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ZIP code 99171: Saint John, WA

99171 is a ZIP code in Saint John, Washington, mainly in Whitman County, part of the Pullman, WA micro area. About 895 people live here.

Population
895
Median household income
$53,333
Typical home value
$278,100+10% in 12 months
Median rent
$929gross, per month
Median age
55.7
Homeowners
77.5%of occupied homes
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Shaded: ZIP code 99171's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 99171 details

CitySaint John
StateWashington
CountyWhitman County
Metro areaPullman, WA
Time zonePacific Time (UTC−8), observes daylight saving time
TypeStandard (delivery area)
Land area250.3 sq mi, plus 3.7 sq mi of water
Population density4 people per sq mi
Bachelor's degree or higher25.4% of adults 25+
Average commute21.6 minutes
Center coordinates47.09825, -117.65389

Median rent in 99171 by bedrooms

SizeMedian gross rent
2 bedrooms$854/mo
3 bedrooms$1,219/mo

Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.

ZIP codes near 99171

ZIP codeCityDistancePopulation
99125Endicott, WA10.4 mi611
99176Thornton, WA11.4 mi163
99149Malden, WA12.4 mi100
99017Lamont, WA12.4 mi230
99174Steptoe, WA15.3 mi69
99170Rosalia, WA16.1 mi926
99111Colfax, WA19.3 mi4,038
99158Oakesdale, WA19.6 mi561

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Buying a home in 99171?

A typical home in ZIP code 99171 is worth about $278,100 (Zillow Home Value Index). The median household here earns $53,333 a year. See what buying here would cost per month, with Washington average taxes and insurance filled in.

Monthly payment for a $278,100 homeWhat can a $53,333 income afford?Rental property numbers

About ZIP code 99171

What city is ZIP code 99171?

ZIP code 99171 is in Saint John, WA, in Whitman County.

What county is ZIP code 99171 in?

99171 is mainly in Whitman County, Washington.

What is the population of ZIP code 99171?

About 895 people live in ZIP code 99171, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 99171 in?

99171 is in Pacific Time (UTC−8). It observes daylight saving time.