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Cosmopolis, WA Demographics & ZIP Codes
Cosmopolis, Washington demographics and median household income by ZIP code (in Grays Harbor County) — 1 ZIP codes — population 2,902 — median income $74,421 — avg. home value $301,400. Compare income, housing, and population across ZIP codes on US5.
Population
2,902
Median household income (avg.)
$74,421
99% of U.S. median
Average home value
$301,400
87% of U.S. median
Average rent
$867
75% of U.S. median
Median age (avg.)
41.8
Cosmopolis demographics
Cosmopolis, Washington covers 1 ZIP code primarily in Grays Harbor County, with a combined ZIP-area population of about 2,902.
Across ZIP codes with age data, the average median age is about 41.8 years.
Median household income in Cosmopolis
The average median household income across ZIP codes in Cosmopolis, Washington is about $74,421 — about 15% below the WA ZIP average ($87,083), and about even with the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $74,421 in 98537.
Housing in Cosmopolis
For housing in Cosmopolis, Washington, the average median home value is about $301,400 and the average median rent is about $867.
The most populous ZIP in this set is 98537 (about 2,902 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Cosmopolis
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 98537 | Cosmopolis | Grays Harbor County | WA | 2,902 | $74,421 | $301,400 |
Frequently asked questions
What are the demographics of Cosmopolis?
Cosmopolis, Washington has a combined ZIP-area population of about 2,902 across 1 ZIP codes (primarily Grays Harbor County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Cosmopolis?
The average median household income across ZIP codes in Cosmopolis, Washington is about $74,421, about 15% below the state ZIP average ($87,083), and near the U.S. median ($75,149). Average median home value is about $301,400.
How many ZIP codes are in Cosmopolis?
Cosmopolis, Washington includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Cosmopolis?
This page lists ZIP codes in Cosmopolis, Washington with population, median household income, and home value. Select a ZIP for a full demographics profile.