ZIP codes
2
Key Center, WA Demographics & ZIP Codes
Key Center, Washington demographics and median household income by ZIP code (in Pierce County) — 2 ZIP codes — population 12,415 — median income $77,234 — avg. home value $473,950. Compare income, housing, and population across ZIP codes on US5.
Population
12,415
Median household income (avg.)
$77,234
103% of U.S. median
Average home value
$473,950
136% of U.S. median
Average rent
$1,081
93% of U.S. median
Median age (avg.)
43.4
Key Center demographics
Key Center, Washington covers 2 ZIP codes primarily in Pierce County, with a combined ZIP-area population of about 12,415.
Across ZIP codes with age data, the average median age is about 43.4 years.
Median household income in Key Center
The average median household income across ZIP codes in Key Center, Washington is about $77,234 — about 11% below the WA ZIP average ($87,083), and about 3% above the U.S. median ($75,149).
Among ZIPs with income data, 98329 is near the top at about $107,675, while 98394 is near the bottom at about $46,792.
Housing in Key Center
For housing in Key Center, Washington, the average median home value is about $473,950 and the average median rent is about $1,081.
The most populous ZIP in this set is 98329 (about 11,379 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Key Center
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 98329 | Key Center | Pierce County | WA | 11,379 | $107,675 | $476,400 |
| 98394 | Key Center | Pierce County | WA | 1,036 | $46,792 | $471,500 |
Frequently asked questions
What are the demographics of Key Center?
Key Center, Washington has a combined ZIP-area population of about 12,415 across 2 ZIP codes (primarily Pierce County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Key Center?
The average median household income across ZIP codes in Key Center, Washington is about $77,234, about 11% below the state ZIP average ($87,083), and about 3% above the U.S. median ($75,149). Average median home value is about $473,950. Among ZIPs with data, 98329 is near the top ($107,675) and 98394 is near the bottom ($46,792).
How many ZIP codes are in Key Center?
Key Center, Washington includes 2 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Key Center?
This page lists ZIP codes in Key Center, Washington with population, median household income, and home value. Select a ZIP for a full demographics profile.