<i>I suspect this has more to do with fact that walkable areas are much more likely to be located in city centers with higher overall real estate prices than with the desirability of walkable neighborhoods.</i><p>One also has to consider that new families with young children are high on the list of demographics looking for suburban homes, and are likely to have less money, so suburban homes are cheaper by necessity.<p>Cul-de-sacs wouldn&#x27;t be so bad if they had well-maintained pedestrian lanes that cut between them and neighborhood shops instead of big box stores.