HOUSTON – Houston loves their dogs, but have you wondered which breed tops all? Currently, Mixed breed dogs, Labrador Retrievers and Chihuahuas round up the top three in the nation. Miniature SchnauzerWith many high-rises and apartment buildings in the Houston area, it’s no surprise that the Miniature Schnauzer is the perfect dog for apartment life. Miniature Schnauzer (Free-Photos)2. If you are looking for a dog that’s easy to show tricks, Poms are just perfect for it.