Share of the population by age and sex, five-year groups

Population of Washington, 2010–2025 · click to pick a year
Estimates up to 2019 are built on the 2010 Census, those from 2020 on the 2020 Census. A line that steps up or down between 2019 and 2020 reflects this re-basing, not a sudden change in population.

Year

-5 -1   2024  +1 +5

7,927,958 people lived in Washington on July 1, 2024: the 13th-largest population among the 50 states and the District of Columbia. The median age was 38.7 years (United States: 39.2); more residents are 65 or older (17.9%) than under 15 (17.0%): an ageing, top-heavy pyramid. There were 99.7 men for every 100 women. Since 2010 the population has grown by 17.6%. Source: U.S. Census Bureau, Population Estimates Program, Vintage 2025 estimates (resident population on July 1; public domain). Median age, shares, dependency ratios and rankings are calculated by PopulationPyramid.net from these estimates; the Census Bureau does not endorse this site.

Key indicators, 2024
Population
7,927,958
Rank by population
13th of 51
Median age
38.7
Men per 100 women
99.7
Under 15
17.0%
15–64
65.1%
65 and over
17.9%
Child dependency
26.1
Old-age dependency
27.6
Change since 2010
+17.6%
Dependency ratios count children under 15 or adults 65 and over per 100 residents aged 15 to 64.
Show the population by age group, 2024
AgeMenWomenTotalShare
0-4216,458206,396422,8545.3%
5-9233,707222,414456,1215.8%
10-14240,762228,728469,4905.9%
15-19245,285232,250477,5356.0%
20-24263,683242,315505,9986.4%
25-29300,224277,216577,4407.3%
30-34316,546298,794615,3407.8%
35-39302,874289,627592,5017.5%
40-44279,789272,140551,9297.0%
45-49238,016235,714473,7306.0%
50-54227,296228,473455,7695.7%
55-59217,792224,031441,8235.6%
60-64225,934239,489465,4235.9%
65-69210,284232,789443,0735.6%
70-74176,294203,124379,4184.8%
75-79130,071154,443284,5143.6%
80-8475,41794,490169,9072.1%
85+56,86388,230145,0931.8%
How Washington compares with similar-sized states, 2024
RankStateResidentsRelative
10 Michigan 10,099,962
11 New Jersey 9,506,354
12 Virginia 8,819,642
13 Washington 7,927,958
14 Arizona 7,556,424
15 Tennessee 7,251,291
16 Massachusetts 7,138,560
Frequently asked questions about Washington's population
What is the population of Washington?
Washington had an estimated 7,927,958 residents on July 1, 2024, according to the U.S. Census Bureau, Population Estimates Program. That ranks 13th among the 51 states and the District of Columbia.
What is the median age in Washington?
The median age in Washington was 38.7 years in 2024, the 37th oldest of the 51 states and DC. That is 0.5 years younger than the national median of 39.2.
How many people in Washington are 65 or older?
About 1,422,005 residents of Washington (17.9%) were 65 or older in 2024, against 17.0% under 15 and 65.1% aged 15 to 64.
What does the population pyramid of Washington show?
In 2024, Washington: more residents are 65 or older (17.9%) than under 15 (17.0%): an ageing, top-heavy pyramid. There were 99.7 men for every 100 women.
How fast is the population of Washington changing?
The population of Washington grew by 17.6% between 2010 and 2024, and by 1.1% in the last year.
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