Washington ZIP Codes & Demographics
Washington ZIP codes, demographics, and median household income — 605 ZIP codes — population 7,740,873 — avg. income $87,083 — avg. home value $467,362. Compare counties, cities, and ZIP-level data on US5.
Washington demographics
Washington has 605 ZIP codes across 39 counties on US5, with a combined ZIP-area population of about 7,740,873.
Across ZIP codes with age data, the average median age is about 43.0 years.
Among cities represented in this ZIP set, Pasco is among the largest population centers.
Median household income in Washington
The average median household income across ZIP codes in Washington is about $87,083 — about 16% above the U.S. median ($75,149).
Among ZIPs with income data, 98075 (Sammamish) is near the top at about $250,001, while 99034 is near the bottom at about $11,288.
Housing in Washington
For housing in Washington, the average median home value is about $467,362 and the average median rent is about $1,244.
The most populous ZIP is 99301 (Pasco) with about 86,467 residents. Use the table below to compare ZIP codes across the state.
ZIP codes in Washington
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Frequently asked questions
How many ZIP codes are in Washington?
Washington has 605 ZIP codes on US5 across 39 counties. Each row links to demographics, median income, and housing for that code.
What are the demographics of Washington?
Washington has a combined ZIP-area population of about 7,740,873 across 605 ZIP codes. Browse the table on this page for population, income, and housing by ZIP.
What is the median household income in Washington?
The average median household income across ZIP codes in Washington is about $87,083, about 16% above the U.S. median ($75,149). Average median home value is about $467,362. Among ZIPs with data, 98075 (Sammamish) is near the top ($250,001) and 99034 is near the bottom ($11,288).
Where can I find ZIP code lists for Washington?
This page lists ZIP codes in Washington with population, median household income, and home value. Sort the table or open a ZIP for a full demographics profile.
ZIP rankings in Washington
Explore curated boards for highest income, largest population, and most affordable home values.