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

Population of Missouri, 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   2011  +1 +5

6,011,182 people lived in Missouri on July 1, 2011: the 18th-largest population among the 50 states and the District of Columbia. The median age was 38.0 years (United States: 37.3); children under 15 (19.5%) clearly outnumber residents 65 and older (14.2%): a relatively young population. There were 96.1 men for every 100 women. Since 2010 the population has grown by 0.3%. 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, 2011
Population
6,011,182
Rank by population
18th of 51
Median age
38.0
Men per 100 women
96.1
Under 15
19.5%
15–64
66.3%
65 and over
14.2%
Child dependency
29.4
Old-age dependency
21.4
Change since 2010
+0.3%
Dependency ratios count children under 15 or adults 65 and over per 100 residents aged 15 to 64.
Show the population by age group, 2011
AgeMenWomenTotalShare
0-4197,335188,080385,4156.4%
5-9199,253190,397389,6506.5%
10-14202,952193,918396,8706.6%
15-19212,156201,040413,1966.9%
20-24211,505209,604421,1097.0%
25-29201,777201,875403,6526.7%
30-34192,494192,195384,6896.4%
35-39176,433178,605355,0385.9%
40-44189,478192,219381,6976.3%
45-49209,932214,459424,3917.1%
50-54220,547228,266448,8137.5%
55-59194,140206,657400,7976.7%
60-64168,716184,300353,0165.9%
65-69123,188137,760260,9484.3%
70-7491,604107,785199,3893.3%
75-7968,48087,534156,0142.6%
80-8447,87671,528119,4042.0%
85+37,57179,523117,0941.9%
How Missouri compares with similar-sized states, 2011
RankStateResidentsRelative
15 Indiana 6,517,250
16 Arizona 6,473,416
17 Tennessee 6,400,298
18 Missouri 6,011,182
19 Maryland 5,840,241
20 Wisconsin 5,705,840
21 Minnesota 5,346,620
Frequently asked questions about Missouri's population
What is the population of Missouri?
Missouri had an estimated 6,011,182 residents on July 1, 2011, according to the U.S. Census Bureau, Population Estimates Program. That ranks 18th among the 51 states and the District of Columbia.
What is the median age in Missouri?
The median age in Missouri was 38.0 years in 2011, the 24th oldest of the 51 states and DC. That is 0.7 years older than the national median of 37.3.
How many people in Missouri are 65 or older?
About 852,849 residents of Missouri (14.2%) were 65 or older in 2011, against 19.5% under 15 and 66.3% aged 15 to 64.
What does the population pyramid of Missouri show?
In 2011, Missouri: children under 15 (19.5%) clearly outnumber residents 65 and older (14.2%): a relatively young population. There were 96.1 men for every 100 women.
How fast is the population of Missouri changing?
The population of Missouri grew by 0.3% between 2010 and 2011, and by 0.3% in the last year.
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