100 Smallest ZIP Codes in the United States by Population in Whitman County, Washington

Explore the 100 smallest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Whitman County, Washington.

Rank	ZIP Code	City	State	Population
1	99136	HAY	WA	17
2	99174	STEPTOE	WA	32
3	99333	HOOPER	WA	91
4	99176	THORNTON	WA	136
5	99149	MALDEN	WA	194
6	99017	LAMONT	WA	226
7	99128	FARMINGTON	WA	289
8	99102	ALBION	WA	509
9	99113	COLTON	WA	555
10	99179	UNIONTOWN	WA	568
11	99158	OAKESDALE	WA	619
12	99125	ENDICOTT	WA	626
13	99143	LACROSSE	WA	691
14	99033	TEKOA	WA	790
15	99130	GARFIELD	WA	833
16	99170	ROSALIA	WA	955
17	99171	SAINT JOHN	WA	969
18	99161	PALOUSE	WA	1,366
19	99111	COLFAX	WA	4,012
20	99163	PULLMAN	WA	33,829