Complex sentence: The district's housing boom, which began in 2001 and peaked in 2006, affected Latino neighborhoods; the Latino population has increased along Ward 4's southern border and declined in Wards 2 and 3.
Split into simpler sentences: The District's housing boom, which started in 2001 and peaked in 2006, affected Latino neighborhoods. Most recently, the Latino population has increased in Ward 4 along Ward 4 s southern border and declined in Wards 2 and 3.