| Zip Code | City | Population ↓ |
|---|---|---|
| 99208 | Spokane | 58,172 |
| 99205 | Spokane | 44,216 |
| 99206 | Spokane | 42,850 |
| 99223 | Spokane | 34,868 |
| 99207 | Spokane | 32,219 |
| 99216 | Spokane | 27,302 |
| 99224 | Spokane | 24,455 |
| 99004 | Cheney | 22,210 |
| 99203 | Spokane | 21,984 |
| 99212 | Spokane | 21,013 |
| 99202 | Spokane | 20,829 |
| 99016 | Greenacres | 19,620 |
| 99217 | Spokane | 19,533 |
| 99218 | Spokane | 16,305 |
| 99037 | Veradale | 15,464 |
| 99201 | Spokane | 14,246 |
| 99006 | Deer Park | 13,888 |
| 99019 | Liberty Lake | 12,245 |
| 99005 | Colbert | 10,457 |
| 99021 | Mead | 10,058 |
| 99022 | Medical Lake | 9,012 |
| 99026 | Nine Mile Falls | 8,828 |
| 99001 | Airway Heights | 8,684 |
| 99204 | Spokane | 7,189 |
| 99027 | Otis Orchards | 5,973 |
| 99025 | Newman Lake | 5,668 |
| 99009 | Elk | 4,868 |
| 99003 | Chattaroy | 4,413 |
| 99011 | Fairchild Air Force Base | 3,184 |
| 99036 | Valleyford | 1,546 |
| 99012 | Fairfield | 1,111 |
| 99031 | Spangle | 1,110 |
| 99251 | Spokane | 1,056 |
| 99023 | Mica | 964 |
| 99030 | Rockford | 592 |
| 99258 | Spokane | 502 |
| 99018 | Latah | 264 |
| 99039 | Waverly | 171 |
| 99020 | Marshall | 15 |
| 99014 | Four Lakes | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 40 ZCTAs in Spokane County, Washington (US Census).