Jeffco Family History

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

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