Original: Boca Raton (South County), is the second largest, having a population approaching 90,000. Boynton Beach (South County), is the third largest city, with a population nearing 70,000 residents.
Simplified: The three largest cities in Palm Beach County are West Palm Beach (first, 150,000 people), Boca Raton (second, almost 90,000 people), and Boynton Beach (third, almost 70,000 people).