| ZIP Code | 99170 |
|---|---|
| City | Rosalia |
| State | Washington (WA) |
| County | Whitman County |
| Area Code | 509 |
| Elevation | 2,491 ft |
| Latitude | 47.252956 |
|---|---|
| Longitude | -117.397216 |
| Timezone | Los Angeles (DST) |
| FIPS | 53075 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 46.2 yrs |
|---|---|
| Avg Household Size | 2.47 |
| Below Poverty | 13.9% ▲ 39% above avg |
| College Grads | 43.0% ▲ 11% above avg |
| Unemployment | 6.6% ▲ 36% above avg |
| No HS Diploma | 13 (1.9%) |
| HS Graduate | 143 (20.5%) |
| Some College | 118 (17%) |
| Associates | 123 (17.7%) |
| Bachelors | 148 (21.3%) |
| Graduate Degree | 151 (21.7%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $75,208 ≈ Avg ↑ 45% since 2019 |
|---|---|
| Median Home Value | $216,100 ▼ 22% below avg ↑ 74% since 2019 |
| Home/Income Ratio | 2.9x (nat avg ~3.5x) |
| Median Rent | $722/mo ↑ 21% since 2019 |
| Total Units | 475 |
| Vacant Units | 64 |
| Avg HH Size | 2.47 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 475 |
|---|---|
| Vacant | 64 |
| Owner Occupied | 84.9% |
| Renter Occupied | 15.1% |
| Avg HH Size | 2.47 |
ZIP code 99170 is located in Rosalia, Washington, within Whitman County. With a population of 1,015, this is a sparsely populated ZIP code with a mature community — the median age is 46.2 years. Economically, 99170 is a middle-income ZIP code: the median household income of $75,208 is near the national average.
Real estate in ZIP code 99170 represents an affordable housing market. The median home value of $216,100 is below the national average. Renters can expect to pay around $722 per month in median rent. Homeownership is strong here — 84.9% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 74% since 2019.
The population of 99170 is primarily White (86.11%). Residents are well-educated — 43.0% hold a bachelor's degree or higher, which is near the national average. Poverty affects some residents at 13.9%. Household income has grown by 45% since 2019.
The unemployment rate in 99170 stands at 6.6%, which is above the national average. As in most parts of the country, driving alone is the dominant commute mode at 79%.
Overall, ZIP code 99170 in Rosalia, WA is characterized as middle-income, well-educated, a mature community, and predominantly owner-occupied. With 1,015 residents, a median household income of $75,208, and a median home value of $216,100, it offers a clear picture of life in this part of Washington.