WAOFM - Census - Population Density by County by Decade, 1900 to 2020

Washington state population density by county by decade 1900 to 2020.

Data and Resources

Additional Info

Field Value
Source https://data.wa.gov/resource/e6ip-wkqq
Author Erica Gardner
Last Updated July 22, 2025, 20:39 (UTC)
Created July 22, 2025, 20:39 (UTC)
1. Population density is measured in persons per square mile.
2. The land area measurement used to calculate population density excludes lakes and other water areas within.
3. The 2000, 2010, and 2020 population values used to calculate population density represent OFM adjusted/corrected federal census counts.
4. By using these data the user agrees that the Washington State Office of Financial Management shall not be liable for any activity involving these data with regard to lost profits or savings or any other consequential damages; or the fitness for use of the data for a particular purpose; or the installation of the data, its use, or the results obtained.
Category demographics
Period of Time 1900 to 2020
Posting Frequency every 10 years
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harvest_source_id c4128faf-39ff-4aa3-918e-8a395702cab3
harvest_source_title washington-state