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

Population of Mississippi, 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

2,982,879 people lived in Mississippi on July 1, 2018: the 34th-largest population among the 50 states and the District of Columbia. The median age was 37.7 years (United States: 38.2); children under 15 (19.7%) clearly outnumber residents 65 and older (15.9%): a relatively young population. There were 94.2 men for every 100 women. Since 2010 the population has grown by 0.4%. 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
2,982,879
Rank by population
34th of 51
Median age
37.7
Men per 100 women
94.2
Under 15
19.7%
15–64
64.5%
65 and over
15.9%
Child dependency
30.5
Old-age dependency
24.6
Change since 2010
+0.4%
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
0-494,91692,049186,9656.3%
5-997,95294,918192,8706.5%
10-14105,790101,194206,9846.9%
15-19103,80699,289203,0956.8%
20-24103,593100,927204,5206.9%
25-29105,260104,570209,8307.0%
30-3490,63394,387185,0206.2%
35-3993,14197,268190,4096.4%
40-4484,90990,670175,5795.9%
45-4989,00295,538184,5406.2%
50-5489,09295,516184,6086.2%
55-5994,552103,965198,5176.7%
60-6488,33098,777187,1076.3%
65-6973,13684,305157,4415.3%
70-7456,26966,236122,5054.1%
75-7936,79748,21885,0152.9%
80-8422,57933,25555,8341.9%
85+17,11734,92352,0401.7%
How Mississippi compares with similar-sized states, 2018
RankStateResidentsRelative
31 Iowa 3,149,900
32 Nevada 3,030,725
33 Arkansas 3,012,161
34 Mississippi 2,982,879
35 Kansas 2,912,748
36 New Mexico 2,093,754
37 Nebraska 1,925,512
Frequently asked questions about Mississippi's population
What is the population of Mississippi?
Mississippi had an estimated 2,982,879 residents on July 1, 2018, according to the U.S. Census Bureau, Population Estimates Program. That ranks 34th among the 51 states and the District of Columbia.
What is the median age in Mississippi?
The median age in Mississippi was 37.7 years in 2018, the 37th oldest of the 51 states and DC. That is 0.5 years younger than the national median of 38.2.
How many people in Mississippi are 65 or older?
About 472,835 residents of Mississippi (15.9%) were 65 or older in 2018, against 19.7% under 15 and 64.5% aged 15 to 64.
What does the population pyramid of Mississippi show?
In 2018, Mississippi: children under 15 (19.7%) clearly outnumber residents 65 and older (15.9%): a relatively young population. There were 94.2 men for every 100 women.
How fast is the population of Mississippi changing?
The population of Mississippi grew by 0.4% between 2010 and 2018, and by -0.3% in the last year.
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