99109 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Washington based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 99109 is White. The majority race/ethnicity attending public schools in 99109 is White. The current unemployment level in 99109 is 5.1%.
| Population | 4,894 |
| Population Growth Rate | -11.59% |
| Population Density | 20 People per Square Mile |
| Total Households | 2,145 |
| Percentage High Income Households | 0.4% |
| Median Household Income (2021) | $50,944 |
| Average Adjusted Gross Income (2021) | $366,190 |
| Current Unemployment Rate (May 2026) | 5.1% |
| Sales Tax Rate (2025) | 8% |
| Majority Race/Ethnicity | White - 94.77% |
| Public School Majority Race/Ethnicity | White - 84.56% |
99109 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 4,277 | 93.47% |
| Black | 3 | 0.07% |
| Hispanic | 158 | 3.45% |
| Asian | 13 | 0.28% |
| Native American | 62 | 1.35% |
| Hawaiian/Pac. Islander | 63 | 1.38% |
99109 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 597 | 91.99% |
| Black | 1 | 0.15% |
| Hispanic | 40 | 6.16% |
| Asian | 3 | 0.46% |
| Native American | 7 | 1.08% |
| Hawaiian/Pac. Islander | 1 | 0.15% |
99109 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|
| Less Than 1 Year of College | 387 | 11.38% |
| Bachelor Degree | 514 | 15.12% |
| High School Diploma | 919 | 27.03% |
| No High School Diploma | 30 | 0.88% |
| GED or Alternate | 242 | 7.12% |
| 1 or More Years of College | 678 | 19.94% |
| Associates Degree | 422 | 12.41% |
| Masters Degree | 153 | 4.5% |
| Professional Degree | 23 | 0.68% |
| Doctorate Degree | 32 | 0.94% |
