MINNEAPOLIS (WCCO) — New estimates suggest autism is on the rise in the United States.

Diagnoses of autism spectrum disorders have risen 15 percent in two years.

READ MORE: 'We Will Not Tolerate Sexual Misconduct In Any Form': Minnesota Colleges Investigating Alleged Sex Competition

Nationwide, 1 in 59 kids is on the autism spectrum. In Minnesota, that number is 1 in 42.

The numbers come from a new Centers of Disease Control study.

READ MORE: 'We Are Pleasantly Surprised': Minnesota's Corn, Soybean Yields Better Than Expected

Experts say diagnosing autism early is important.

That way, kids can get the help they need to reach their full potential.

MORE NEWS: 'It's Unimaginable': Families Of Quadruple Homicide Victims Eulogize Loved Ones

Autism can be diagnosed as early as age two, but in Hennepin and Ramsey counties, most cases were diagnosed in children closer to age 5.