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   2018  +1 +5

4,464,273 people lived in Kentucky on July 1, 2018: the 26th-largest population among the 50 states and the District of Columbia. The median age was 38.9 years (United States: 38.2); children (18.8%) and older adults (16.3%) make up similar shares of the population. There were 97.1 men for every 100 women. Since 2010 the population has grown by 2.7%. 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
4,464,273
Rank by population
26th of 51
Median age
38.9
Men per 100 women
97.1
Under 15
18.8%
15–64
64.9%
65 and over
16.3%
Child dependency
28.9
Old-age dependency
25.2
Change since 2010
+2.7%
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
0-4141,220134,296275,5166.2%
5-9142,154134,446276,6006.2%
10-14145,740139,742285,4826.4%
15-19147,177139,508286,6856.4%
20-24155,739145,022300,7616.7%
25-29158,008152,241310,2496.9%
30-34138,854135,784274,6386.2%
35-39140,811141,985282,7966.3%
40-44134,105134,676268,7816.0%
45-49141,965143,569285,5346.4%
50-54143,256147,897291,1536.5%
55-59148,894158,673307,5676.9%
60-64138,103151,051289,1546.5%
65-69115,720129,301245,0215.5%
70-7487,801101,801189,6024.2%
75-7957,40372,668130,0712.9%
80-8434,61348,95283,5651.9%
85+27,36553,73381,0981.8%
How Kentucky compares with similar-sized states, 2018
RankStateResidentsRelative
23 South Carolina 5,091,702
24 Alabama 4,891,628
25 Louisiana 4,664,450
26 Kentucky 4,464,273
27 Oregon 4,183,538
28 Oklahoma 3,943,488
29 Connecticut 3,574,561
Frequently asked questions about Kentucky's population
What is the population of Kentucky?
Kentucky had an estimated 4,464,273 residents on July 1, 2018, 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 38.9 years in 2018, the 21st oldest of the 51 states and DC. That is 0.7 years older than the national median of 38.2.
How many people in Kentucky are 65 or older?
About 729,357 residents of Kentucky (16.3%) were 65 or older in 2018, against 18.8% under 15 and 64.9% aged 15 to 64.
What does the population pyramid of Kentucky show?
In 2018, Kentucky: children (18.8%) and older adults (16.3%) make up similar shares of the population. There were 97.1 men for every 100 women.
How fast is the population of Kentucky changing?
The population of Kentucky grew by 2.7% between 2010 and 2018, and by 0.2% in the last year.
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