Most of Pennsylvania's farm income stems from livestock production, primarily in Lancaster County.
In 2003, there were an estimated 1.63 million cattle and calves, valued at $1.5 billion. During 2002, there were around 1.1 million hogs and pigs, worth $72.4 million. In 2001 the state produced 5.8 million lb (2.6 million kg) of sheep and lambs, which brought in $4 million in gross income.
Pennsylvania is a leading producer of chickens in the US, selling 53.9 million lb (24.4 million kg) in 2001. An estimated 10.8 billion lb (4.9 billion kg) of milk (4th among the 50 states) was produced from 599,000 milk cows in the same year.