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
In Spokane County, home values do the distinguishing — a median of $370,500. Spokane County is a county in Washington with a population of 544,323. That makes it one of the ten largest counties in Washington in the country, at #4 by population.
Households take in a median $73,513, comfortably below the US median of $78,538. About 7.7% of residents live below the federal poverty level, below the national 12.4%. Home prices are steep, with the typical property valued at $370,500, with typical rent around $1,200.
Educational attainment is on the higher side for US counties — 32.1% of adults hold a four-year degree, below the national 35.0%. Remote work is on the higher side at 14.2%, close to the national 14.0%, and the average commute runs about 23 minutes each way.
High housing values reframe the income picture in Spokane County — even solid earnings stretch less against home prices and rents at this level.
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+
Largest cities in Washington
Other counties in Washington
Part of Washington
Metro areas in Washington
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.
Spokane County, WA Climate
Spokane County, WA has an average annual temperature of 8.9°C (48°F) and receives about 476 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
8.9°C
Avg Temp
476
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -1° / 29° | 56 mm |
| February | 1° / 34° | 44 mm |
| March | 5° / 40° | 42 mm |
| April | 8° / 47° | 36 mm |
| May | 13° / 55° | 44 mm |
| June | 17° / 62° | 35 mm |
| July | 20° / 69° | 21 mm |
| August | 20° / 68° | 20 mm |
| September | 15° / 59° | 22 mm |
| October | 9° / 47° | 29 mm |
| November | 3° / 37° | 62 mm |
| December | -1° / 30° | 65 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Spokane County, WA
The most comfortable months to visit Spokane County, WA are typically July, August and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -5°C low). December is usually the wettest month.
Where to stay near Spokane County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.