Demographics of Maple Valley city, Washington

Maple Valley city, Washington had 28,482 people on July 1, 2025, by the Census Bureau’s estimate: +333 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Maple Valley city, in four figures

28,482
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 28,287 ±47.; +1.2%
Change since July 2020: +333 people.; 36.7 ±1.2
Median age: ACS 2020–⁠2024.; $152,885 ±$14,437
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Maple Valley city, Washington's population grew 1.2% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Maple Valley city, 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).

Source: The Census Bureau

About this chart

The figures

Maple Valley city, Washington's population grew 1.2% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Maple Valley city, 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	28,149	100.0	100.0
2021	28,318	100.6	100.2
2022	28,322	100.6	100.7
2023	28,192	100.2	101.6
2024	28,368	100.8	102.5
2025	28,482	101.2	103.1

Population of Maple Valley city, Washington on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	28,149	—
2021	28,318	+169
2022	28,322	+4
2023	28,192	−130
2024	28,368	+176
2025	28,482	+114

Age, 2020–2024

The median age is 36.7 ±1.2: for men 36.0 ±1.6 and for women 37.3 ±1.6. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Maple Valley city by age, ACS 2020–2024
Age	People	Share	Washington	United States
Under 5	1,846 ±338	6.5% ±1.2	5.5% ±<0.1	5.6% ±<0.1
5 to 17	7,004 ±570	24.8% ±2.0	15.8% ±0.1	16.3% ±<0.1
18 to 24	1,704 ±317	6.0% ±1.1	8.5% ±0.1	9.1% ±<0.1
25 to 44	8,158 ±621	28.8% ±2.2	29.5% ±0.1	26.9% ±<0.1
45 to 64	6,870 ±608	24.3% ±2.1	24.0% ±0.1	24.8% ±<0.1
65 and over	2,705 ±409	9.6% ±1.4	16.6% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $152,885 ±$14,437, and income per person $55,299 ±$3,477, 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 Maple Valley city by income, ACS 2020–2024
Household income	Households	Share	Washington	United States
Under $25,000	690 ±301	7.3% ±3.2	11.1% ±0.2	14.6% ±<0.1
$25,000 to $49,999	440 ±130	4.7% ±1.4	13.2% ±0.2	16.7% ±<0.1
$50,000 to $74,999	886 ±290	9.4% ±3.1	14.1% ±0.2	15.5% ±<0.1
$75,000 to $99,999	975 ±255	10.4% ±2.7	12.4% ±0.1	12.6% ±<0.1
$100,000 to $149,999	1,618 ±226	17.2% ±2.3	19.2% ±0.2	17.5% ±<0.1
$150,000 to $199,999	1,865 ±271	19.9% ±2.8	11.4% ±0.1	9.6% ±<0.1
$200,000 or more	2,920 ±338	31.1% ±3.4	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 Maple Valley city by age, ACS 2020–2024
Age	Below poverty	Rate	Washington	United States
All ages	1,348 ±522	4.8% ±1.8	9.9% ±0.2	12.5% ±0.1
Under 18	224 to 692	2.6% to 7.8%	11.6% ±0.3	16.1% ±0.1
18 to 59	449 ±179	2.9% ±1.2	9.5% ±0.2	11.6% ±0.1
60 and over	441 ±176	10.7% ±4.1	9.3% ±0.2	11.0% ±<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%.

Housing, 2020–2024

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Housing in Maple Valley city, ACS 2020–2024
Measure	Maple Valley city	Washington	United States
Housing units	9,633 ±388	3,306,620 ±517	143,775,355 ±10,234
Occupied	97.5% ±5.5	92.7% ±0.2	89.9% ±0.1
Vacant	1.0% to 4.0%	7.3% ±0.2	10.1% ±0.1
Owner occupied	83.2% ±2.5	63.8% ±0.3	65.2% ±0.3
Renter occupied	16.8% ±3.2	36.2% ±0.2	34.8% ±0.1
Median home value	$724,700 ±$19,675	$564,600 ±$1,940	$332,700 ±$236
Median gross rent	$2,304 ±$242	$1,760 ±$7	$1,413 ±$2
Median year built	2001 ±1	1985 ±1	1980 ±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%.

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 Maple Valley city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Washington	United States
Hispanic or Latino	1,428 ±395	5.0% ±1.4	14.4% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	19,144 ±971	67.7% ±3.4	63.1% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	170 to 716	0.6% to 2.5%	3.8% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	4,370 ±704	15.4% ±2.5	9.7% ±0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	36 to 146	0.1% to 0.5%	0.8% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 130	0% to 0.5%	0.7% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	51 to 399	0.2% to 1.4%	0.6% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	2,535 ±552	9.0% ±2.0	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 Maple Valley city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Washington	United States
Born in the state	13,230 ±810	46.8% ±2.9	46.4% ±0.2	57.3% ±<0.1
Born in another state	9,960 ±843	35.2% ±3.0	36.2% ±0.2	26.9% ±<0.1
Born a citizen outside the states	486 ±166	1.7% ±0.6	1.9% ±<0.1	1.7% ±<0.1
Born abroad	4,611 ±637	16.3% ±2.3	15.4% ±0.1	14.1% ±<0.1
Naturalized citizens	2,158 ±426	7.6% ±1.5	7.5% ±0.1	7.4% ±<0.1
Not citizens	2,453 ±598	8.7% ±2.1	7.9% ±0.1	6.8% ±<0.1

Maple Valley city among the places of Washington

46th of 194 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the Washington page.

Places of Washington near Maple Valley city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Walla Walla city	33,925 ±24
Des Moines city	32,823 ±46
SeaTac city	32,414 ±74
Pullman city	32,229 ±45
Orchards CDP	29,438 ±2,261
Maple Valley city	28,287 ±47
Camas city	27,007 ±41
Tumwater city	26,956 ±43
Moses Lake city	26,083 ±38
Mill Creek East CDP	25,453 ±1,402
Frederickson CDP	25,383 ±2,116

Elsewhere on the site

Reported crime in Maple Valley city, Washington

Rankings this appears in

No. 5 Places in Washington by median rent
No. 7 Places in Washington by median household income
No. 15 Places in Washington by homeownership rate
No. 34 Places in Washington by median home value
No. 36 Places in Washington by per capita income
No. 45 Places in Washington by foreign-born share

Sources

Census Bureau population estimates — incorporated places and New England towns — 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

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026