Here’s an odd fact: Seattle’s dog population is estimated to be around 140,000 and climbing. The number of kids? … 93,000 and dropping. Seattle’s not such a bad place to raise kids, but based on the 2010 census, roughly 15 percent of our population is 18 or younger. And, when you compare Seattle to Boston, New York City or Chicago our share of little ones looks pretty paltry. In fact, Seattle is neck and neck with San Francisco, which has the lowest population of children of all major U.S. cities. So where did all of Seattle’s kids go? Read more on I Wonder Why ... ?