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ZIP Code 99171
St. John, WA, Whitman County
Population
895
Land area
250.3sq mi
People per sq mi
4
City
St. John
ZIP 99171 and nearby ZIP codes
ZIP 99171 at a glance
- ZIP 99171 (St. John) is 97% less dense than Washington as a whole.
- Households here earn a median of $53,333 a year, 46% less than the Washington figure of $98,141.
- A typical owner-occupied home is valued at $220,500 (61% below Washington) and median rent is $929 a month.
Local data for ZIP 99171
Counts from official public data
Housing and community stats
ZIP 99171, American Community Survey 2020-2024
Median household income
$53,333
Poverty rate
13.1%
Median home value
$220,500
Prices -6.2% in a year
Median rent
$929/mo
Homeownership
77.5%
Bachelor's or higher
25.4%
Median age
55.7
Average commute
21.6 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
28
ZIP Business Patterns 2023
Employees
114
$7.4M annual payroll
PPP loans
$965K
31 loans
Campaign donations
$10.4K
0% D, 63% R, 2026 cycle
Environment and hazard risk
ZIP 99171, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: landslide
Storm events since 1996
339
Countywide, mostly heavy snow
Flood insurance policies
41
0.3% of homes, county
July high / Jan low
84° / 29°F
17.1 inches of rain a year
Health statistics
Share of adults in ZIP 99171, CDC PLACES estimates
Obesity
32.7%
U.S. 33.3% -0.6 pts
Diabetes
13.7%
U.S. 12.1% +1.6 pts
Smoking
13.5%
U.S. 12.8% +0.7 pts
Uninsured (18-64)
7.7%
U.S. 11.1% -3.4 pts
Frequently asked questions
- What city is ZIP code 99171?
- ZIP code 99171 is in St. John, WA (Whitman County).
- What county is ZIP code 99171 in?
- ZIP code 99171 is mostly in Whitman County, Washington.
- How many people live in ZIP code 99171?
- About 895 people live in the 99171 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.