Whitman County, Washington ZIP codes
22 ZIP codes are in Whitman County, plus 2 that cross in from neighboring counties. It's part of the Pullman, WA micro area.
- ZIP codes
- 22
- Population in these ZIPs
- 47,284
- Avg. median income
- $54,500population-weighted
- Cities & towns
- 21
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Whitman County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 99017 | Lamont | 230 | $58,958 | $121,400 |
| 99033 | Tekoa | 832 | $58,750 | $246,500 |
| 99102 | Albion | 495 | $56,833 | $230,700 |
| 99104 PO Box | Belmont | — | — | — |
| 99111 | Colfax | 4,038 | $73,393 | $318,100 |
| 99113 | Colton | 560 | $104,643 | $406,500 |
| 99125 | Endicott | 611 | $52,569 | $231,700 |
| 99128 | Farmington | 259 | $58,942 | $300,300 |
| 99130 | Garfield | 693 | $82,000 | $261,700 |
| 99136 | Hay | 14 | $87,708 | — |
| 99143 | Lacrosse | 585 | $38,214 | $276,300 |
| 99149 | Malden | 100 | $26,250 | $49,500 |
| 99158 | Oakesdale | 561 | $78,375 | $273,700 |
| 99161 | Palouse | 1,435 | $87,464 | $357,000 |
| 99163 | Pullman | 34,022 | $48,231 | $427,000 |
| 99164 PO Box | Pullman | — | — | — |
| 99170 | Rosalia | 926 | $58,750 | $316,900 |
| 99171 | Saint John | 895 | $53,333 | $278,100 |
| 99174 | Steptoe | 69 | $50,179 | $254,500 |
| 99176 | Thornton | 163 | $128,000 | $283,300 |
| 99179 | Uniontown | 645 | $79,063 | $375,100 |
| 99333 | Hooper | 151 | $98,315 | $450,000 |
ZIP codes partly in Whitman County
These ZIP codes are mostly in a neighboring county but cover part of Whitman County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 99004 | Cheney | Spokane County | 22,871 | $67,337 | $416,700 |
| 99347 | Pomeroy | Garfield County | 2,512 | $64,699 | $242,800 |
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
Cities and towns in Whitman County
Nearby counties
Frequently asked questions
How many ZIP codes are in Whitman County, Washington?
22 ZIP codes are mainly in Whitman County, and 2 more ZIP codes from neighboring areas reach partly into it.
What cities are in Whitman County?
ZIP codes in Whitman County use the city names Albion, Belmont, Colfax, Colton, Endicott, Farmington, Garfield, Hay, Hooper, Lacrosse, Lamont and Malden and others.
What metro area is Whitman County in?
Whitman County is part of the Pullman, WA micropolitan statistical area.