Demographics of Walla Walla County, Washington

Walla Walla County, Washington had 62,361 people on July 1, 2025, by the Census Bureau’s estimate: −259 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Walla Walla County, in four figures

62,361
Population: July 1, 2025, Vintage 2025 estimate.; −0.4%
Change since July 2020: −259 people.; 38.5 ±0.4
Median age: ACS 2020–⁠2024.; $74,202 ±$4,241
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Walla Walla County, Washington's population shrank 0.4% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Walla Walla County, Washington's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Walla Walla County, Washington's population shrank 0.4% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Walla Walla County, Washington's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	62,620	100.0	100.0
2021	62,228	99.4	100.2
2022	62,022	99.0	100.7
2023	61,745	98.6	101.6
2024	62,109	99.2	102.5
2025	62,361	99.6	103.1

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Population of Walla Walla County, Washington on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	62,620	+37	−24	+2	+49
2021	62,228	−392	−46	+75	−412
2022	62,022	−206	−234	+85	−18
2023	61,745	−277	−155	+130	−246
2024	62,109	+364	−129	+235	+264
2025	62,361	+252	−143	+118	+275

Age, 2020–2024

The median age is 38.5 ±0.4: for men 37.8 ±0.5 and for women 39.6 ±0.8. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Walla Walla County by age, ACS 2020–2024
Age	People	Share	Washington	United States
Under 5	3,025 ±63	4.9% ±0.1	5.5% ±<0.1	5.6% ±<0.1
5 to 17	9,762 ±488	15.7% ±0.8	15.8% ±0.1	16.3% ±<0.1
18 to 24	8,179 ±589	13.2% ±0.9	8.5% ±0.1	9.1% ±<0.1
25 to 44	14,987 ±494	24.1% ±0.8	29.5% ±0.1	26.9% ±<0.1
45 to 64	13,799 ±550	22.2% ±0.9	24.0% ±0.1	24.8% ±<0.1
65 and over	12,409 ±632	20.0% ±1.0	16.6% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $74,202 ±$4,241, and income per person $38,208 ±$1,613, in 2024 dollars. The median is $98,141 ±$414 in Washington and $80,734 ±$166 in the United States.

Households by income

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Households in Walla Walla County by income, ACS 2020–2024
Household income	Households	Share	Washington	United States
Under $25,000	3,980 ±493	17.0% ±2.1	11.1% ±0.2	14.6% ±<0.1
$25,000 to $49,999	3,820 ±518	16.3% ±2.2	13.2% ±0.2	16.7% ±<0.1
$50,000 to $74,999	4,034 ±493	17.2% ±2.1	14.1% ±0.2	15.5% ±<0.1
$75,000 to $99,999	3,479 ±482	14.8% ±2.0	12.4% ±0.1	12.6% ±<0.1
$100,000 to $149,999	3,929 ±430	16.8% ±1.8	19.2% ±0.2	17.5% ±<0.1
$150,000 to $199,999	1,969 ±253	8.4% ±1.1	11.4% ±0.1	9.6% ±<0.1
$200,000 or more	2,236 ±343	9.5% ±1.5	18.5% ±0.2	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Walla Walla County by age, ACS 2020–2024
Age	Below poverty	Rate	Washington	United States
All ages	6,927 ±942	12.1% ±1.6	9.9% ±0.2	12.5% ±0.1
Under 18	1,870 ±409	14.7% ±3.1	11.6% ±0.3	16.1% ±0.1
18 to 59	3,098 ±500	10.8% ±1.7	9.5% ±0.2	11.6% ±0.1
60 and over	1,959 ±309	12.2% ±1.9	9.3% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Walla Walla County, ACS 2020–2024
Measure	Walla Walla County	Washington	United States
Housing units	25,422 ±48	3,306,620 ±517	143,775,355 ±10,234
Occupied	92.2% ±1.4	92.7% ±0.2	89.9% ±0.1
Vacant	7.8% ±1.4	7.3% ±0.2	10.1% ±0.1
Owner occupied	65.0% ±2.1	63.8% ±0.3	65.2% ±0.3
Renter occupied	35.0% ±2.5	36.2% ±0.2	34.8% ±0.1
Median home value	$408,900 ±$13,857	$564,600 ±$1,940	$332,700 ±$236
Median gross rent	$1,218 ±$100	$1,760 ±$7	$1,413 ±$2
Median year built	1973 ±2	1985 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Walla Walla County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Washington	United States
Hispanic or Latino	14,816 ±0	23.8% ±<0.1	14.4% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	42,088 ±347	67.7% ±0.6	63.1% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	994 ±143	1.6% ±0.2	3.8% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	1,111 ±168	1.8% ±0.3	9.7% ±0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	214 ±94	0.3% ±0.2	0.8% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	31 to 247	< 0.1% to 0.4%	0.7% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	30 to 510	< 0.1% to 0.8%	0.6% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	2,529 ±352	4.1% ±0.6	6.8% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Walla Walla County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Washington	United States
Born in the state	31,518 ±1,007	50.7% ±1.6	46.4% ±0.2	57.3% ±<0.1
Born in another state	23,312 ±893	37.5% ±1.4	36.2% ±0.2	26.9% ±<0.1
Born a citizen outside the states	1,411 ±464	2.3% ±0.7	1.9% ±<0.1	1.7% ±<0.1
Born abroad	5,920 ±612	9.5% ±1.0	15.4% ±0.1	14.1% ±<0.1
Naturalized citizens	2,626 ±405	4.2% ±0.7	7.5% ±0.1	7.4% ±<0.1
Not citizens	3,294 ±555	5.3% ±0.9	7.9% ±0.1	6.8% ±<0.1

Walla Walla County among the counties of Washington

21st of 39 by population, July 2025. Every one is listed on the Washington page.

Counties of Washington near Walla Walla County in population, July 2025
County	July 2025	Change since 2020
Island County	85,657	−1.5%
Chelan County	81,941	+3.3%
Clallam County	78,202	+1.1%
Grays Harbor County	78,144	+3.0%
Mason County	71,165	+7.8%
Walla Walla County	62,361	−0.4%
Stevens County	49,668	+6.6%
Kittitas County	48,803	+4.2%
Whitman County	48,512	+1.5%
Douglas County	46,473	+8.0%
Okanogan County	45,230	+7.3%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026