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

Population of Kentucky, 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

4,348,464 people lived in Kentucky on July 1, 2010: the 26th-largest population among the 50 states and the District of Columbia. The median age was 38.1 years (United States: 37.2); children under 15 (19.5%) clearly outnumber residents 65 and older (13.3%): a relatively young population. There were 96.9 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
4,348,464
Rank by population
26th of 51
Median age
38.1
Men per 100 women
96.9
Under 15
19.5%
15–64
67.1%
65 and over
13.3%
Child dependency
29.1
Old-age dependency
19.9
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
0-4144,024138,196282,2206.5%
5-9144,822138,039282,8616.5%
10-14145,994138,649284,6436.5%
15-19152,219144,247296,4666.8%
20-24149,118144,206293,3246.7%
25-29143,709141,455285,1646.6%
30-34142,658139,597282,2556.5%
35-39142,949140,926283,8756.5%
40-44145,941145,752291,6936.7%
45-49159,450163,265322,7157.4%
50-54156,806163,090319,8967.4%
55-59140,595149,063289,6586.7%
60-64122,324130,976253,3005.8%
65-6988,04898,234186,2824.3%
70-7464,23276,185140,4173.2%
75-7945,18060,304105,4842.4%
80-8430,26148,27078,5311.8%
85+21,21448,46669,6801.6%
How Kentucky compares with similar-sized states, 2010
RankStateResidentsRelative
23 Alabama 4,785,514
24 South Carolina 4,635,846
25 Louisiana 4,544,635
26 Kentucky 4,348,464
27 Oregon 3,837,614
28 Oklahoma 3,760,014
29 Connecticut 3,579,173
Frequently asked questions about Kentucky's population
What is the population of Kentucky?
Kentucky had an estimated 4,348,464 residents on July 1, 2010, according to the U.S. Census Bureau, Population Estimates Program. That ranks 26th among the 51 states and the District of Columbia.
What is the median age in Kentucky?
The median age in Kentucky was 38.1 years in 2010, the 19th oldest of the 51 states and DC. That is 0.9 years older than the national median of 37.2.
How many people in Kentucky are 65 or older?
About 580,394 residents of Kentucky (13.3%) were 65 or older in 2010, against 19.5% under 15 and 67.1% aged 15 to 64.
What does the population pyramid of Kentucky show?
In 2010, Kentucky: children under 15 (19.5%) clearly outnumber residents 65 and older (13.3%): a relatively young population. There were 96.9 men for every 100 women.
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