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

Population of Arizona, 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   2018  +1 +5

7,164,228 people lived in Arizona on July 1, 2018: the 14th-largest population among the 50 states and the District of Columbia. The median age was 37.9 years (United States: 38.2); children (19.0%) and older adults (17.6%) make up similar shares of the population. There were 98.8 men for every 100 women. Since 2010 the population has grown by 11.8%. 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, 2018
Population
7,164,228
Rank by population
14th of 51
Median age
37.9
Men per 100 women
98.8
Under 15
19.0%
15–64
63.4%
65 and over
17.6%
Child dependency
29.9
Old-age dependency
27.7
Change since 2010
+11.8%
Dependency ratios count children under 15 or adults 65 and over per 100 residents aged 15 to 64.
Show the population by age group, 2018
AgeMenWomenTotalShare
0-4220,397211,888432,2856.0%
5-9229,945221,358451,3036.3%
10-14242,809233,681476,4906.7%
15-19242,386231,555473,9416.6%
20-24256,027236,402492,4296.9%
25-29268,889248,869517,7587.2%
30-34242,040225,892467,9326.5%
35-39233,543224,917458,4606.4%
40-44211,453209,774421,2275.9%
45-49214,908216,204431,1126.0%
50-54205,773212,183417,9565.8%
55-59213,445227,767441,2126.2%
60-64198,721224,349423,0705.9%
65-69180,737208,318389,0555.4%
70-74158,201178,478336,6794.7%
75-79111,602127,735239,3373.3%
80-8470,05080,665150,7152.1%
85+59,24384,024143,2672.0%
How Arizona compares with similar-sized states, 2018
RankStateResidentsRelative
11 New Jersey 8,891,730
12 Virginia 8,510,920
13 Washington 7,526,793
14 Arizona 7,164,228
15 Massachusetts 6,885,720
16 Tennessee 6,778,180
17 Indiana 6,698,481
Frequently asked questions about Arizona's population
What is the population of Arizona?
Arizona had an estimated 7,164,228 residents on July 1, 2018, according to the U.S. Census Bureau, Population Estimates Program. That ranks 14th among the 51 states and the District of Columbia.
What is the median age in Arizona?
The median age in Arizona was 37.9 years in 2018, the 34th oldest of the 51 states and DC. That is 0.3 years younger than the national median of 38.2.
How many people in Arizona are 65 or older?
About 1,259,053 residents of Arizona (17.6%) were 65 or older in 2018, against 19.0% under 15 and 63.4% aged 15 to 64.
What does the population pyramid of Arizona show?
In 2018, Arizona: children (19.0%) and older adults (17.6%) make up similar shares of the population. There were 98.8 men for every 100 women.
How fast is the population of Arizona changing?
The population of Arizona grew by 11.8% between 2010 and 2018, and by 1.6% in the last year.
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