska5017Late April - September150
Oregon50No cases reportedLate April - September (most of state), May - September (northern edge)17
Utah50No cases reportedEarly April - September8
Virginia50Most1Early April - September12
Rhode Island46No cases reportedLate April - September1
Colorado45No cases reportedEarly April - September634
Maine451May - September
Vermont45No cases reportedMay - September
Wyoming45No cases reportedLate April - September27
New Hampshire43No cases reportedMay - September1
South Dakota43Most7Late April - September (southern), May - September (northern)93
Arizona40Least13March - September82
Nevada40Least23March-September (southern tip), Early April-Semptember (rest of state)1
Washington40No cases reportedMay - September4
North Dakota382May - September58
Alaska30No cases reportedMay - September (southern region)
West Virginia26LeastNo cases reportedEarly April - September (southern), Late April - September (northern tip)2
Tennessee93Early April - September15
Hawaii8LeastNo cases reportedFebruary - November
Kansas23Early April - September66
United States2,565
showing: 50 rows

Sources