| |
| Age Group | Male | Female | Maryland, 2010, Universe: 001 Total population Universe Population: 5,773,552 | ||
| Population | Pct | Population | Pct |  | |
| Total | 2,791,762 | 48.4 | 2,981,790 | 51.6 | |
| 0- 4 | 185,916 | 3.2 | 178,572 | 3.1 | |
| 5- 9 | 186,865 | 3.2 | 180,003 | 3.1 | |
| 10-14 | 193,068 | 3.3 | 185,961 | 3.2 | |
| 15-19 | 208,249 | 3.6 | 197,992 | 3.4 | |
| 20-24 | 199,923 | 3.5 | 193,775 | 3.4 | |
| 25-29 | 194,223 | 3.4 | 199,325 | 3.5 | |
| 30-34 | 179,279 | 3.1 | 189,215 | 3.3 | |
| 35-39 | 181,543 | 3.1 | 195,866 | 3.4 | |
| 40-44 | 200,934 | 3.5 | 217,229 | 3.8 | |
| 45-49 | 221,969 | 3.8 | 239,616 | 4.2 | |
| 50-54 | 211,218 | 3.7 | 229,401 | 4.0 | |
| 55-59 | 179,108 | 3.1 | 198,881 | 3.4 | |
| 60-64 | 149,941 | 2.6 | 167,838 | 2.9 | |
| 65-69 | 104,873 | 1.8 | 121,723 | 2.1 | |
| 70-74 | 72,158 | 1.2 | 87,603 | 1.5 | |
| 75-79 | 53,066 | 0.9 | 71,513 | 1.2 | |
| 80-84 | 38,419 | 0.7 | 60,161 | 1.0 | |
| 85+ | 31,010 | 0.5 | 67,116 | 1.2 | |