Population in Gaithersburg compared to Derry
Gaithersburg: 69.657 (2020)
Derry: 85.279 (2021)
In Gaithersburg the population is about 82% of the population of Derry.
City comparison between Gaithersburg and other cities
more about Gaithersburg (Maryland, USA)
more about Derry (Northern Ireland, United Kingdom)