99403 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 99403 is White. The majority race/ethnicity attending public schools in 99403 is White. The current unemployment level in 99403 is 5.1%.
| Population | 20,425 |
| Population Growth Rate | 0.38% |
| Population Density | 64 People per Square Mile |
| Total Households | 8,353 |
| Percentage High Income Households | 1.8% |
| Median Household Income (2021) | $56,872 |
| Average Adjusted Gross Income (2021) | $450,240 |
| Current Unemployment Rate (May 2026) | 5.1% |
| Sales Tax Rate (2025) | 8.4% |
| Majority Race/Ethnicty | White - 91.82% |
| Public School Majority Race/Ethnicty | White - 82.06% |
99403 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 18,631 | 91.63% |
| Black | 173 | 0.85% |
| Hispanic | 946 | 4.65% |
| Asian | 255 | 1.25% |
| Native American | 286 | 1.41% |
| Hawaiian/Pac. Islander | 42 | 0.21% |
99403 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 2,077 | 87.16% |
| Black | 26 | 1.09% |
| Hispanic | 213 | 8.94% |
| Asian | 21 | 0.88% |
| Native American | 45 | 1.89% |
| Hawaiian/Pac. Islander | 1 | 0.04% |
99403 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 1,380 | 10.84% |
| Bachelor Degree | 1,409 | 11.07% |
| High School Diploma | 4,026 | 31.64% |
| No High School Diploma | 314 | 2.47% |
| GED or Alternate | 936 | 7.36% |
| 1 or More Years of College | 2,483 | 19.51% |
| Associates Degree | 1,314 | 10.33% |
| Masters Degree | 622 | 4.89% |
| Professional Degree | 111 | 0.87% |
| Doctorate Degree | 131 | 1.03% |