99158 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 99158 is White. The majority race/ethnicity attending public schools in 99158 is White. The current unemployment level in 99158 is 5.1%.
| Population | 619 |
| Population Growth Rate | -7.36% |
| Population Density | 8 People per Square Mile |
| Total Households | 216 |
| Percentage High Income Households | 3.2% |
| Median Household Income (2021) | $60,114 |
| Average Adjusted Gross Income (2021) | $170,240 |
| Current Unemployment Rate (May 2026) | 5.1% |
| Sales Tax Rate (2025) | 7.9% |
| Majority Race/Ethnicity | White - 96.8% |
| Public School Majority Race/Ethnicity | White - 91.5% |
99158 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 544 | 96.8% |
| Black | 12 | 2.14% |
| Hispanic | 6 | 1.07% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
99158 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 140 | 95.89% |
| Black | 0 | 0% |
| Hispanic | 6 | 4.11% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
99158 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|
| Less Than 1 Year of College | 31 | 7.79% |
| Bachelor Degree | 74 | 18.59% |
| High School Diploma | 93 | 23.37% |
| No High School Diploma | 10 | 2.51% |
| GED or Alternate | 30 | 7.54% |
| 1 or More Years of College | 97 | 24.37% |
| Associates Degree | 26 | 6.53% |
| Masters Degree | 29 | 7.29% |
| Professional Degree | 3 | 0.75% |
| Doctorate Degree | 5 | 1.26% |