Share of the population by age and sex, five-year groups
Maryland population pyramid, 2020
Year
20206,178,387 people lived in Maryland on July 1, 2020: the 18th-largest population among the 50 states and the District of Columbia. The median age was 38.8 years (United States: 38.7); children (18.3%) and older adults (16.0%) make up similar shares of the population. There were 93.0 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.
Show the population by age group, 2020
| Age | Men | Women | Total | Share |
|---|---|---|---|---|
| 0-4 | 181,582 | 174,993 | 356,575 | 5.8% |
| 5-9 | 191,611 | 183,319 | 374,930 | 6.1% |
| 10-14 | 203,825 | 195,352 | 399,177 | 6.5% |
| 15-19 | 204,105 | 196,198 | 400,303 | 6.5% |
| 20-24 | 202,205 | 197,769 | 399,974 | 6.5% |
| 25-29 | 200,713 | 205,454 | 406,167 | 6.6% |
| 30-34 | 210,108 | 221,481 | 431,589 | 7.0% |
| 35-39 | 203,639 | 218,572 | 422,211 | 6.8% |
| 40-44 | 184,230 | 199,954 | 384,184 | 6.2% |
| 45-49 | 179,148 | 196,674 | 375,822 | 6.1% |
| 50-54 | 192,418 | 213,177 | 405,595 | 6.6% |
| 55-59 | 205,985 | 228,123 | 434,108 | 7.0% |
| 60-64 | 187,880 | 211,443 | 399,323 | 6.5% |
| 65-69 | 150,540 | 177,712 | 328,252 | 5.3% |
| 70-74 | 117,528 | 144,471 | 261,999 | 4.2% |
| 75-79 | 76,562 | 99,466 | 176,028 | 2.8% |
| 80-84 | 45,871 | 64,679 | 110,550 | 1.8% |
| 85+ | 39,143 | 72,457 | 111,600 | 1.8% |
| Rank | State | Residents | Relative |
|---|---|---|---|
| 15 | Massachusetts | 6,985,320 | |
| 16 | Tennessee | 6,927,736 | |
| 17 | Indiana | 6,790,290 | |
| 18 | Maryland | 6,178,387 | |
| 19 | Missouri | 6,155,074 | |
| 20 | Wisconsin | 5,897,371 | |
| 21 | Colorado | 5,786,873 |