119th Congress · WA-9
Washington's 9th Congressional District
Washington's 9th Congressional District (WA-9) has a population of 765,852. The median household income is $97,895 and the median age is 37.3.
765,852
Population
4193
People / sq mi
$97,895
Median Income
37.3
Median Age
WA-9 covers 183 sq mi of land at 4193.3 people per square mile.
Race & Ethnicity
| White | 42.9% |
| Black or African American | 12.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.6% |
Economy & Income
$97,895
Median Household Income
$53,976
Per Capita Income
7.4%
Poverty Rate
3.8%
Unemployment
Housing
$646,600
Median Home Value
$1,842
Median Rent
56.1%
Homeownership
Education
89.4%
High School+
41.5%
Bachelor's+
Other Washington Congressional Districts
Largest cities in Washington
Largest counties in Washington
State rankings
Frequently Asked Questions
Washington's 9th Congressional District (WA-9) has a population of 765,852 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 9th Congressional District is $97,895, with a per capita income of $53,976.
Washington's 9th Congressional District is 42.9% White, 12.3% Black, 0.0% Asian, and 2.6% Hispanic or Latino, per Census ACS data.
More from Washington
Data for Washington's 9th 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.
Washington's 9th Congressional District stands apart on settlement density — it is among the most densely settled of US congressional districts, at roughly 4,193 people per square mile. With 765,852 residents, Washington's 9th Congressional District is a congressional district in Washington.
Households take in a median $97,895, comfortably above the US median of $78,538. Poverty runs at 7.4%, below the national 12.4%. The median home value is $646,600, with typical rent around $1,842.
Educational attainment is on the higher side for US congressional districts — 41.5% of adults hold a four-year degree, above the national 35.0%.
That density explains much of the rest of the profile in Washington's 9th Congressional District: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Source: U.S. Census Bureau ACS, 2026.