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

Population of Maryland, 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

6,176,035 people lived in Maryland on July 1, 2021: the 18th-largest population among the 50 states and the District of Columbia. The median age was 39.0 years (United States: 38.9); children (18.1%) and older adults (16.4%) make up similar shares of the population. There were 92.9 men for every 100 women. Since 2010 the population has grown by 6.7%. 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
6,176,035
Rank by population
18th of 51
Median age
39.0
Men per 100 women
92.9
Under 15
18.1%
15–64
65.5%
65 and over
16.4%
Child dependency
27.6
Old-age dependency
25.1
Change since 2010
+6.7%
Dependency ratios count children under 15 or adults 65 and over per 100 residents aged 15 to 64.
Show the population by age group, 2021
AgeMenWomenTotalShare
0-4178,567172,155350,7225.7%
5-9189,310181,502370,8126.0%
10-14201,869193,626395,4956.4%
15-19201,923193,256395,1796.4%
20-24203,952200,425404,3776.5%
25-29197,947201,284399,2316.5%
30-34210,572221,990432,5627.0%
35-39205,111219,995425,1066.9%
40-44189,362205,302394,6646.4%
45-49173,557190,294363,8515.9%
50-54190,430211,619402,0496.5%
55-59201,200223,749424,9496.9%
60-64189,560213,352402,9126.5%
65-69153,200180,939334,1395.4%
70-74122,373151,479273,8524.4%
75-7978,444102,201180,6452.9%
80-8447,33066,700114,0301.8%
85+39,54971,911111,4601.8%
How Maryland compares with similar-sized states, 2021
RankStateResidentsRelative
15 Massachusetts 6,996,721
16 Tennessee 6,966,687
17 Indiana 6,814,223
18 Maryland 6,176,035
19 Missouri 6,172,551
20 Wisconsin 5,882,128
21 Colorado 5,814,368
Frequently asked questions about Maryland's population
What is the population of Maryland?
Maryland had an estimated 6,176,035 residents on July 1, 2021, according to the U.S. Census Bureau, Population Estimates Program. That ranks 18th among the 51 states and the District of Columbia.
What is the median age in Maryland?
The median age in Maryland was 39.0 years in 2021, the 29th oldest of the 51 states and DC. That is 0.1 years older than the national median of 38.9.
How many people in Maryland are 65 or older?
About 1,014,126 residents of Maryland (16.4%) were 65 or older in 2021, against 18.1% under 15 and 65.5% aged 15 to 64.
What does the population pyramid of Maryland show?
In 2021, Maryland: children (18.1%) and older adults (16.4%) make up similar shares of the population. There were 92.9 men for every 100 women.
How fast is the population of Maryland changing?
The population of Maryland grew by 6.7% between 2010 and 2021, and by -0.0% in the last year.
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