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   2010  +1 +5

6,743,009 people lived in Washington on July 1, 2010: the 13th-largest population among the 50 states and the District of Columbia. The median age was 37.3 years (United States: 37.2); children under 15 (19.4%) clearly outnumber residents 65 and older (12.4%): a relatively young population. There were 99.2 men for every 100 women. Source: U.S. Census Bureau, Population Estimates Program, Vintage 2020 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, 2010
Population
6,743,009
Rank by population
13th of 51
Median age
37.3
Men per 100 women
99.2
Under 15
19.4%
15–64
68.2%
65 and over
12.4%
Child dependency
28.5
Old-age dependency
18.1
Dependency ratios count children under 15 or adults 65 and over per 100 residents aged 15 to 64.
Show the population by age group, 2010
AgeMenWomenTotalShare
0-4225,731215,394441,1256.5%
5-9219,881210,317430,1986.4%
10-14224,952213,787438,7396.5%
15-19236,340223,242459,5826.8%
20-24239,130224,665463,7956.9%
25-29245,451236,110481,5617.1%
30-34231,567225,111456,6786.8%
35-39225,869220,926446,7956.6%
40-44233,492227,952461,4446.8%
45-49245,566245,229490,7957.3%
50-54246,354249,648496,0027.4%
55-59222,734233,194455,9286.8%
60-64188,461198,123386,5845.7%
65-69132,354141,072273,4264.1%
70-7489,74898,902188,6502.8%
75-7964,42277,752142,1742.1%
80-8446,02665,365111,3911.7%
85+40,42377,719118,1421.8%
How Washington compares with similar-sized states, 2010
RankStateResidentsRelative
10 North Carolina 9,574,586
11 New Jersey 8,799,451
12 Virginia 8,024,004
13 Washington 6,743,009
14 Massachusetts 6,566,440
15 Indiana 6,490,555
16 Arizona 6,407,342
Frequently asked questions about Washington's population
What is the population of Washington?
Washington had an estimated 6,743,009 residents on July 1, 2010, 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 37.3 years in 2010, the 30th oldest of the 51 states and DC. That is 0.1 years older than the national median of 37.2.
How many people in Washington are 65 or older?
About 833,783 residents of Washington (12.4%) were 65 or older in 2010, against 19.4% under 15 and 68.2% aged 15 to 64.
What does the population pyramid of Washington show?
In 2010, Washington: children under 15 (19.4%) clearly outnumber residents 65 and older (12.4%): a relatively young population. There were 99.2 men for every 100 women.
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