99161
ZIP 99161 is Palouse, Washington, in Whitman County; area code 509; Pacific time.
- Type
- Standard
- Time zone
- America/Los_Angeles
- County
- Whitman
- Metro area
- Pullman, WA
- Population
- 1,435
- Coordinates
- 46.9036, -117.1481
Weather right now
Asking the National Weather Service…
Where 99161 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.
- 🔢 Type 99161 into a pocket calculator and turn it upside down: IgIGG — not quite a word, sorry.
- ➕ As a number, 99,161 = 17 × 19 × 307. Its digits add up to 26, a total 2,038 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11000001101011001 - 🏠 Its numerical neighbours: 99160 (Orient, WA, 146 mi away) and 99163 (Pullman, WA, 12 mi away).
- 🔄 Backwards, 99161 becomes 16199, which is not a ZIP code at all.
- 👥 9 other ZIP codes are made of exactly the same digits (11969, 19196, 19961, 61919, 91916, 96119, …). The farthest-flung twin is 96911 in Tamuning, GU, 5,915 miles away.
- 🧭 Farther north than 95% of all ZIP codes, and farther west than 90%.
- 🎯1,049 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 99161 and you would come out at 46.90°S, 62.85°E — 379 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 53m of daylight. Shortest: 8h 31m.
- 📏 At 76.7 square miles of land, 99161 is bigger than 71% of ZIP codes — room for about 58 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,435This ZIP1,435 |
|---|---|
| Households | 583This ZIP583 |
| Housing units | 644This ZIP644 |
| Median age | 41.5This ZIP41.5Washington38.3US 38.9 |
| Median household income | $87,464This ZIP$87,464Washington$98,141US $80,734 |
| Median home value | $302,600This ZIP$302,600Washington$564,600US $332,700 |
| Median gross rent | $922This ZIP$922Washington$1,760US $1,413 |
| Bachelor's degree or higher | 45.8%This ZIP45.8% |
| Mean commute | 28.1 minThis ZIP28.1 min |
| Population density | 18.7 / sq miThis ZIP18.7 / sq mi |
Business and tax activity
| Business establishments | 25This ZIP25 |
|---|---|
| Employees | 84This ZIP84 |
| Annual payroll | $3,451,000This ZIP$3,451,000 |
| Tax returns filed | 710This ZIP710 |
| Total adjusted gross income | $54,861,000This ZIP$54,861,000 |
Land area
| Land area | 76.75 sq miThis ZIP76.75 sq mi |
|---|---|
| Water area | 0.00 sq miThis ZIP0.00 sq mi |
Other place names in 99161
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 99161
| ZIP | City | Distance |
|---|---|---|
99130 | Garfield, WA | 6.8 mi |
83872 | Viola, ID | 9.0 mi |
99102 | Albion, WA | 9.1 mi |
99164 | Pullman, WA | 12.0 mi |
99174 | Steptoe, WA | 12.2 mi |
99104 | Belmont, WA | 12.2 mi |
99163 | Pullman, WA | 12.4 mi |
83844 | Moscow, ID | 13.5 mi |
83855 | Potlatch, ID | 13.8 mi |
99128 | Farmington, WA | 13.8 mi |
Find every ZIP code within 10 miles of 99161 →
Questions about this ZIP code
Where is ZIP code 99161?
99161 is in Palouse, Washington, in Whitman County, part of the Pullman, WA micropolitan area. Its published point location is 46.9036, -117.1481.
What county is 99161 in?
99161 lies in Whitman County.
What area code is 99161?
Palouse uses area code 509, from NANPA's telephone records.
What time zone is 99161 in?
99161 uses America/Los_Angeles.
How many people live in 99161?
About 1,435 people live in ZIP code 99161, in 583 households, at 18.7 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 99161?
$87,464 a year, against $98,141 across Washington.
What ZIP codes are near 99161?
The closest are 99130 (6.8 mi), 83872 (9 mi), 99102 (9.1 mi), 99164 (12 mi) and 99174 (12.2 mi).
Is 99161 a PO Box ZIP code?
99161 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “99161 ZIP Code — Palouse, Washington (Whitman County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99161
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/99161.json Underlying data is public domain or openly licensed — sources, vintages and licences.