Gromcko Family History

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

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