Washington
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Washington Population News Articles
Population Density
Historic & Projected Growth
Population by County
POPULATION DENSITY
People per square mile, 2010: 101.2
People per square mile, 2020: 115.9
HISTORIC & PROJECTED GROWTH 1790 TO 2040
Year |
Population |
1790 |
0 |
1800 |
0 |
1810 |
0 |
1820 |
0 |
1830 |
0 |
1840 |
0 |
1850 |
1,201 |
1860 |
11,594 |
1870 |
23,955 |
1880 |
75,116 |
1890 |
357,232 |
1900 |
518,103 |
1910 |
1,141,990 |
1920 |
1,356,621 |
1930 |
1,563,396 |
1940 |
1,736,191 |
1950 |
2,378,963 |
1960 |
2,853,214 |
1970 |
3,413,244 |
1980 |
4,132,353 |
1990 |
4,866,692 |
2000 |
5,894,121 |
2010 |
6,724,540 |
2020 |
7,705,281 |
2030 |
*8,746,493 |
2040 |
*9,776,126 |
Sources: Census figures from U.S. Bureau of the Census & *Estimates from Weldon Cooper Center, Demographics Research Group
(The Census Bureau and Weldon Cooper Center have not yet provided updated State projections to reflect 2020 census numbers.)
Population by County
Census 2020 Population |
Census 2010 Population |
Change from 2010 |
Percent Change |
|
WASHINGTON |
7,705,281 |
6,724,540 |
980,741 |
14.58% |
Adams County |
20613 |
18,728 |
1,885 |
10.07% |
Asotin County |
22285 |
21,623 |
662 |
3.06% |
Benton County |
206873 |
175,177 |
31,696 |
18.09% |
Chelan County |
79074 |
72,453 |
6,621 |
9.14% |
Clallam County |
77155 |
71,404 |
5,751 |
8.05% |
Clark County |
503311 |
425,363 |
77,948 |
18.33% |
Columbia County |
3952 |
4,078 |
-126 |
-3.09% |
Cowlitz County |
110730 |
102,410 |
8,320 |
8.12% |
Douglas County |
42938 |
38,431 |
4,507 |
11.73% |
Ferry County |
7178 |
7,551 |
-373 |
-4.94% |
Franklin County |
96749 |
78,163 |
18,586 |
23.78% |
Garfield County |
2286 |
2,266 |
20 |
0.88% |
Grant County |
99123 |
89,120 |
10,003 |
11.22% |
Grays Harbor County |
75636 |
72,797 |
2,839 |
3.90% |
Island County |
86857 |
78,506 |
8,351 |
10.64% |
Jefferson County |
32977 |
29,872 |
3,105 |
10.39% |
King County |
2269675 |
1,931,249 |
338,426 |
17.52% |
Kitsap County |
275611 |
251,133 |
24,478 |
9.75% |
Kittitas County |
44337 |
40,915 |
3,422 |
8.36% |
Klickitat County |
22735 |
20,318 |
2,417 |
11.90% |
Lewis County |
82149 |
75,455 |
6,694 |
8.87% |
Lincoln County |
10876 |
10,570 |
306 |
2.89% |
Mason County |
65726 |
60,699 |
5,027 |
8.28% |
Okanogan County |
42104 |
41,120 |
984 |
2.39% |
Pacific County |
23365 |
20,920 |
2,445 |
11.69% |
Pend Oreille County |
13401 |
13,001 |
400 |
3.08% |
Pierce County |
921130 |
795,225 |
125,905 |
15.83% |
San Juan County |
17788 |
15,769 |
2,019 |
12.80% |
Skagit County |
129523 |
116,901 |
12,622 |
10.80% |
Skamania County |
12036 |
11,066 |
970 |
8.77% |
Snohomish County |
827957 |
713,335 |
114,622 |
16.07% |
Spokane County |
539339 |
471,221 |
68,118 |
14.46% |
Stevens County |
46445 |
43,531 |
2,914 |
6.69% |
Thurston County |
294793 |
252,264 |
42,529 |
16.86% |
Wahkiakum County |
4422 |
3,978 |
444 |
11.16% |
Walla Walla County |
62584 |
58,781 |
3,803 |
6.47% |
Whatcom County |
226847 |
201,140 |
25,707 |
12.78% |
Whitman County |
47973 |
44,776 |
3,197 |
7.14% |
Yakima County |
256728 |
243,231 |
13,497 |
5.55% |
SOURCE: U.S. Bureau of the Census
Washington Population News Articles
Washington state diverted $340M in federal COVID funds to immigrants, including via $1,000 checks – Feb 3, 2024
$47 million infrastructure investment helps pave the way for more than 3,000 new affordable housing units – Jan 30, 2024
Washington had sixth-highest U.S. homelessness rate in 2023 – Jan 11, 2024
Smoke reduced life expectancy across Washington – Jan 10, 2024
Washington is No. 7 on U-Haul Growth Index of States With Biggest Gain in Population – Jan 8, 2024
Seattle air quality among worst in world due to wildfire smoke – August 20, 2023
Discover the 10 Fastest-Growing Counties in Washington State – August 13, 2023
Washington cities, counties now required to plan for climate change – August 8, 2023
Study: 49,000 new homes built last year in Washington not enough – August 2, 2023
ICE now using two Washington airports for deportation flights – August 2, 2023
Drought declared in 12 Washington counties – July 25, 2023
King County isn’t king of building housing – September 9, 2022
Parts of Washington experienced worst air quality in the world this week, NWS says – September 9, 2022
As population grows, this Eastern Washington county looks to nuclear power – August 25, 2022
Tri-Cities population growth outpaces housing availability – August 23, 2022
Central, eastern Washington at higher risk of wildfires this year due to drought conditions, experts say – May 24, 2022
How Washington’s vineyards are adapting to a changing climate: Travel For Good – May 17, 2022
Citizens group appeals King County permit for controversial asphalt plant near Cedar River – May 6, 2022
Fecal pollution restricts shellfish harvest in Mason, Pierce, Snohomish, and Thurston counties – May 4, 2022
Washington state moves to electrify new buildings by requiring heat pumps – Apr 29, 2022
Contractor from Battle Ground fined $136,000 for water quality violations – February 1, 2022
Proposed law would force cities to increase housing density in single-family neighborhoods – January 20, 2022
Granite fined $36K for asphalt plant emissions – January 18, 2022
Inslee calls on lawmakers to address safe housing, clean transportation – January 11, 2022
How we’ve grown – January 5, 2022
A new tool suggests we’re underestimating the environmental cost of new roads – October 21, 2021
Washington wineries considering dramatic changes for climate change – October 14, 2021
Climate change forces WA apple cider industry to adjust – October 12, 2021
Farewell, fall: Climate change snuffing out much of western Washington’s autumn foliage – October 5, 2021
‘Nobody likes to swim in poopy water:’ Washington beaches close due to high bacteria level – July 23, 2021
Advocates voice concerns as Washington state’s aviation commission considers expanding an airport – April 30, 2021
After devastating fires, Washington considers moving embattled sage grouse onto the state endangered species list – April 29, 2021
Washington State’s Population Up Nearly 15% From 2010 – April 26, 2021
Major Carbon Sources, WA Measure Could Give Buildings Makeovers – January 29, 2021
Washington Becomes First State to Hold Climate Assembly – January 20, 2021
Centralia coal-burning plant shutters unit nine years after Washington law passes to cut emissions – December 31, 2020
Washington state prepares to adjudicate Lake Roosevelt water rights – October 30, 2020
U.S. Navy, state leaders at odds over proposal that could affect Washington’s orcas – October 10, 2020
Wildfire smoke is still hurting Washington, weeks later – October 6, 2020
Bellingham Population nearing 100,000 People – October 5, 2020
East Fork partnership draft cleanup plan released – Aug 31, 2020
Natural Gas Industry Misleads, Environmental Groups Say – Aug 31, 2020
A Novel Building Material Gets a Big Washington State Test Run – Aug 30, 2020
Oregon, Washington policymakers grapple with the Columbia River Gorge – Aug 16, 2020
A reminder that the Southern resident orcas are still struggling – July 6, 2020
Climate Change Forcing Farmers to Choose Between Low Yields or Income Instability – July 10, 2020
Washington population tops 7.6 million – June 30, 2020
How Has the Coronavirus Shutdown Affected Air Quality? – June 29, 2020
Here’s What Climate Change Means for Wildfires in the West – June 23, 2020
With more people staying home, Washington skies are cleaner – April 6, 2020
UPDATE: Washington State Adopts California’s Zero-Emission Vehicle Mandate – Mar 25, 2020
For the first time, Washington will regulate Columbia-Snake River dams if they violate federal pollution rules – May 15, 2020
Air quality report: Washington cities see worst-ever air quality rankings over three-year period – April 23, 2020
Puget Sound was supposed to be healthy by now. It’s not – December 4, 2019
Communities around Sea-Tac Airport exposed to a unique mix of air pollution associated with aircraft – December 3, 2019
Sorry, climate: Washington state’s carbon emissions stay stubbornly high – November 20, 2019
Washington Partnership Fosters Collaboration for Flood Plain Restoration – November 19, 2019
People moved to Washington and Idaho most from these states in 2018 – November 7, 2019
Washington falls slightly in State Energy Efficiency Scorecard rankings – October 7, 2019
WDFW putting climate change, population growth at forefront of new planning process – October 4, 2019
A population explosion on popular trails: One more impact of growth – September 24, 2019
Endangered orca population continues decline – August 9, 2019
Cost of commuting about to spike in Seattle – August 8, 2019
Fecal contamination found at 41 percent of beaches in Wash. State – July 23, 2019
How this rainy July could help ease — but not fix — WA’s drought – July 16, 2019
71% of Washington state’s population now living in drought-affected area – June 6, 2019
Human Population Growth Threatens Endangered Whales – June 3, 2019
In Washington state, classrooms are putting climate change at the forefront of K-12 education – May 28, 2019
Seattle population increases but 93 U.S. cities are growing faster, census data says – May 23, 2019
Fact-checking presidential candidate Jay Inslee on climate change and ‘the worst air in the world’ – March 8, 2019
More regional airports studied as Washington eyes population growth – March 6, 2019
Civil Engineers Give Washington ‘C’ on Infrastructure Report – January 28, 2019
Washington Is Growing Really Fast: Report – January 27, 2019
Washington unveils plan to better prevent and respond to wildfire – January 21, 2019
Washington Governor Highlights Climate in State of the State – January 15, 2019
Researcher: Calf Born to Endangered Pacific Northwest Orcas – January 11, 2019