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Population Review

Census ACS · Washington

ZIP Code 98118

ZIP code 98118 is located in Washington with a population of 49,560. The median household income is $109,085 and the median home value is $746,400.

49,560

Population

$109,085

Median Income

$746,400

Median Home Value

38.0

Median Age

Race & Ethnicity

White39.3%
Black18.5%
Asian0.2%
Hispanic (any race)3.9%

Male: 50.4% · Female: 49.6%

Economy & Income

$109,085

Median Household Income

$57,322

Per Capita Income

7.6%

Poverty Rate

Housing

$746,400

Median Home Value

$1,831

Median Rent

57.5%

Homeownership

Education

89.7%

High School+

49.0%

Bachelor's Degree+

Nearby ZIP Codes

Largest cities in Washington

Part of Washington

Metro areas in Washington

Frequently Asked Questions

ZIP code 98118 in Washington has a population of 49,560 according to latest Census ACS data.

The median household income in ZIP 98118 is $109,085. The per capita income is $57,322. The poverty rate is 7.6%.

ZIP code 98118 is located in Washington.

Data for ZIP Code Tabulation Area (ZCTA) 98118 from the American Community Survey 5-Year estimates. ZCTAs approximately correspond to USPS ZIP code delivery areas but are built from Census blocks and may not match exactly.

What distinguishes ZIP 98118 is density: among the most densely settled of US ZIP codes, around 7,941 people per square mile. ZIP 98118 is a ZIP code in Washington with a population of 49,560.

Households take in a median $109,085, comfortably above the US median of $78,538. About 7.6% of residents live below the federal poverty level, below the national 12.4%. Real estate commands a premium here — a median home value of $746,400, with typical rent around $1,831.

About 49.0% of adults 25 and older have a bachelor’s degree, above the 35.0% national figure.

That density explains much of the rest of the profile in ZIP 98118: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.

Source: U.S. Census Bureau ACS, 2026.