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Grid[{{"population", WolframAlphaQuantity[6.4768389*^7, "people", 
    "Appearance" -> "Words", "Precision" -> 3]}, 
  {"population density", WolframAlphaQuantity[307.44282468900116, 
    "people per square mile", "Appearance" -> "Number", "Precision" -> 3]}, 
  {"population growth", WolframAlphaQuantity[0.5372418300836568, 
    "percent per year", "Appearance" -> "Number", "Precision" -> 3]}, 
  {"life expectancy", WolframAlphaQuantity[
    80.9800000000000039790393202565610408783`3.9083777724323903, "years", 
    "Appearance" -> "Number", "Precision" -> 4]}, 
  {"median age", WolframAlphaQuantity[39.4, "years", 
    "Appearance" -> "Number", "Precision" -> 3]}}]