Grant County, WA Demographics & ZIP Codes
Grant County, Washington demographics and median household income by ZIP code — 14 ZIP codes — population 96,593 — avg. income $69,512 — avg. home value $256,333. Compare income, housing, and ZIP-level data on US5.
Grant County demographics
Grant County, Washington covers 14 ZIP codes, with a combined ZIP-area population of about 96,593.
Median household income in Grant County
The average median household income across ZIP codes in Grant County, Washington is about $69,512 — about 20% below the WA ZIP average ($87,083), and about 8% below the U.S. median ($75,149).
Among ZIPs with income data, 99321 (Schwana) is near the top at about $90,428, while 98824 (George) is near the bottom at about $50,795.
Housing in Grant County
For housing in Grant County, Washington, the average median home value is about $256,333 and the average median rent is about $799.
The most populous ZIP is 98837 (Moses Lake) with about 47,399 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Grant County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 98837 | Moses Lake | Grant County | WA | 47,399 | $70,732 | $290,000 |
| 98848 | Quincy | Grant County | WA | 13,014 | $85,133 | $308,800 |
| 98823 | Ephrata | Grant County | WA | 12,661 | $77,361 | $256,400 |
| 99349 | Desert Aire | Grant County | WA | 8,098 | $62,851 | $409,000 |
| 98851 | Soap Lake | Grant County | WA | 4,996 | $67,009 | $240,500 |
| 98857 | Warden | Grant County | WA | 3,935 | $57,743 | $194,400 |
| 99357 | Royal City | Grant County | WA | 3,550 | $69,120 | $307,400 |
| 99123 | Electric City | Grant County | WA | 952 | $78,942 | $247,700 |
| 99321 | Schwana | Grant County | WA | 905 | $90,428 | — |
| 99135 | Hartline | Grant County | WA | 441 | $86,667 | $198,000 |
| 98860 | Wilson Creek | Grant County | WA | 245 | $51,250 | $184,200 |
| 98824 | George | Grant County | WA | 239 | $50,795 | $180,200 |
| 98832 | Krupp (Marlin) | Grant County | WA | 158 | $55,625 | $259,400 |
| 98853 | — | Grant County | WA | — | — | — |
Frequently asked questions
What are the demographics of Grant County?
Grant County, Washington has a combined ZIP-area population of about 96,593 across 14 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Grant County?
The average median household income across ZIP codes in Grant County, Washington is about $69,512, about 20% below the state ZIP average ($87,083), and about 8% below the U.S. median ($75,149). Average median home value is about $256,333. Among ZIPs with data, 99321 (Schwana) is near the top ($90,428) and 98824 (George) is near the bottom ($50,795).
How many ZIP codes are in Grant County?
Grant County, Washington includes 14 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Grant County?
This page lists ZIP codes in Grant County, Washington with population, median household income, and home value. Select a ZIP for a full demographics profile.