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

Population of Kansas, 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

2,858,266 people lived in Kansas on July 1, 2010: the 33rd-largest population among the 50 states and the District of Columbia. The median age was 36.0 years (United States: 37.2); children under 15 (21.3%) clearly outnumber residents 65 and older (13.2%): a relatively young population. There were 98.5 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
2,858,266
Rank by population
33rd of 51
Median age
36.0
Men per 100 women
98.5
Under 15
21.3%
15–64
65.6%
65 and over
13.2%
Child dependency
32.4
Old-age dependency
20.1
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
0-4104,967100,559205,5267.2%
5-9103,45199,174202,6257.1%
10-14102,41996,922199,3417.0%
15-19105,55498,572204,1267.1%
20-24105,63399,154204,7877.2%
25-29101,23296,920198,1526.9%
30-3492,04589,213181,2586.3%
35-3986,85685,027171,8836.0%
40-4487,76786,554174,3216.1%
45-4999,551100,772200,3237.0%
50-54101,055103,598204,6537.2%
55-5990,71992,910183,6296.4%
60-6474,39876,177150,5755.3%
65-6951,60956,679108,2883.8%
70-7438,18044,68382,8632.9%
75-7930,15539,09469,2492.4%
80-8423,05033,94456,9942.0%
85+19,50440,16959,6732.1%
How Kansas compares with similar-sized states, 2010
RankStateResidentsRelative
30 Iowa 3,050,819
31 Mississippi 2,970,615
32 Arkansas 2,921,998
33 Kansas 2,858,266
34 Utah 2,775,413
35 Nevada 2,702,483
36 New Mexico 2,064,614
Frequently asked questions about Kansas's population
What is the population of Kansas?
Kansas had an estimated 2,858,266 residents on July 1, 2010, according to the U.S. Census Bureau, Population Estimates Program. That ranks 33rd among the 51 states and the District of Columbia.
What is the median age in Kansas?
The median age in Kansas was 36.0 years in 2010, the 42nd oldest of the 51 states and DC. That is 1.2 years younger than the national median of 37.2.
How many people in Kansas are 65 or older?
About 377,067 residents of Kansas (13.2%) were 65 or older in 2010, against 21.3% under 15 and 65.6% aged 15 to 64.
What does the population pyramid of Kansas show?
In 2010, Kansas: children under 15 (21.3%) clearly outnumber residents 65 and older (13.2%): a relatively young population. There were 98.5 men for every 100 women.
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