Spokane County, Washington

County seat: Spokane · Population 558,344 (2025) · 1,764 sq mi

Spokane County is the 4th most populous of Washington's 39 counties, with 558,344 people (2025 estimate). Its county seat is Spokane. The map shows its 13 cities and towns and the 7 neighboring counties.

Map of Spokane County, Washington with cities, towns and the county boundary
Spokane County, Washington with its cities and towns, unincorporated communities (CDPs) and neighboring counties. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).
Download PDF (Letter) 158 KBPNG image 111 KBWashington county map

Spokane County facts

County seat
Spokane
Population (2025 estimate)
558,344 +3.5% since 2020
Land area
1,764 sq mi 19th largest of 39
Water area
17 sq mi
Population density
317 per sq mi
Established
1879
Named after
Spokane Native American people
Largest city
Spokane 230,783
Median household income
$78,582
Cities and towns
13 plus 8 CDPs
ZIP codes
48
Time zone
Pacific
FIPS code
53063

Cities and towns in Spokane County

Spokane County has 13 incorporated cities, towns and villages. Populations count the people living inside Spokane County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
Spokane (county seat)City230,783
Spokane ValleyCity108,405
Liberty LakeCity14,029
CheneyCity12,650
Airway HeightsCity11,811
Deer ParkCity5,370
Medical LakeCity4,964
MillwoodCity1,825
RockfordTown632
FairfieldTown590
SpangleCity276
LatahTown175
WaverlyTown129

Unincorporated communities (CDPs)

Census-designated places are communities without their own city government; the county provides their services.

CommunityPopulationAlso in
Fairwood10,674
Mead6,893
Country Homes6,198
Otis Orchards-East Farms5,454
Town and Country4,890
Fairchild AFB2,931
Green Bluff323
Four Lakes322

ZIP codes in Spokane County

48 ZIP codes reach into Spokane County. ZIP codes ignore county lines, so some also cover a neighboring county.

Population of Spokane County, 2020–2025

Spokane County grew by 19,011 people (+3.5%) between April 2020 and July 2025: 2,032 more births than deaths and a net gain of 16,820 people from migration.

Year (July 1)Population
2020541,144
2021545,511
2022549,602
2023552,475
2024555,485
2025558,344

Neighboring counties

Printable Spokane County map

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Sources

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