Growth of Population and Urbanized Land in the Seattle-Everett & Tacoma Urbanized Areas

Year Population Urbanized
Land Area - sq. mi.
Population
Change - %
Land Area
Change - %
Density - Persons/
sq. mi.
Density
Change - %
1970 1,570,628 541.8 -- -- 2,899 --
1980 1,793,612 672.0 14.2 24.0 2,669 -7.9
1990 2,241,296 820.7 25.0 22.1 2,731 2.3
2000 2,712,205 953.6 21.0 16.2 2,844 4.1
1970-2000 -- -- 72.7 76.0 -- -1.9 

Prepared by Integrated Transport Research, Inc. from U.S. Census data