Mind-boggled by Washington Demographics?

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Get the Washington demographic data that you need. You can get the most current Washington data from the US Census Bureau without spending 8 to 10 high-value hours searching the internet.

  • The Washington population is 7,294,336 people according to the US Census Bureau's 2018 American Community Survey.
  • The Washington median household income in the past 12 months is $70,116 in 2018 inflation-adjusted dollars according to the US Census Bureau's 2018 American Community Survey.
  • Washington has 3,064,381 housing units according to the US Census Bureau's 2018 American Community Survey.

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To learn more, click on the letter that the name of your city or county begins with.

How Current are the Data?

The Washington demographics on this site are the most current data available from the US Census Bureau.

Currently, most data points are from 2018 datasets – specifically the 2018 American Community Survey (ACS) 5 year dataset. We use the Census’ ACS 5 year dataset for 3 reasons.

  1. It’s updated every year.
  2. It typically has the smallest margins of error of the Census’ ACS datasets.
  3. It allows for apples to apples comparisons of large geographies to small geographies (i.e. state data to city data).

We’re constantly updating the Radius Reports and this site with the most current data throughout the year.

Got questions about these Washington demographics? Call us at 1-800-939-2130.

Washington Counties by Population

1 King County 2,163,257
2 Pierce County 859,840
3 Snohomish County 786,620
4 Spokane County 497,875
5 Clark County 465,384
6 Thurston County 274,684
7 Kitsap County 262,475
8 Yakima County 249,325
9 Whatcom County 216,812
10 Benton County 194,168

Washington Cities by Population

1 Seattle 708,823
2 Spokane 214,804
3 Tacoma 210,103
4 Vancouver 178,413
5 Bellevue 142,242
6 Kent 128,057
7 Everett 108,941
8 Renton 101,054
9 Federal Way 96,110
10 Spokane Valley 96,070

Washington Zip Codes by Population

1 99301 78,767
2 98052 67,779
3 98012 64,417
4 98682 58,178
5 98208 57,306
6 99208 53,961
7 98115 53,431
8 99336 51,998
9 98103 51,377
10 98391 51,050

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About Us

Washington-Demographics.com is made by Cubit – a demographic data provider. Call us at 1-800-939-2130 or email us.

Cubit Founders Kristen and Anthony

Cubit's co-founders have been working with data for a combined 25 years.

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