About the surname Porterfield
Porterfield is held by approximately 6,780 people worldwide, ranking #5160 globally. In the United States it ranks #5160 (Census 2010) with 6,780 bearers, or roughly 2 per 100,000 people.
Globally, that prevalence works out to about 1 in 1,179,941 people. Click any country below to see the full distribution map.