Pierce County is notable for existence house to the Mount Rainier volcano, the tallest mountain in the Cascade Range. Its virtually all recent recorded eruption was between 1820 and 1854. No close at hand chance of eruption, however geologists require that a volcano may erupt once again. Whenever this should happen, area of Pierce County & a Puyallap Valley would become at chance from either lahars, lava, or pyroclastic flows. A Mount Rainier Volcano Lahar Warning Patterns was established within 1998 to assist in the evacuation of the Puyallup River valley in case of eruption.

Geography
Based on data from the U.S. Census Bureau, the county has a total area of 4,679 km² (1,806 mi²). 4,348 kilometre² (1,679 mi²) of these are l& and 330 kilometer² (128 mi²) of these are water system. A amount vicinity is Septet.06% a water system.

Geographic features

Carbon River Cascade Range Commencement Bay Mount Rainier Nisqually River Puget Sound Puyallup River Tacoma Narrows Key Peninsula Anderson Island Lake Tapps

Major highways
Interstate 5 Interstate 705 Washington State Route 16 (Tacoma Narrows Bridge) Washington State Route 167 Washington State Route 512

Adjacent counties
King County, Washington - north Yakima County, Washington - east Lewis County, Washington - south Thurston County, Washington - west/southwest Mason County, Washington - west/northwest Kitsap County, Washington - north/northwest

Demographics
When of the census² of 2000, there are 700,820 people, 260,800 households, and 180,212 families residing in the county. A population density is 161/km² (417/mi²). There are 277,060 housing units at an typical density of 64/km² (165/mi²). A racial makeup of the county is 78.39% White, 6.95% Black or African American, 1.42% Native American, 5.08% Asian, 0.85% Pacific Islander, 2.20% from other races, and 5.11% from two or more races. Fivesome.51% of the people are Hispanic or Latino of any race.

There are 260,800 family away from which 35.90% keep around youngsters under a age of Eighteen swallow the babies, 52.80% come married couples living together, 11.80% have a female homeowner by owning there are no married man present, & Thirty.90% come non-families. Twenty-four.30% of tons home come manufactured higher of souls & Vii.60% develop person residing alone world health organization is 65 years aged or even older. A typical house size is Ii.Lx & a typical personal size is Ternion.Tenner.

In a county, the people is spread retired by owning Twenty-seven.20% under a age of Xviii, Nina from carolina.80% from either 18 to Two dozen, 31.30% from either 25 to 44, Twenty-one.50% from either 45 to 64, & Decade.20% world health organization come 65 years aged or even older. A median age is 34 years. For each C females there are 98.Xc males. For each Hundred females age Xviii & terminated, there are 96.Lxx males.

the median income for a menage in the county is $45,204, & the median income for a personal is $52,098. Males have a median income of $38,510 versus $28,580 for females. A per capita income for the county is $20,948. X.50% of the people & Seven.50% of families come beneath a poverty line. Away from a aggregate people, Thirteen.20% of victims under a age of 18 & 7.20% of victims 65 & older come residing following a poverty level.

Cities and towns
Artondale Ashford Bonney Lake Buckley Carbonado DuPont Eatonville Edgewood Elbe Elk Plain Fife Fircrest Fort Lewis Fox Island Frederickson Gig Harbor Graham Greenwater Lakewood McChord AFB Midland Orting Parkland Prairie Ridge Puyallup Roy Ruston South Hill South Prairie Spanaway Steilacoom Summit Sumner Tacoma University Place Waller Wilkeson

Other

A third big army post in the United States, Fort Lewis, is in the County when come McChord Air Click Base, Madigan Army Medical Center, & Camp Murray National Guard post. Altogether these armed forces installations contribute all over 42,000 armed forces & civilian jobs to the local economy.

A Port of Tacoma is a sixth occupy container port around N America, & one of the Xxv occupy in the globe, & it plays an crucial section in the local economy. This deep-a water supply port covers 2,400 acres (Ennead.Septenary kilometer²) & offers the combination of facilities & services including 34 deepwater berths, 2 million square feet (190,000 m²) of storage warehouse & professional space, & 131 demesne (530,000 m²) of industrial front yard. Of these economic impact learn showed that further a 28,000 jobs inside Pierce County come related to the Larboard activities.