This program offers federally recognized tribes, state tribal liaisons, local governments, councils of government, and regional planning organizations the opportunity to review and modify select statistical boundaries that the Census Bureau uses to report the data that they collect. Registration will be March-May 2018. The work will be completed January-July 2019.

What are the affected geographies?

Related resources

The Local Update of Census Addresses operation or LUCA, is a voluntary decennial census operation. LUCA is the only opportunity prior to the 2020 Census for tribal, state, and local governments to review and update the U.S. Census Bureau’s residential address list and flag group quarters for their jurisdiction.

The intent of the 2020 Census is to count everyone living in the United States, including people experiencing homelessness or living in transitory locations. General information about how the homeless will be counted and categorized in the 2020 Census results is provided below, as well as references to more detailed explanations.

Understand the typology of hard-to-count (HTC)

In every census, there are certain socioeconomic and demographic factors that include age, housing status, and language that can influence self-response. The traditional socioeconomic and demographic factors that have tended to correlate with lower levels of self-response have included:

2017 projections

• Report
  • Growth management population projections
• County population projections
  • County projections graphs

2010–2024

Median Age, 2023

In 2010, the median age of persons living in Washington state was 37.3 years. In 2023 the median age had increased to 38.8 years.

Jefferson County had the highest median age in 2010 at 53.9 years. By 2023, the median age in Jefferson County had reached 64.1 years.

2023

In 2022, the highest percentages of Hispanic residents were found in central Washington with Adams (65.6%), Franklin (55.4%), and Yakima (52.4%) counties posting the highest shares.