About 6371 - Old Lyme, Connecticut

ZIP code 6371 covers the community of Old Lyme in Connecticut, the United States. This area falls under Lower Connecticut River Valley County.

Census data puts the population of this ZIP code at 9,828 residents. This is roughly in line with the Connecticut average of about 12,717 residents.

Population density runs around 70 people per sq. mile, making it a rural area.

This ZIP code sits alongside neighboring areas like Stamford, Bristol, Danbury within Connecticut.