Males had a median income of $55,297 versus $35,435 for females. The per capita income for the county was $29,475. About 4.9% of families and 7.0% of the population were below the poverty line, including 10.6% of those under age 18 and 6.3% of those age 65 or over.
The Andes Mountains. The Andes Mountains form one of the longest mountain ranges on Earth, stretching over 7,000 km (4,400 miles) along the west coast of South America.The Andes are very narrow in most places and the average width of the Andes is 200 km (124 miles).The height of the Andes is about 4,000 meters (13,123 feet) high, and it includes peaks above 6,000 meters (19,685 feet).he Andes are very narrow in most places and the average width of the Andes is 200 km (124 miles). The height of the Andes is about 4,000 meters (13,123 feet) high, and it includes peaks above 6,000 meters (19,685 feet).
The Cascade mountains were formed by a subduction zone with the Juan De Fuca plate went under the North American plate why the Juan De Fuca went under was because its more den â¦ se than the North American plate.he arc has formed due to subduction along the Cascadia subduction zone. Western Cascades: These mountains formed roughly 40 million years ago as a chain of volcanoes on the then-coastline of Oregon. By 500,000 years ago, the magma had shifted eastward to form the younger High Cascades.