You can see how Dewlong families moved over time by selecting different census years. The Dewlong family name was found in the USA in 1920. In 1920 there was 1 Dewlong family living in New York. This was 100% of all the recorded Dewlong's in USA. New York had the highest population of Dewlong families in 1920.

Use census records and voter lists to see where families with the Dewlong surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.