Age norms for resting heart rate are available at We Be Fit. There is significant variability in childrenâs heart rates even within age groups. Newborns have heart rates that range from 100 to 160 beats per minute (bpm).Children from ages 1 to 10 have heart rates than range from 60 to 140, and average from 85 to 90. Children who are 11 to 17 have heart rates that range from 60 to 100 bpm.Just as with adults, female children tend to have slightly higher resting higher heart rates than males.hildren from ages 1 to 10 have heart rates than range from 60 to 140, and average from 85 to 90. Children who are 11 to 17 have heart rates that range from 60 to 100 bpm.