Walla Walla County, Washington Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 21st-largest in Washington
The population of Walla Walla County, Washington is 62,102 as of the 2023 American Community Survey, making it the 21st-largest county in Washington. The median household income is $72,212, the median home value is $375,600, and the median age is 38.3.
The population of Walla Walla County has grown 5.4% since 2010 (58,915 → 62,068), a +0.37% annualized rate.
62,102
Population
+0.37%
Annual growth
49
People / sq mi
$72,212
Median Income
$375,600
Median Home Value
Walla Walla County covers 1,270 sq mi of land at 48.9 people per square mile.
About Walla Walla County, WA
Housing cost is the defining feature of Walla Walla County: the median home is valued at $375,600. With 62,102 residents, Walla Walla County is a county in Washington. It ranks #21 among counties in Washington by population.
The typical household earns $72,212 a year, below the US median of $78,538. Poverty runs at 8.4%, below the national 12.4%. Housing is expensive: the median home is worth $375,600, with typical rent around $1,113.
College attainment is above the local norm at 30.1%, below the national 35.0%. A solid 11.2% of workers are based at home, below the national 14.0%, and the average commute runs about 15 minutes each way.
High housing values reframe the income picture in Walla Walla County — even solid earnings stretch less against home prices and rents at this level.
Walla Walla County Population History (2010-2024)
The county of Walla Walla County had a population of 58,915 in 2010 and 62,068 in 2024, a 5.4% growth over 14 years. The peak was 62,629 in 2020. Average annual growth rate: 0.38%.
62,068
Population (2024)
58,915
Population (2010)
62,629
Peak (2020)
0.38%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 58,915 |
| 2011 | 59,452 |
| 2012 | 59,342 |
| 2013 | 59,387 |
| 2014 | 59,548 |
| 2015 | 59,970 |
| 2016 | 60,112 |
| 2017 | 60,683 |
| 2018 | 60,778 |
| 2019 | 61,062 |
| 2020 | 62,629 |
| 2021 | 62,232 |
| 2022 | 62,085 |
| 2023 | 61,789 |
| 2024 | 62,068 |
Race & Ethnicity
| White | 75.3% |
| Black or African American | 1.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.1% |
| Two or More Races | 0.1% |
Age & Sex
38.3
Median Age
49.2%
Female
50.8%
Male
19.4%
Age 65+
Age Distribution
Children (under 15): 16.8% · Seniors (65+): 19.4%
Income & Poverty
| Median household income | $72,212$-22,740 vs state |
| Mean household income | $96,277 |
| Per-capita income | $37,562 |
| Poverty rate | 8.4%+2.0% vs state |
| Unemployment rate | 3.3% |
| Employment-to-population | 55.4% |
Top Industries by Employment
The largest employment sector in Walla Walla County is professional & business services, accounting for 27.0% of workers.
How residents commute
0.8%
Drive alone
6.6%
Carpool
69.7%
Public transit
11.2%
Work from home
14.9 min
Avg commute
Housing
$375,600$-144,200 vs state
Median home value
$1,113
Median rent
65.9%
Homeownership rate
25,219
Total housing units
92.7%
Occupied
7.3%
Vacant
34.1%
Renter-occupied
Social & access
92.0%
With health insurance
94.0%
With broadband internet
37.0%
Foreign-born
8.3%
Veterans (18+)
15.1%
With a disability
81.4%
Speak language other than English at home
Education
89.2%
High School+
30.1%
Bachelor's+
Largest cities in Washington
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County rankings
Frequently Asked Questions
Walla Walla County, Washington has a population of 62,102 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 21st-largest county in Washington. Population density is 49 people per square mile.
The population of Walla Walla County has grown 5.4% since 2010 (58,915 → 62,068), a +0.37% annualized rate.
The median household income in Walla Walla County, Washington is $72,212, with mean (average) household income of $96,277 and per-capita income of $37,562. 8.4% of residents live below the federal poverty level.
In Walla Walla County, the largest racial and ethnic groups are White (75.3%), Hispanic or Latino (3.1%), Black or African American (1.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Walla Walla County, Washington is 38.3 years. Residents are 49.2% female and 50.8% male.
The median home value in Walla Walla County is $375,600 and median monthly rent is $1,113. 65.9% of occupied housing units are owner-occupied. The county has 25,219 total housing units, 7.3% of which are vacant.
The largest employment sector in Walla Walla County, Washington is professional, scientific, and management services, employing 27.0% of workers. The unemployment rate is 3.3%.
Seattle is among the largest cities associated with Walla Walla 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.