The study for America's 50 healthiest counties for kids is out, and California has several regional counties making the list. 

Placer, Yolo and El Dorado counties made the top 50 list for healthiest kids.

The study published in U.S. News looks at infant mortality, teen birthrate, injury, death rate and other markers.

Placer County ranked 17th , with Yolo County placing 30th and El Dorado ranked 43rd. 

Placer County's teen birthrates are less than half of the U.S. median and where just 6-percent of babies are born underweight.

Yolo County has a low-percentage of smokers and the number of low-birth-weight births is decreasing. 

Sacramento County, unfortunately, did not make the top 50 in the national study, and places 30th when looking at the 58 counties in California. 

Marin County ranked first in the nation. 

See the complete list of healthy counties for kids, here.