County ProfileWA
Whitman County
Population: 47,973 · 21 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
47,973
People
Median age
26.4
Housing
Total households
18,721
Income
Median household income
$55,406
Housing
Total housing units
22,091
Employment
Employment rate
57.8%
Education
Bachelor’s degree or higher
49.8%
Healthcare
Insured population
94.5%
County details
Local time 23:07:16(PT)| Name | Whitman |
|---|---|
| Total ZIP codes | 21total |
| ZIP codes (by type) | 16 Standard4 PO Box1 Unique |
| Area code | 509 |
| Timezone | Pacific Time (PT) |
| Coordinates | 46.9059441, -117.5353898 |
| Land area | 2,159.3 sq miles(5,592.5 km²) |
Map of Whitman county, Washington with ZIP codes
Cities and Communities in Whitman County
Compare the largest cities in Whitman County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Pullman | 32,901 | $46,812 | 2ZIPs |
| Colfax | 2,782 | $61,914 | 1ZIPs |
| Palouse | 1,015 | $88,750 | 1ZIPs |
| Tekoa | 817 | $46,250 | 1ZIPs |
| Saint John | 599 | $46,250 | 1ZIPs |
| Rosalia | 598 | $50,938 | 1ZIPs |
| Garfield | 562 | $70,625 | 1ZIPs |
| Albion | 550 | $56,833 | 1ZIPs |
| Colton | 401 | $123,750 | 1ZIPs |
| Oakesdale | 395 | $78,750 | 1ZIPs |
| Uniontown | 389 | $71,563 | 1ZIPs |
| Endicott | 312 | $45,625 | 1ZIPs |
| Lacrosse | 297 | $33,621 | 1ZIPs |
| Malden | 216 | $26,250 | 1ZIPs |
| Thornton | 169 | — | 1ZIPs |
| Steptoe | 160 | $51,136 | 1ZIPs |
| Farmington | 131 | $53,750 | 1ZIPs |
| Lamont | 79 | — | 1ZIPs |
| Hooper | 39 | — | 1ZIPs |
| Hay | 24 | — | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Whitman County
Review the most populated postal areas across Whitman County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 99163 | Pullman | $48,231 | 34,416 |
| 99111 | Colfax | $73,393 | 4,029 |
| 99161 | Palouse | $87,464 | 1,450 |
| 99170 | Rosalia | $58,750 | 1,135 |
| 99171 | Saint John | $53,333 | 975 |
| 99033 | Tekoa | $58,750 | 954 |
| 99130 | Garfield | $82,000 | 805 |
| 99113 | Colton | $104,643 | 722 |
| 99143 | Lacrosse | $38,214 | 602 |
| 99158 | Oakesdale | $78,375 | 595 |
| 99102 | Albion | $56,833 | 544 |
| 99179 | Uniontown | $79,063 | 541 |
| 99125 | Endicott | $52,569 | 495 |
| 99128 | Farmington | $58,942 | 315 |
| 99149 | Malden | $26,250 | 219 |
| 99176 | Thornton | $128,000 | 169 |
| 99017 | Lamont | $58,958 | 167 |
| 99174 | Steptoe | $50,179 | 66 |
| 99333 | Hooper | $98,315 | 39 |
| 99136 | Hay | $87,708 | 24 |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS