ZIP codes
9
San Juan County, WA Demographics & ZIP Codes
San Juan County, Washington demographics and median household income by ZIP code — 9 ZIP codes — population 18,086 — avg. income $84,806 — avg. home value $744,767. Compare income, housing, and ZIP-level data on US5.
Population
18,086
Median household income (avg.)
$84,806
113% of U.S. median
Average home value
$744,767
214% of U.S. median
Average rent
$1,257
108% of U.S. median
San Juan County demographics
San Juan County, Washington covers 9 ZIP codes, with a combined ZIP-area population of about 18,086.
Median household income in San Juan County
The average median household income across ZIP codes in San Juan County, Washington is about $84,806 — about 3% below the WA ZIP average ($87,083), and about 13% above the U.S. median ($75,149).
Among ZIPs with income data, 98243 is near the top at about $123,393, while 98297 is near the bottom at about $60,500.
Housing in San Juan County
For housing in San Juan County, Washington, the average median home value is about $744,767 and the average median rent is about $1,257.
The most populous ZIP is 98250 (Roche Harbor) with about 9,127 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in San Juan County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 98250 | Roche Harbor | San Juan County | WA | 9,127 | $90,146 | $745,700 |
| 98245 | — | San Juan County | WA | 4,206 | $76,579 | $694,100 |
| 98261 | — | San Juan County | WA | 3,030 | $78,871 | $700,900 |
| 98279 | — | San Juan County | WA | 650 | $78,750 | $820,700 |
| 98280 | — | San Juan County | WA | 427 | $80,250 | $926,800 |
| 98243 | — | San Juan County | WA | 337 | $123,393 | $1,043,500 |
| 98286 | — | San Juan County | WA | 135 | $70,357 | $621,000 |
| 98222 | — | San Juan County | WA | 126 | $104,412 | $741,100 |
| 98297 | — | San Juan County | WA | 48 | $60,500 | $409,100 |
Frequently asked questions
What are the demographics of San Juan County?
San Juan County, Washington has a combined ZIP-area population of about 18,086 across 9 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in San Juan County?
The average median household income across ZIP codes in San Juan County, Washington is about $84,806, about 3% below the state ZIP average ($87,083), and about 13% above the U.S. median ($75,149). Average median home value is about $744,767. Among ZIPs with data, 98243 is near the top ($123,393) and 98297 is near the bottom ($60,500).
How many ZIP codes are in San Juan County?
San Juan County, Washington includes 9 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for San Juan County?
This page lists ZIP codes in San Juan County, Washington with population, median household income, and home value. Select a ZIP for a full demographics profile.