About 6418 - Derby, Connecticut
The ZIP code 6418 of Derby falls within Connecticut, the United States - a mid-sized area by population. It sits within Naugatuck Valley County.
Derby has a reported population of 12,205. That's close to the typical population for a ZIP code in Connecticut (~12,717).
Population density runs around 933 people per sq. mile, making it a rural area.
This ZIP code sits alongside neighboring areas like Stamford, Bristol, Danbury within Connecticut.