| ZIP Code | 99111 |
|---|---|
| City | Colfax |
| State | Washington (WA) |
| County | Whitman County |
| Area Code | 509 |
| Elevation | 2,295 ft |
| Latitude | 46.855891 |
|---|---|
| Longitude | -117.451152 |
| Timezone | Los Angeles (DST) |
| FIPS | 53075 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 41.8 yrs ↓ 10% since 2019 |
|---|---|
| Avg Household Size | 2.34 |
| Below Poverty | 8.8% ▼ 12% below avg |
| College Grads | 46.3% ▲ 19% above avg |
| Unemployment | 3.2% ▼ 35% below avg |
| No HS Diploma | 54 (1.9%) |
| HS Graduate | 603 (21%) |
| Some College | 422 (14.7%) |
| Associates | 464 (16.2%) |
| Bachelors | 455 (15.8%) |
| Graduate Degree | 874 (30.4%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $66,333 ▼ 13% below avg ↑ 27% since 2019 |
|---|---|
| Median Home Value | $264,300 ≈ Avg ↑ 53% since 2019 |
| Home/Income Ratio | 4.0x (nat avg ~3.5x) |
| Median Rent | $983/mo ↑ 36% since 2019 |
| Total Units | 1,920 |
| Vacant Units | 223 |
| Avg HH Size | 2.34 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 1,920 |
|---|---|
| Vacant | 223 |
| Owner Occupied | 72.9% |
| Renter Occupied | 27.1% |
| Avg HH Size | 2.34 |
ZIP code 99111 is located in Colfax, Washington, within Whitman County. With a population of 4,049, this is a lightly populated ZIP code with a middle-aged community — the median age is 41.8 years. Economically, 99111 is a solidly middle-class ZIP code: the median household income of $66,333 is near the national average.
Real estate in ZIP code 99111 represents a mid-range housing market. The median home value of $264,300 is near the national average. Renters can expect to pay around $983 per month in median rent. Homeownership is strong here — 72.9% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 53% since 2019.
The population of 99111 is primarily White (82.39%). Residents are well-educated — 46.3% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 8.8%. Household income has grown by 27% since 2019.
The unemployment rate in 99111 stands at 3.2%, which is below the national average. As in most parts of the country, driving alone is the dominant commute mode at 80%.
Overall, ZIP code 99111 in Colfax, WA is characterized as solidly middle-class, well-educated, a middle-aged community, and predominantly owner-occupied. With 4,049 residents, a median household income of $66,333, and a median home value of $264,300, it offers a clear picture of life in this part of Washington.