Married (and not separated) are the predominant family structure in Sundre. They account for 57.06% of the population. People that are Divorced account for 13.56% of the population of Sundre. People that are Living common law account for 12.99% of the population of Sundre. People that are Widowed account for 11.86% of the population of Sundre. People that are Separated account for 4.52% of the population of Sundre.
| Statistic | Percentage |
|---|---|
| Married (and not separated) | 57.06 % |
| Divorced | 13.56 % |
| Living common law | 12.99 % |
| Widowed | 11.86 % |
| Separated | 4.52 % |