ZIP Code 98221 has segments in 2 Counties (San Juan, Skagit).
The ZIP Code maps and database are updated 4 times per year.
Database updated: October 1, 2025, Maps updated: May 1, 2024.
POPULATION | |
|---|---|
| Total Population | 23,721 (100%) |
| Population in Households | 23,641 (99.7%) |
| Population in Families | 18,460 (77.8%) |
| Population in Group Quarters1 | 80 ( 0.3%) |
| Population Density | 444 |
| Diversity Index2 | 36 |
INCOME | |
| Median Household Income | $106,678 |
| Average Household Income | $142,388 |
| % of Income for Mortgage4 | 46% |
| Per Capita Income | $64,053 |
| Wealth Index5 | 159 |
| Socioeconomic Status Index6 | Moderate (56.3) |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 12,541 (100%) |
| Owner Occupied HU | 7,842 (62.5%) |
| Renter Occupied HU | 2,828 (22.6%) |
| Vacant Housing Units | 1,871 (14.9%) |
| Median Home Value | $782,913 |
| Average Home Value | $885,649 |
| Housing Affordability Index3 | 53 |
HOUSEHOLDS | |
| Total Households | 10,670 |
| Average Household Size | 2.22 |
| Family Households | 6,792 |
| Average Family Size | 3.00 |
GROWTH RATE / YEAR |
2020-2025 | 2025-2030 |
|---|---|---|
| Population | 0.72% | 0.53% |
| Households | 0.96% | 0.63% |
| Families | 0.47% | |
| Median Household Income | 2.86% | |
| Per Capita Income | 2.28% | |
| Owner Occupied HU | 1.10% |
The table below compares 98221 to the other 587 ZIP Codes in Washington by rank and percentile using July 1, 2025 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
| Variable Description | Rank | Percentile |
|---|---|---|
| Total Population | # 154 | 74th |
| Population Density | # 214 | 64th |
| Median Household Income | # 142 | 76th |
| Housing Affordability Index | # 163 | 28th |
| Per Capita Income | # 75 | 87th |
| Diversity Index | # 430 | 27th |
Additional comparisons and rankings can be made with a VERY EASY TO USE Washington Census Data Comparison Tool.