Southeastern Connecticut Planning Region, Connecticut

Southeastern Connecticut Planning Region profile, demographic data, and geographic information.

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF

Government Unit	Unit Type	Jurisdiction Role	Contact / Address
CITY OF NORWICH GUS Population: 39,993 (2024) ID: 183889	Municipal	Municipal Government Within County	Contact: DEPUTY COMPTROLLER 100 BROADWAY, RM 105, NORWICH CT 06360-4473
TOWN OF GROTON GUS Population: 38,762 (2024) ID: 161502	Township	Municipal Government Within County	Contact: MARK OEFINGER, TOWN MANAGER 45 FORT HILL RD, GROTON CT 06340-4360
CITY OF NEW LONDON GUS Population: 28,081 (2024) ID: 183888	Municipal	Municipal Government Within County	Contact: MAYOR 181 STATE ST, NEW LONDON CT 06320-6346
TOWN OF WINDHAM GUS Population: 24,105 (2024) ID: 161519	Township	Municipal Government Within County	Contact: FINANCE DEPARTMENT 979 MAIN ST., WILLIMANTIC CT 06226-2200
TOWN OF WATERFORD GUS Population: 19,910 (2024) ID: 183953	Township	Municipal Government Within County	Contact: FINANCE DEPARTMENT 15 ROPE FERRY RD, WATERFORD CT 06385-2886
TOWN OF EAST LYME GUS Population: 19,004 (2024) ID: 161500	Township	Municipal Government Within County	Contact: ADMIN ASSISTANT PO BOX 519, NIANTIC CT 06357-0519
TOWN OF STONINGTON GUS Population: 18,782 (2024) ID: 161507	Township	Municipal Government Within County	Contact: DIRECTOR OF PLANNING TOWN 152 ELM ST, STONINGTON CT 06378-1160
TOWN OF MONTVILLE GUS Population: 17,913 (2024) ID: 124060	Township	Municipal Government Within County	Contact: FINANCE DIRECTOR 310 NORWICH NEW LONDON TPKE, UNCASVILLE CT 06382-2599
TOWN OF COLCHESTER GUS Population: 15,752 (2024) ID: 211228	Township	Municipal Government Within County	Contact: CFO 127 NORWICH AVE, COLCHESTER CT 06415-1230
TOWN OF LEDYARD GUS Population: 15,575 (2024) ID: 161503	Township	Municipal Government Within County	Contact: MAYOR 741 COLONEL LEDYARD HWY, LEDYARD CT 06339-1511
TOWN OF GRISWOLD GUS Population: 11,683 (2024) ID: 184676	Township	Municipal Government Within County	Contact: FIRST SELECTMAN 28 MAIN ST, GRISWOLD CT 06351-2204
CITY OF GROTON GUS Population: 10,160 (2024) ID: 161451	Municipal	Municipal Government Within County	Contact: MAYOR 295 MERIDIAN ST, GROTON CT 06340-4040
TOWN OF LEBANON GUS Population: 7,141 (2024) ID: 204165	Township	Municipal Government Within County	Contact: FIRST SELECTMAN 579 EXETER RD, LEBANON CT 06249-1506
TOWN OF NORTH STONINGTON GUS Population: 5,197 (2024) ID: 161504	Township	Municipal Government Within County	Contact: TOWN TREASURER 40 MAIN ST, NORTH STONINGTON CT 06359-1647
TOWN OF PRESTON GUS Population: 4,855 (2024) ID: 161506	Township	Municipal Government Within County	Contact: SELECTMENS OFFICE 389 ROUTE 2, PRESTON CT 06365-8533
TOWN OF POMFRET GUS Population: 4,355 (2024) ID: 207643	Township	Municipal Government Within County	Contact: SELECTMENS ADMIN 5 HAVEN RD, POMFRET CENTER CT 06259-1741
TOWN OF SALEM GUS Population: 4,326 (2024) ID: 183949	Township	Municipal Government Within County	Contact: FIRST SELECTMAN 270 HARTFORD RD, SALEM CT 06420-3809
TOWN OF LISBON GUS Population: 4,249 (2024) ID: 207642	Township	Municipal Government Within County	Contact: FIRST SELECTMAN 1 NEWENT RD, LISBON CT 06351-2938
BOROUGH OF JEWETT CITY GUS Population: 3,464 (2024) ID: 124043	Municipal	Municipal Government Within County	Contact: EXECUTIVE SECRETARY PO BOX 486, JEWETT CITY CT 06351-0486
TOWN OF SPRAGUE GUS Population: 2,948 (2024) ID: 101741	Township	Municipal Government Within County	Contact: FIRST SELECTMAN PO BOX 162, BALTIC CT 06330-0162
TOWN OF BOZRAH GUS Population: 2,426 (2024) ID: 161499	Township	Municipal Government Within County	Contact: FIRST SELECTMAN 1 RIVER RD, BOZRAH CT 06334-1118
TOWN OF FRANKLIN GUS Population: 1,900 (2024) ID: 161501	Township	Municipal Government Within County	Contact: FIRST SELECTMAN 7 MEETING HOUSE HILL RD, NORTH FRANKLIN CT 06254-1330
BOROUGH OF STONINGTON GUS Population: 1,012 (2024) ID: 161452	Municipal	Municipal Government Within County	Contact: ADMINISTRATIVE ASSISTANT PO BOX 328, STONINGTON CT 06378-0328
BOROUGH OF GROTON LONG POINT ASSOCIATION GUS Population: 520 (2024) ID: 193132	Municipal	Municipal Government Within County	Contact: PRESIDENT PO BOX 3737, GROTON CT 06340-8208