| ZIP Codes: | 52 ZIP Codes (35 Standard, 12 PO Box, 5 Unique) [See All] |
| Area Code: | 509 |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 2:14:17 PM |
| Population: | 558,641 [See All] |
| FIPS: | 53063 |
| CBSA: | Spokane-Spokane Valley, WA |
| Land Area: | 1,724 sq mi |
| Water Area: | 18 sq mi |
| Coordinates: | 47.6604, -117.3585 |
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558,641 residents live across 52 ZIPs covering 1,724 sq mi, served by 25 distinct USPS-recognized cities.
Population moved from 484,460 to 557,189 from 2014 to 2024 — a +15.0% change. 30 ZIPs gained residents, 7 lost.
The county's wealthiest ZIP 99005 (Colbert, $125,530 median) and poorest ZIP 99201 (Spokane, $41,171) are 13.3 miles apart — a 3.0× income gap across local geography.
Median home values vary 2.4× across this county — from $274,100 in 99207 (Spokane) to $647,300 in 99036 (Valleyford).
Density varies 632× across the county — from 12 people/sq mi in 99012 (Fairfield) to 7,552 in 99204 (Spokane).
Educational attainment ranges from 14.1% bachelor's+ in 99001 (Airway Heights) to 60.4% in 99203 (Spokane) — the breadth of educational profiles across the area.
Within Washington, this is the #4 most populous of 39 counties and ranks #16 for median household income with the #11 fastest decade growth .
Hosts 4 single-entity Unique ZIPs: 99251Whitworth University ; 99252Avista Corp ; 99260Public Safety Bldg ; and 99258Gonzaga Univ .
Weighted by population, the typical household earns about $81,647 across the county — reflecting what a typical resident sees, not a simple ZIP average.
32.9% of adults age 25+ hold a bachelor's degree or higher (127,959 of 388,398 reporting). The most-educated ZIPs cluster around Spokane.
35 Standard delivery, 12 PO Box only, 5 single-entity Unique ZIPs serve this county.
1 ZIP in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
5 ZIP codes in this county serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.
Median household income spans 3.0× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
Spokane County grew 15.3% over the past decade — concentrated in 5 high-growth ZIPs:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 99208 | Spokane | Standard | 58,669 | $88,599 | 49.2 | 15.7% |
| 99205 | Spokane | Standard | 43,169 | $77,374 | 9.2 | 4.4% |
| 99206 | Spokane | Standard | 41,089 | $81,764 | 23.5 | 11.8% |
| 99223 | Spokane | Standard | 36,094 | $94,279 | 27.0 | 17.4% |
| 99207 | Spokane | Standard | 32,770 | $60,452 | 5.2 | 7.2% |
| 99216 | Spokane | Standard | 28,578 | $74,278 | 14.5 | 18.6% |
| 99224 | Spokane | Standard | 24,919 | $80,770 | 119.0 | 21.4% |
| 99004 | Cheney | Standard | 22,871 | $67,337 | 338.7 | 25.4% |
| 99212 | Spokane | Standard | 21,707 | $67,049 | 12.7 | 13.5% |
| 99016 | Greenacres | Standard | 21,615 | $103,472 | 24.0 | 67.5% |
| 99203 | Spokane | Standard | 21,468 | $104,372 | 5.0 | 3.6% |
| 99217 | Spokane | Standard | 21,441 | $73,620 | 50.1 | 17.5% |
| 99202 | Spokane | Standard | 19,921 | $65,189 | 6.2 | 0.5% |
| 99218 | Spokane | Standard | 16,897 | $80,733 | 8.4 | 5.8% |
| 99037 | Veradale | Standard | 16,522 | $87,713 | 6.3 | 31.1% |
| 99006 | Deer Park | Standard | 16,177 | $72,200 | 165.4 | 48.4% |
| 99201 | Spokane | Standard | 15,829 | $41,171 | 3.2 | 14.0% |
| 99019 | Liberty Lake | Standard | 12,447 | $120,053 | 24.0 | 28.6% |
| 99005 | Colbert | Standard | 10,815 | $125,530 | 39.7 | 30.4% |
| 99001 | Airway Heights | Standard | 9,440 | $62,518 | 7.4 | 51.6% |
| 99026 | Nine Mile Falls | Standard | 9,320 | $100,599 | 66.8 | -5.7% |
| 99021 | Mead | Standard | 8,942 | $85,489 | 67.3 | 0.5% |
| 99022 | Medical Lake | Standard | 8,767 | $93,812 | 72.1 | -3.5% |
| 99204 | Spokane | Standard | 7,643 | $58,277 | 1.0 | 17.2% |
| 99027 | Otis Orchards | Standard | 5,992 | $74,718 | 15.5 | -3.2% |
| 99025 | Newman Lake | Standard | 5,668 | $118,712 | 55.0 | 12.7% |
| 99003 | Chattaroy | Standard | 4,810 | $77,129 | 77.4 | -6.2% |
| 99009 | Elk | Standard | 4,506 | $81,809 | 81.8 | 11.1% |
| 99011 | Fairchild Air Force Base | Standard | 2,931 | $69,917 | 6.1 | -5.4% |
| 99036 | Valleyford | Standard | 1,581 | $121,518 | 42.2 | 26.0% |
| 99031 | Spangle | Standard | 1,251 | $98,182 | 76.1 | 36.7% |
| 99012 | Fairfield | Standard | 1,167 | $88,571 | 97.6 | 11.0% |
| 99251 | Spokane | Unique | 964 | — | 0.2 | — |
| 99030 | Rockford | Standard | 919 | $86,250 | 71.2 | -6.2% |
| 99023 | Mica | Standard | 800 | $114,298 | 18.1 | 32.2% |
| 99258 | Spokane | Unique | 471 | — | 0.0 | — |
| 99018 | Latah | Standard | 272 | $52,813 | 35.5 | -11.1% |
| 99039 | Waverly | PO Box | 166 | $65,909 | 0.5 | 66.0% |
| 99014 | Four Lakes | PO Box | 17 | — | 0.0 | — |
| 99020 | Marshall | PO Box | 16 | — | 0.0 | 6.7% |
| 99219 | Spokane | PO Box | — | — | 0.0 | — |
| 99252 | Spokane | Unique | — | — | 0.1 | — |
| 99211 | Spokane | PO Box | — | — | 0.0 | — |
| 99209 | Spokane | PO Box | — | — | 0.0 | — |
| 99215 | Spokane | PO Box | — | — | 0.0 | — |
| 99210 | Spokane | PO Box | — | — | 0.0 | — |
| 99220 | Spokane | PO Box | — | — | 0.0 | — |
| 99214 | Spokane | PO Box | — | — | 0.0 | — |
| 99213 | Spokane | PO Box | — | — | 0.0 | — |
| 99256 | Spokane | Unique | — | — | 0.0 | — |
| 99260 | Spokane | Unique | — | — | 0.0 | — |
| 99228 | Spokane | PO Box | — | — | 0.0 | — |