County hub small town Washington

Spokane County, WA

Aggregated demographic, housing, and geographic context for the 40 ZIP codes inside Spokane County, drawn from public Census ACS and SimpleMaps data.

ZIP codes
40
in this county
Total population
539,961
across all listed ZIPs
Cities
25
distinct city/town names
Avg density
586
people / sq mi
Avg median income
$77,241
household, ACS
Avg home value
$375,100
owner-occupied

ZIP codes in Spokane County

ZIPCityPopulationDensityMedian income
99208 Spokane 57,606 456 $77,241
99205 Spokane 43,901 1,890
99206 Spokane 42,139 697
99223 Spokane 34,013 410
99207 Spokane 32,732 2,432
99216 Spokane 27,597 749
99224 Spokane 23,705 77
99004 Cheney 21,836 25
99203 Spokane 21,500 1,787
99202 Spokane 20,526 1,333
99212 Spokane 20,395 642
99217 Spokane 19,226 144
99016 Greenacres 17,913 281
99037 Veradale 15,647 961
99218 Spokane 15,233 866
99201 Spokane 14,147 1,839
99006 Deer Park 13,649 32
99019 Liberty Lake 12,261 212
99005 Colbert 11,159 109
99021 Mead 10,139 49
99022 Medical Lake 8,740 49
99026 Nine Mile Falls 8,521 52
99001 Airway Heights 8,400 408
99204 Spokane 7,375 2,791
99025 Newman Lake 5,910 50
99027 Otis Orchards 5,832 146
99009 Elk 4,677 22
99003 Chattaroy 4,147 21
99011 Fairchild Air Force Base 3,343 195
99036 Valleyford 1,549 16
99031 Spangle 1,313 7
99251 Spokane 1,258 2,650
99012 Fairfield 1,081 5
99023 Mica 883 19
99030 Rockford 633 3
99258 Spokane 486 1,156
99018 Latah 277 3
99039 Waverly 181 171
99014 Four Lakes 31 116
99020 Marshall

About Spokane County

Counties are the workhorse unit of American local government — they administer property taxes, run the courts and sheriff’s office, manage many road and library systems, and in much of the country they collect public health and zoning data that ZIP codes don’t. Spokane County in Washington contains roughly 40 ZIP codes spread across 25 distinct cities and unincorporated communities, with an aggregate population of about 539,961. Reading those ZIPs together at the county level smooths over neighborhood-by-neighborhood noise and surfaces the broader economic and demographic shape of the area. For block-level detail, drill into any individual ZIP profile or compare against the wider Washington index.

The average density across listed ZIPs sits at roughly 586, which classifies the county overall as a small town environment. That label is a generalization — nearly every county contains both a relatively dense core and quieter outlying ZIPs, and the gap between them is often what determines where you actually want to live or open a business. Average median household income in our enriched ZIPs lands near $77,241, with average owner-occupied home values around $375,100; both numbers move dramatically as you cross from one ZIP to the next, so use the table above as a sorting tool, not a verdict.

If you’re moving into Spokane County, the county itself is also where most of your real-life paperwork will land — vehicle registration, voter registration, property recording, and school district enrollment in many states. Knowing the county that contains your prospective ZIP makes it much easier to look up the right tax assessor, election office, or school district website. Our relocation guide walks through the order in which to tackle these handoffs after a move.

For service-area planning, the county is also where most US business licensing and many sales-tax rules are administered. Service businesses scoping Spokane County should pair this aggregate view with the individual ZIP profiles to identify the densest, highest-income pockets first, then expand outward along whatever transportation corridor matches their delivery model.