PlainZIP

Saint John, WA

Single-footprint Census roll-up for Saint John, WA: 1 USPS ZIP, population 959. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet SAINT-JOHN-WA · Saint John, WA 1 ZIPs · 959 pop · #20610/25278 · Whitman County

INC-MID · RANK-BOTTOM · PHOTO-FINISH · BOOK-ONE · OWN-MID · POP-VILLAGE · SPREAD-UNK · HOME-MID

  • INC-MID $53,333
  • RANK-BOTTOM #20610/25278
  • PHOTO-FINISH ≈ Endicott
  • BOOK-ONE 1 ZIP
  • OWN-MID 78% owners
  • POP-VILLAGE 959
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $220,500

Nearest income peer: Endicott, WA ( $764 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Saint John

Lowest/highest poles plus county-sharing cities nearest Saint John on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Saint John, WA sits among US cities with one of the lowest household incomes among US cities, on a village-scale population base, across a single-ZIP footprint.

18th pct
household income vs 25,278 US cities
959
city population (Census)
1
USPS ZIP codes covered
$53,333
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

Lower-income footing on only 1 ZIP ($53,333 average) · poverty 13.1%. The primary code (99171) carries the ACS household fields that matter.

Owner-occupancy sits in a mixed band (77.5%) - check the ZIP page's tenure split before treating Saint John as a pure owner town.

Within Washington, Almira is the closest lower-income city and Keller the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Saint John.

Population concentration

Saint John's single ZIP 99171 carries the town

Saint John is published as a single USPS ZIP. Code 99171 is the entire residential footprint (959 ACS residents), so the city page and the ZIP page tell the same household story, open that ZIP for income, tenure, and commute detail.

Census ZBP business roll-up

Dense ZBP book packed into Saint John's one ZIP

Citywide ZBP: 28 establishments, 114 employees , annual payroll $7,414k (~29 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 99171 (28 units) ; leading NAICS Wholesale trade (10) · also Retail trade · Finance and insurance .

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ZIP Codes in Saint John, WA

These ZIP codes sit in Whitman County, which covers 21 ZIP codes in all; 1 of them fall in Saint John. See the Whitman County roll-up →

Saint John sits in the lower half of Whitman County on income: Colfax, Palouse and Rosalia report more, Pullman and Lacrosse report less. Colton marks the far end of that range at $104,643, 96% above Saint John.

ZIP Code Population Median income Establishments Density
99171 959 $53,333 28 1
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Saint John roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Saint John, .