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

Population of Louisiana, 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   2021  +1 +5

4,628,595 people lived in Louisiana on July 1, 2021: the 25th-largest population among the 50 states and the District of Columbia. The median age was 38.2 years (United States: 38.9); children (19.4%) and older adults (16.9%) make up similar shares of the population. There were 94.3 men for every 100 women. Since 2010 the population has grown by 1.8%. Source: U.S. Census Bureau, Population Estimates Program, Vintage 2025 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, 2021
Population
4,628,595
Rank by population
25th of 51
Median age
38.2
Men per 100 women
94.3
Under 15
19.4%
15–64
63.7%
65 and over
16.9%
Child dependency
30.4
Old-age dependency
26.5
Change since 2010
+1.8%
Dependency ratios count children under 15 or adults 65 and over per 100 residents aged 15 to 64.
Show the population by age group, 2021
AgeMenWomenTotalShare
0-4145,765139,982285,7476.2%
5-9151,935146,329298,2646.4%
10-14159,191152,945312,1366.7%
15-19156,255151,774308,0296.7%
20-24155,321159,216314,5376.8%
25-29141,495145,807287,3026.2%
30-34149,085156,843305,9286.6%
35-39151,408160,479311,8876.7%
40-44142,687147,822290,5096.3%
45-49125,800131,654257,4545.6%
50-54133,027141,042274,0695.9%
55-59143,019154,648297,6676.4%
60-64144,726158,341303,0676.5%
65-69125,347141,255266,6025.8%
70-7499,029116,434215,4634.7%
75-7959,65476,048135,7022.9%
80-8435,37750,93886,3151.9%
85+27,00550,91277,9171.7%
How Louisiana compares with similar-sized states, 2021
RankStateResidentsRelative
22 Minnesota 5,714,055
23 South Carolina 5,194,346
24 Alabama 5,050,058
25 Louisiana 4,628,595
26 Kentucky 4,508,348
27 Oregon 4,254,691
28 Oklahoma 3,992,760
Frequently asked questions about Louisiana's population
What is the population of Louisiana?
Louisiana had an estimated 4,628,595 residents on July 1, 2021, according to the U.S. Census Bureau, Population Estimates Program. That ranks 25th among the 51 states and the District of Columbia.
What is the median age in Louisiana?
The median age in Louisiana was 38.2 years in 2021, the 38th oldest of the 51 states and DC. That is 0.7 years younger than the national median of 38.9.
How many people in Louisiana are 65 or older?
About 781,999 residents of Louisiana (16.9%) were 65 or older in 2021, against 19.4% under 15 and 63.7% aged 15 to 64.
What does the population pyramid of Louisiana show?
In 2021, Louisiana: children (19.4%) and older adults (16.9%) make up similar shares of the population. There were 94.3 men for every 100 women.
How fast is the population of Louisiana changing?
The population of Louisiana grew by 1.8% between 2010 and 2021, and by -0.5% in the last year.
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