| 0 to 4 years |
| O'Leary: | 30 |  | 3.47% |
| Community's average: | 17 |  | 4.53% |
| Prince Edward Island: | 6,690 |  | 4.92% |
|
Male | Female |
| O'Leary: | 15 |  | 3.90% |
| Prince Edward Island: | 3,370 |  | 5.14% |
|
| O'Leary: | 15 |  | 3.16% |
| Prince Edward Island: | 3,320 |  | 4.73% |
|
| |
| 5 to 9 years |
| O'Leary: | 50 |  | 5.78% |
| Community's average: | 21 |  | 5.70% |
| Prince Edward Island: | 7,920 |  | 5.83% |
|
Male | Female |
| O'Leary: | 30 |  | 7.79% |
| Prince Edward Island: | 4,065 |  | 6.20% |
|
| O'Leary: | 20 |  | 4.21% |
| Prince Edward Island: | 3,860 |  | 5.49% |
|
| |
| 10 to 14 years |
| O'Leary: | 60 |  | 6.94% |
| Community's average: | 26 |  | 6.98% |
| Prince Edward Island: | 9,375 |  | 6.90% |
|
Male | Female |
| O'Leary: | 30 |  | 7.79% |
| Prince Edward Island: | 4,825 |  | 7.36% |
|
| Here: | 30 |  | 6.32% |
| Province: | 4,550 |  | 6.48% |
|
| |
| 15 to 19 years |
| Here: | 60 |  | 6.94% |
| Community's average: | 25 |  | 6.78% |
| Province: | 9,940 |  | 7.32% |
|
Male | Female |
| O'Leary: | 35 |  | 9.09% |
| Prince Edward Island: | 5,000 |  | 7.62% |
|
| O'Leary: | 25 |  | 5.26% |
| Prince Edward Island: | 4,940 |  | 7.03% |
|
| |
| 20 to 24 years |
| Here: | 40 |  | 4.62% |
| Community's average: | 19 |  | 5.13% |
| Prince Edward Island: | 8,585 |  | 6.32% |
|
Male | Female |
| O'Leary: | 25 |  | 6.49% |
| Prince Edward Island: | 4,190 |  | 6.39% |
|
| O'Leary: | 15 |  | 3.16% |
| Province: | 4,400 |  | 6.26% |
|
| |
| 25 to 29 years |
| O'Leary: | 35 |  | 4.05% |
| Community's average: | 17 |  | 4.69% |
| Prince Edward Island: | 7,365 |  | 5.42% |
|
Male | Female |
| Here: | 15 |  | 3.90% |
| Province: | 3,500 |  | 5.34% |
|
| O'Leary: | 15 |  | 3.16% |
| Prince Edward Island: | 3,865 |  | 5.50% |
|
| |
| 30 to 34 years |
| Here: | 30 |  | 3.47% |
| Community's average: | 20 |  | 5.50% |
| Prince Edward Island: | 7,840 |  | 5.77% |
|
Male | Female |
| O'Leary: | 10 |  | 2.60% |
| Prince Edward Island: | 3,755 |  | 5.72% |
|
| Here: | 20 |  | 4.21% |
| Province: | 4,090 |  | 5.82% |
|
| |
| 35 to 39 years |
| O'Leary: | 50 |  | 5.78% |
| Community's average: | 26 |  | 6.94% |
| Prince Edward Island: | 8,730 |  | 6.43% |
|
Male | Female |
| Here: | 25 |  | 6.49% |
| Prince Edward Island: | 4,210 |  | 6.42% |
|
| O'Leary: | 20 |  | 4.21% |
| Prince Edward Island: | 4,520 |  | 6.43% |
|
| |
| 40 to 44 years |
| Here: | 60 |  | 6.94% |
| Community's average: | 30 |  | 8.10% |
| Prince Edward Island: | 10,705 |  | 7.88% |
|
Male | Female |
| Here: | 30 |  | 7.79% |
| Province: | 5,150 |  | 7.85% |
|
| O'Leary: | 35 |  | 7.37% |
| Province: | 5,555 |  | 7.91% |
|
| |
| 45 to 49 years |
| O'Leary: | 50 |  | 5.78% |
| Community's average: | 28 |  | 7.66% |
| Prince Edward Island: | 10,870 |  | 8.00% |
|
Male | Female |
| O'Leary: | 25 |  | 6.49% |
| Prince Edward Island: | 5,210 |  | 7.94% |
|
| O'Leary: | 25 |  | 5.26% |
| Prince Edward Island: | 5,660 |  | 8.06% |
|
| |
| 50 to 54 years |
| O'Leary: | 40 |  | 4.62% |
| Community's average: | 26 |  | 7.14% |
| Province: | 10,205 |  | 7.51% |
|
Male | Female |
| O'Leary: | 15 |  | 3.90% |
| Prince Edward Island: | 5,005 |  | 7.63% |
|
| O'Leary: | 20 |  | 4.21% |
| Prince Edward Island: | 5,200 |  | 7.40% |
|
| |
| 55 to 59 years |
| O'Leary: | 60 |  | 6.94% |
| Community's average: | 28 |  | 7.66% |
| Prince Edward Island: | 10,045 |  | 7.39% |
|
Male | Female |
| O'Leary: | 25 |  | 6.49% |
| Prince Edward Island: | 4,905 |  | 7.48% |
|
| Here: | 35 |  | 7.37% |
| Prince Edward Island: | 5,140 |  | 7.32% |
|
| |
| 60 to 64 years |
| O'Leary: | 45 |  | 5.20% |
| Community's average: | 23 |  | 6.18% |
| Province: | 7,400 |  | 5.45% |
|
Male | Female |
| O'Leary: | 15 |  | 3.90% |
| Prince Edward Island: | 3,655 |  | 5.57% |
|
| O'Leary: | 25 |  | 5.26% |
| Province: | 3,745 |  | 5.33% |
|
| |
| 65 to 69 years |
| O'Leary: | 50 |  | 5.78% |
| Community's average: | 16 |  | 4.49% |
| Prince Edward Island: | 5,830 |  | 4.29% |
|
Male | Female |
| Here: | 20 |  | 5.19% |
| Prince Edward Island: | 2,880 |  | 4.39% |
|
| O'Leary: | 30 |  | 6.32% |
| Prince Edward Island: | 2,955 |  | 4.21% |
|
| |
| 70 to 74 years |
| O'Leary: | 45 |  | 5.20% |
| Community's average: | 15 |  | 4.09% |
| Province: | 4,975 |  | 3.66% |
|
Male | Female |
| O'Leary: | 20 |  | 5.19% |
| Prince Edward Island: | 2,335 |  | 3.56% |
|
| O'Leary: | 25 |  | 5.26% |
| Prince Edward Island: | 2,645 |  | 3.76% |
|
| |
| 75 to 79 years |
| O'Leary: | 50 |  | 5.78% |
| Community's average: | 12 |  | 3.41% |
| Prince Edward Island: | 3,765 |  | 2.77% |
|
Male | Female |
| O'Leary: | 15 |  | 3.90% |
| Province: | 1,665 |  | 2.54% |
|
| O'Leary: | 35 |  | 7.37% |
| Province: | 2,100 |  | 2.99% |
|
| |
| 80 to 84 years |
| O'Leary: | 45 |  | 5.20% |
| Community's average: | 10 |  | 2.65% |
| Prince Edward Island: | 2,920 |  | 2.15% |
|
Male | Female |
| O'Leary: | 15 |  | 3.90% |
| Province: | 1,115 |  | 1.70% |
|
| O'Leary: | 30 |  | 6.32% |
| Prince Edward Island: | 1,805 |  | 2.57% |
|
| |
| 85 years and over |
| Here: | 65 |  | 7.51% |
| Community's average: | 9 |  | 2.57% |
| Prince Edward Island: | 2,690 |  | 1.98% |
|
Male | Female |
| O'Leary: | 20 |  | 5.19% |
| Prince Edward Island: | 765 |  | 1.17% |
|
| O'Leary: | 50 |  | 10.53% |
| Prince Edward Island: | 1,920 |  | 2.73% |
|
| |
| |
| Median age of the population |
| O'Leary: | |  | 46.3 |
| Community's average: | |  | 42.6 |
| Prince Edward Island: | |  | 40.8 |
|
Male | Female |
| O'Leary: | |  | 40.7 |
| Prince Edward Island: | |  | 39.9 |
|
| O'Leary: | |  | 54.2 |
| Prince Edward Island: | |  | 41.6 |
|
| |
| Population aged 15 and over |
| Here: | |  | 83.7 % |
| Community's average: | |  | 82.7 % |
| Prince Edward Island: | |  | 82.3 % |
|
Male | Female |
| Here: | |  | 80.5 % |
| Prince Edward Island: | |  | 81.3 % |
|
| O'Leary: | |  | 86.3 % |
| Prince Edward Island: | |  | 83.3 % |
|
| |