In addition to the number of people who already have diabetes, CDC estimates that 84.1 million US adults aged 18 years or older had prediabetes in 2015. With prediabetes, blood sugar levels are higher than normal but not high enough for a diabetes diagnosis. Prediabetes can increase a person’s risk of developing type 2 diabetes, heart disease, and stroke. Although an estimated 33.9% of US adults had prediabetes in 2015, only 11.6% were aware of it.3 Table 4 shows the percentage of US adults, by state, who said they had ever been told by a health care professional that they had prediabetes.

Table 4. Percentage of US Adults Who Have Ever Been Told by a Health Care Professional That They Have Prediabetes, by State, 2015

Percentage of US Adults Aged 18 or Older with Diagnosed Diabetes Who Reported Receiving Recommended Preventive Care Practices, by State, 2015
State Percentage
All States Mediana 7.0
Alabama 6.1
Alaska 6.6
Arizonab 7.6
Arkansasc 5.4
Californiab 8.2
Coloradob 6.3
Connecticutb 6.1
Delawareb 6.9
District of Columbia 9.2
Florida 7.3
Georgia 6.8
Hawaiib 14.0
Idahob 7.8
Illinoisb 5.8
Indianab 6.4
Iowab 6.6
Kansasb 5.5
Kentucky 6.7
Louisiana 7.1
Maine 6.9
Marylandb 8.4
Massachusettsb 5.7
Michiganb 6.8
Minnesotab 6.2
Mississippib 6.1
Missourib 6.9
Montanac 5.8
Nebraskab 5.4
Nevadab 7.4
New Hampshirec 5.5
New Jerseyb 7.4
New Mexico 7.1
New York 6.8
North Carolina 7.2
North Dakotab 6.1
Ohio 6.1
Oklahoma 7.1
Oregonb 8.0
Pennsylvaniab 6.0
Rhode Islandb 5.7
South Carolina 7.1
South Dakota 5.5
Tennessee 7.3
Texas 6.4
Utahc 5.7
Vermontb 4.8
Virginia 6.9
Washington 7.0
West Virginia 7.6
Wisconsinb 6.4
Wyomingb 5.5

Note: Percentages are age-adjusted to the 2000 US standard population.
a State median calculated with 2015 data only.
b Data from 27 states are from 2014 because 2015 data were not available.
c Data from 4 states are from 2013 because 2014 and 2015 data were not available.

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Page last reviewed: June 14, 2019