 About 3.30% of families and 4.60% of the population were below the poverty line, including 5.30% of those under age 18 and 6.00% of those age 65 or over.Capital Region International Airport is a public, Class C airport located 3 miles (5 km) northwest of downtown Lansing, primarily in DeWitt Township.The airport accessible by Grand River Avenue (Business Route 96) and is located south of Interstate 69.