| Total number led homes in Key Center, by type |  | 
| Total Home Population: | 1,407 | 
| Population of Family homes: | 1,069 | 
| Population of 15 to 24 year olds: | 12 | 
| Population of 25 to 34 year olds: | 116 | 
| Population of 35 to 44 year olds: | 201 | 
| Population of 45 to 54 year olds: | 258 | 
| Population of 55 to 59 year olds: | 136 | 
| Population of 60 to 64 year olds: | 126 | 
| Population of 65 to 74 year olds: | 150 | 
| Population of 75 to 84 year olds: | 56 | 
| Population of 85 year olds and over: | 14 | 
| Population of Nonfamily Homes: | 338 | 
| Population of 15 to 24 year olds: | 5 | 
| Population of 25 to 34 year olds: | 25 | 
| Population of 35 to 44 year olds: | 29 | 
| Population of 45 to 54 year olds: | 86 | 
| Population of 55 to 59 year olds: | 53 | 
| Population of 60 to 64 year olds: | 43 | 
| Population of 65 to 74 year olds: | 64 | 
| Population of 75 to 84 year olds: | 25 | 
| Population of 85 year olds and over: | 8 |