The number of cats far exceed the number of indoor homes available. The statistics vary widely because un-owned cats are hard to count. But, animal welfare agencies have reported that there are 5 to 15 cats born for every household in the United States. There are simply not enough indoor homes for every cat.
Below are some helpful resources from Alley Cat Advocates on how to help stray cats.
For more about Alley Cat Advocates or for help getting stray cats spayed or neutered, visit their website at http://alleycatadvocates.org/ or call (502) 634-8777.