Source: The Longwood Dr, Charlottesville, VA data and statistics displayed above are derived from the United States Census Bureau.
For people without diabetes, the normal range for the hemoglobin A1c test is between 4% and 5.6%.Hemoglobin A1c levels between 5.7% and 6.4% indicate increased risk of diabetes, and levels of 6.5% or higher indicate diabetes.emoglobin A1c levels between 5.7% and 6.4% indicate increased risk of diabetes, and levels of 6.5% or higher indicate diabetes.
Since the average life span of a red blood cell is about 120 days, hemoglobin A1c values are able to provide an accurate picture of an individualâs average blood sugar levels for the past two to three months.or individuals who have not been diagnosed with diabetes, higher-than-normal hemoglobin A1c values in the range of 5.7 percent to 6.4 percent may indicate an increased risk for developing diabetes.