Lower Connecticut River Valley Planning Region, Connecticut

The Lower Connecticut River Valley Planning Region is a planning region and county-equivalent in Connecticut. It is served by the coterminous Lower Connecticut River Valley Council of Governments (RiverCOG). In 2022, planning regions were approved to replace Connecticut's counties as county-equivalents for statistical purposes, with full implementation occurring by 2024.

Demographics
As of the 2020 United States census, there were 174,225 people living in the Lower Connecticut River Valley Planning Region.

Municipalities
The following municipalities are members of the Lower Connecticut River Valley Region:

City

 * Middletown

Towns

 * Chester
 * Clinton
 * Cromwell
 * Deep River
 * Durham
 * East Haddam
 * East Hampton
 * Essex
 * Haddam
 * Killingworth
 * Lyme
 * Middlefield
 * Old Lyme
 * Old Saybrook
 * Portland
 * Westbrook