County Transportation Metrics is a project of the Washington State Association of Counties (WSAC) and will provide a roadmap for setting transportation priorities.

Cowlitz County

Cowlitz County is located on the Columbia River, adjacent to the Portland metropolitan area. The county has two active ports, a highly-productive wood-products industry, two paper mills, a diverse manufacturing base and strong rail and interstate linkages. The county seat is Kelso and the largest city is Longview. The name Cowltz is an anglicized version of the Cowlitz Indian term, Cow-e-liske, meaning "river of shifting sands" or "capturing the medicine spirit." Cowlitz County was formed in 1854.

Roughly one sixth of the county's employment base is in manufacturing, including paper mills, sawmills, a large chicken processer and smaller machinery, fabricated metal and chemical producers.

Population (OFM Databook, 2011) 

Population (2011) 102,700
Population Change (2000 to 2010)      0.1%
Land Area (Sq. Mi.) 1,140.13
Density (Population/Sq. Mi.) 90.08

Municipalities/Population 

Castle Rock                                                    1,995
Kalama 2,365
Kelso 11,920
Longview 36,730

Major Highways

  • Interstate 5
  • State Route 4
  • State Route 411
  • State Route 432
  • State Route 503
  • State Route 504

County Roads (CRAB and OFM, 2011)

Total Center Lane Miles
530.93
Maintenance Expenditures
$ 8,048,485
Preservation Expenditures
$ 1,921,886
Improvement Expenditures
$ 36,773
 

County Revenues  & Expenditures (OFM Databook, 2011)

Total Revenues
$ 95,725,917
Total Expenditures
$ 90,826,231
Transportation Expenditures
$ 12,834,407

Performance Measures

Links & Sources


Washington State Association of Counties
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