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zipcodes.pro — ZIP/97231

97231

ZIP 97231 is in Portland, Oregon, mostly in Multnomah County; area codes 503 and 971; Pacific time. Portland has 60 ZIP codes in all.

Type
Standard
Time zone
America/Los_Angeles
County
Multnomah +2 more
Population
4,308
Coordinates
45.6876, -122.8242
☼ Live from 97231 — Portland, OR

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Where 97231 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 97231
  • 🔢 Type 97231 into a pocket calculator and turn it upside down: IEZLG — not quite a word, sorry.
  • ➕ 97231 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111101111001111
  • 🏠 Its numerical neighbours: 97230 (Portland, OR, 18 mi away) and 97232 (Portland, OR, 14 mi away).
  • 🔄 Backwards, 97231 becomes 13279, which is not a ZIP code at all.
  • 👥 50 other ZIP codes are made of exactly the same digits (12937, 12973, 17239, 17329, 17923, 17932, …). The farthest-flung twin is 32971 in Winter Beach, FL, 2,616 miles away.
  • 🧭 Farther north than 93% of all ZIP codes, and farther west than 97%.
  • 🎯1,289 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 97231 and you would come out at 45.69°S, 57.18°E — 658 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 43m of daylight. Shortest: 8h 41m.
  • 📏 At 62.7 square miles of land, 97231 is bigger than 66% of ZIP codes — room for about 48 Central Parks.
🌙 The sky over 97231 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population4,308This ZIP4,308
Households1,829This ZIP1,829
Housing units1,995This ZIP1,995
Median age51.7This ZIP51.7Oregon40.4US 38.9
Median household income$137,527This ZIP$137,527Oregon$83,011US $80,734
Median home value$858,200This ZIP$858,200Oregon$477,600US $332,700
Median gross rent$1,898This ZIP$1,898Oregon$1,525US $1,413
Bachelor's degree or higher58.8%This ZIP58.8%
Mean commute25.8 minThis ZIP25.8 min
Population density68.7 / sq miThis ZIP68.7 / sq mi

Business and tax activity

Business establishments99This ZIP99
Employees717This ZIP717
Annual payroll$46,971,000This ZIP$46,971,000
Tax returns filed2,180This ZIP2,180
Total adjusted gross income$353,288,000This ZIP$353,288,000

Land area

Land area62.74 sq miThis ZIP62.74 sq mi
Water area14.25 sq miThis ZIP14.25 sq mi

Counties 97231 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Multnomah County 80.0%
Columbia County 17.4%
Washington County 2.6%

Other place names in 97231

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 97231

ZIPCityDistance
98660 Vancouver, WA 5.4 mi
98685 Vancouver, WA 6.6 mi
97203 Portland, OR 7.1 mi
98663 Vancouver, WA 8.1 mi
98665 Vancouver, WA 8.3 mi
98666 Vancouver, WA 8.6 mi
98668 Vancouver, WA 8.6 mi
98687 Vancouver, WA 8.6 mi
97217 Portland, OR 8.8 mi
97133 North Plains, OR 9.1 mi

Find every ZIP code within 10 miles of 97231 →

Questions about this ZIP code

Where is ZIP code 97231?

97231 is in Portland, Oregon, in Multnomah County, part of the Portland-Vancouver-Hillsboro, OR-WA metropolitan area. Its published point location is 45.6876, -122.8242.

What county is 97231 in?

97231 spans 3 counties: Multnomah County, Columbia County and Washington County. Most of it falls in Multnomah County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 97231?

Portland uses area codes 503 and 971, from NANPA's telephone records.

What time zone is 97231 in?

97231 uses America/Los_Angeles.

How many people live in 97231?

About 4,308 people live in ZIP code 97231, in 1,829 households, at 68.7 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 97231?

$137,527 a year, against $83,011 across Oregon.

What ZIP codes are near 97231?

The closest are 98660 (5.4 mi), 98685 (6.6 mi), 97203 (7.1 mi), 98663 (8.1 mi) and 98665 (8.3 mi).

Is 97231 a PO Box ZIP code?

97231 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “97231 ZIP Code — Portland, Oregon (Multnomah County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/97231

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