| |
| Age Group | Male | Female | Delaware, 2010, Universe: 001 Total population Universe Population: 897,934 | ||
| Population | Pct | Population | Pct |  | |
| Total | 434,939 | 48.4 | 462,995 | 51.6 | |
| 0- 4 | 28,415 | 3.2 | 27,471 | 3.1 | |
| 5- 9 | 28,777 | 3.2 | 27,709 | 3.1 | |
| 10-14 | 28,953 | 3.2 | 27,895 | 3.1 | |
| 15-19 | 32,652 | 3.6 | 31,931 | 3.6 | |
| 20-24 | 31,493 | 3.5 | 31,374 | 3.5 | |
| 25-29 | 28,719 | 3.2 | 28,884 | 3.2 | |
| 30-34 | 26,409 | 2.9 | 27,405 | 3.1 | |
| 35-39 | 27,059 | 3.0 | 28,270 | 3.1 | |
| 40-44 | 29,390 | 3.3 | 31,368 | 3.5 | |
| 45-49 | 32,764 | 3.6 | 34,792 | 3.9 | |
| 50-54 | 31,713 | 3.5 | 34,285 | 3.8 | |
| 55-59 | 27,147 | 3.0 | 30,669 | 3.4 | |
| 60-64 | 24,916 | 2.8 | 28,197 | 3.1 | |
| 65-69 | 19,446 | 2.2 | 22,363 | 2.5 | |
| 70-74 | 14,139 | 1.6 | 16,505 | 1.8 | |
| 75-79 | 10,656 | 1.2 | 13,229 | 1.5 | |
| 80-84 | 7,177 | 0.8 | 10,018 | 1.1 | |
| 85+ | 5,114 | 0.6 | 10,630 | 1.2 | |