119th Congress · WA-4
Washington's 4th Congressional District
Washington's 4th Congressional District (WA-4) has a population of 775,997. The median household income is $74,394 and the median age is 34.8.
775,997
Population
43
People / sq mi
$74,394
Median Income
34.8
Median Age
WA-4 covers 17,885 sq mi of land at 43.4 people per square mile.
Race & Ethnicity
| White | 60.6% |
| Black or African American | 1.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 4.5% |
Economy & Income
$74,394
Median Household Income
$34,398
Per Capita Income
10.2%
Poverty Rate
3.6%
Unemployment
Housing
$323,900
Median Home Value
$1,125
Median Rent
66.7%
Homeownership
Education
82.0%
High School+
23.8%
Bachelor's+
Other Washington Congressional Districts
Largest cities in Washington
Largest counties in Washington
State rankings
Frequently Asked Questions
Washington's 4th Congressional District (WA-4) has a population of 775,997 according to the latest Census ACS 5-Year estimates. Each US Congressional District is drawn to be roughly equal in population (~760K people).
The median household income in Washington's 4th Congressional District is $74,394, with a per capita income of $34,398.
Washington's 4th Congressional District is 60.6% White, 1.2% Black, 0.0% Asian, and 4.5% Hispanic or Latino, per Census ACS data.
More from Washington
Data for Washington's 4th Congressional District (119th Congress) from the American Community Survey 5-Year estimates. Land area from the Census Gazetteer files. Congressional districts are redrawn after each decennial Census; the 119th Congress (current) uses post-2020 boundaries.
The this entity record above pulls directly from the U.S. Census Bureau ACS and decennial files. What follows is the per-entity context — how this entity sits in the broader U.S. population demographics distribution and which underlying factors drive the headline numbers.
Every number on this page links back to the U.S. Census Bureau ACS and decennial files; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. states, metros, cities, and ZIPs with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: U.S. Census Bureau ACS, 2026.