About 6475 - Old Saybrook, Connecticut

ZIP code 6475 covers the community of Old Saybrook in Connecticut, the United States. This area falls under Lower Connecticut River Valley County.

Census data puts the population of this ZIP code at 10,575 residents. This is roughly in line with the Connecticut average of about 12,717 residents.

Population density runs around 271 people per sq. mile, making it a rural area.

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