99171 ZIP Code, Saint John, WA
99171 is a ZIP code in Saint John, Washington in Whitman County. It covers 250 square miles of land. The closest ZIP codes are 99125, 99176 and 99017. 895 people live here in 408 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (78%). Median household income is $53,333, well below the Washington median of $98,141; the median age is 55.7, older than most ZIP codes.
Quick facts
- Mailing city: Saint John, WA
- County: Whitman County
- Land area: 250 sq mi
- Population: 895
- Median household income: $53,333
Key figures
| Measure | Value |
|---|---|
| Residents | 895 |
| Households | 408 |
| Median household income | $53,333 |
| Income per person | $32,685 |
| Median age | 55.7 |
| Homeowners | 77.5% |
| Median home value | $220,500 |
| Median rent | $929 |
| Bachelor's degree or higher | 25.4% |
| Average commute (minutes) | 21.6 |
| Households with kids under 18 | 14.7% |
| Moved in the past year | 5.3% |
| Below the poverty line | 13.1% |
| Broadband internet | 80.6% |
| Speak a non-English language at home | 4.3% |
Household income
| % of households | Value |
|---|---|
| <$10K | 10.8% |
| $10–15K | 6.9% |
| $15–25K | 9.6% |
| $25–35K | 10.5% |
| $35–50K | 9.1% |
| $50–75K | 14.5% |
| $75–100K | 19.6% |
| $100–150K | 14.7% |
| $150–200K | 1.7% |
| $200K+ | 2.7% |
Age
| % of all residents | Value |
|---|---|
| <10 | 8.6% |
| 10–19 | 4.9% |
| 20–24 | 3.5% |
| 25–34 | 13.6% |
| 35–44 | 6.3% |
| 45–54 | 9.6% |
| 55–64 | 19.2% |
| 65–74 | 13.7% |
| 75+ | 20.7% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 36.0% |
| Owned outright | 34.1% |
| Rented | 20.2% |
| Vacant | 9.7% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 79.6% |
| Townhome | 2.4% |
| 2–4 units | 7.3% |
| 5–19 units | 0.0% |
| 20+ units | 1.1% |
| Mobile / other | 9.5% |
Businesses in 99171
28 business establishments with 114 employees (ZIP Codes Business Patterns 2023).
- Wholesale Trade: 10
- Retail Trade: 3
- Finance and Insurance: 3
- Other Services (except Public Administration): 3
EDDM carrier routes
See every USPS carrier route in 99171 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 99125 — Endicott town, WA (10.4 mi)
- 99176 (11.4 mi)
- 99017 — Lamont town, WA (12.4 mi)
- 99149 — Malden town, WA (12.4 mi)
- 99174 — Steptoe CDP, WA (15.3 mi)
- 99170 — Rosalia town, WA (16.1 mi)
- 99111 — Colfax city, WA (19.3 mi)
- 99158 — Oakesdale town, WA (19.6 mi)
Areas that include 99171
- St. John, WA ZIP codes — 1 ZIP code
- Saint John, WA ZIP codes — 1 ZIP code
- Whitman County ZIP codes — 20 ZIP codes
- Washington ZIP code data
Mail every home in 99171
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 99171, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 99171 in?
- 99171 is a Saint John, WA mailing address. None of its land lies inside a Census-defined city or community.
- What county is 99171 in?
- 99171 is in Whitman County.
- What is the population of 99171?
- About 895 people (±190), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 975.
- What is the median household income in 99171?
- $53,333 (±$12,852), compared with $98,141 for Washington as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 99171?
- EDDM2GO's stored route library does not include 99171 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 99171?
- The closest, measured center to center: 99125 (10.4 mi, Endicott), 99176 (11.4 mi), 99017 (12.4 mi, Lamont), 99149 (12.4 mi, Malden), 99174 (15.3 mi, Steptoe) and 99170 (16.1 mi, Rosalia).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.