Spokane County, Washington Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 4th-largest in Washington
The population of Spokane County, Washington is 544,323 as of the 2023 American Community Survey, making it the 4th-largest county in Washington. The median household income is $73,513, the median home value is $370,500, and the median age is 38.2.
The population of Spokane County has grown 17.8% since 2010 (472,102 → 555,947), a +1.17% annualized rate.
544,323
Population
+1.17%
Annual growth
309
People / sq mi
$73,513
Median Income
$370,500
Median Home Value
Spokane County covers 1,764 sq mi of land at 308.5 people per square mile.
About Spokane County, WA
Spokane County is a county in Washington with a population of 544,323. It ranks #4 among counties in Washington by population. The median age is 38.2, in line with the national median. The population is 49.9% male and 50.1% female.
The median household income in Spokane County is $73,513, near the US median of $74,580. 7.7% of residents live below the federal poverty level. Home values sit at a median of $370,500, with monthly rent averaging $1,200. The homeownership rate of 63.9% is close to the national rate of 64.8%.
Educational attainment in Spokane County reflects 32.1% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 14.2% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 22.6 minutes each way.
Spokane County Population History (2010-2024)
The county of Spokane County had a population of 472,102 in 2010 and 555,947 in 2024, a 17.8% growth over 14 years. The peak was 555,947 in 2024. Average annual growth rate: 1.18%.
555,947
Population (2024)
472,102
Population (2010)
555,947
Peak (2024)
1.18%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 472,102 |
| 2011 | 473,516 |
| 2012 | 475,605 |
| 2013 | 478,553 |
| 2014 | 483,148 |
| 2015 | 488,970 |
| 2016 | 497,163 |
| 2017 | 505,708 |
| 2018 | 513,502 |
| 2019 | 522,231 |
| 2020 | 541,198 |
| 2021 | 545,540 |
| 2022 | 549,835 |
| 2023 | 552,758 |
| 2024 | 555,947 |
Race & Ethnicity
| White | 83.8% |
| Black or African American | 2.0% |
| Asian | 0.1% |
| Hispanic or Latino (any race) | 3.4% |
| Two or More Races | 0.1% |
Age & Sex
38.2
Median Age
50.1%
Female
49.9%
Male
17.0%
Age 65+
Age Distribution
Children (under 15): 17.9% · Seniors (65+): 17.0%
Income & Poverty
| Median household income | $73,513$-21,439 vs state |
| Mean household income | $98,513 |
| Per-capita income | $39,879 |
| Poverty rate | 7.7%+1.3% vs state |
| Unemployment rate | 3.5% |
| Employment-to-population | 57.5% |
Top Industries by Employment
The largest employment sector in Spokane County is professional & business services, accounting for 25.9% of workers.
How residents commute
1.9%
Drive alone
2.7%
Carpool
70.9%
Public transit
14.2%
Work from home
22.6 min
Avg commute
Housing
$370,500$-149,300 vs state
Median home value
$1,200
Median rent
63.9%
Homeownership rate
228,156
Total housing units
94.6%
Occupied
5.4%
Vacant
36.1%
Renter-occupied
Social & access
95.0%
With health insurance
95.7%
With broadband internet
39.4%
Foreign-born
9.9%
Veterans (18+)
15.6%
With a disability
92.5%
Speak language other than English at home
Education
94.5%
High School+
32.1%
Bachelor's+
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County rankings
Common questions about Spokane County, WA
Frequently Asked Questions
Spokane County, Washington has a population of 544,323 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 4th-largest county in Washington. Population density is 309 people per square mile.
The population of Spokane County has grown 17.8% since 2010 (472,102 → 555,947), a +1.17% annualized rate.
The median household income in Spokane County, Washington is $73,513, with mean (average) household income of $98,513 and per-capita income of $39,879. 7.7% of residents live below the federal poverty level.
In Spokane County, the largest racial and ethnic groups are White (83.8%), Hispanic or Latino (3.4%), Black or African American (2.0%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Spokane County, Washington is 38.2 years. Residents are 50.1% female and 49.9% male.
The median home value in Spokane County is $370,500 and median monthly rent is $1,200. 63.9% of occupied housing units are owner-occupied. The county has 228,156 total housing units, 5.4% of which are vacant.
The largest employment sector in Spokane County, Washington is professional, scientific, and management services, employing 25.9% of workers. The unemployment rate is 3.5%.
Seattle is among the largest cities associated with Spokane County, Washington, with a population of 741,440.
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Statewide data for Washington
Population, race, income, age, and trends across Washington
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.