Steptoe, WA ZIP Codes
2 ZIP codes serve Steptoe, Washington: 99111 and 99174. Together they are home to 4,107 residents in 1,739 households. That is more than the 162 people counted inside Steptoe Census-designated place, because these ZIP codes reach past its boundary.
Steptoe Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 162 |
| Households | 78 |
| Median household income | $51,136 |
| Median home value | $251,900 |
| Median age | 41.5 |
| Median rent | $1,375 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 4,107 |
| Households (sum of ZIP codes) | 1,739 |
| Median household income, range across ZIP codes | $73,393 (99111) to $73,393 (99111) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $73,393 |
| Homeowners | 73.1% |
| Households with kids under 18 | 28.5% |
| Moved in the past year | 13.1% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Every ZIP code in Steptoe
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 99111 | Colfax | 4,038 | 1,714 | $73,393 | $295,800 | 72.9% | 28.1% | 13.3% | — | — | 1% of its land |
| 99174 | Steptoe | 69 | 25 | $50,179 | $254,500 | 88.0% | 56.0% | 0.0% | — | — | 100% of its land; mailing city |
A ZIP code is listed for Steptoe when at least 10% of its land lies inside the Steptoe Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Steptoe. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Steptoe.
Counties
- Whitman County — 20 ZIP codes
Price a mailing to Steptoe ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Steptoe, WA?
- 99111 and 99174. A ZIP code is listed for Steptoe when at least 10% of its land lies inside the Steptoe Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Steptoe.
- What is the population of Steptoe, WA?
- The Census Bureau counts 162 residents inside Steptoe Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Steptoe hold 4,107 residents in all.
- What is the median household income in Steptoe, WA?
- $51,136 inside Steptoe Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $73,393 to $73,393.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.