Description: Detailed large map of Connecticut State showing cities, towns, county formations, roads highway, boundaries, US highways to other neighbouring states and State routes.
Map of Connecticut - Connecticut map with cities, counties and roads network. This detailed map is a county-first look at Connecticut's geography, showing the full grid of the state's eight counties, their traditional county seats, major cities and towns, bordering states, and just a few clean highway references to help you get oriented. It is the best map to scan where each community sits from the Long Island Sound shore to the Massachusetts line, from New York on the west to Rhode Island on the east.
Connecticut comprises 8 counties:
Fairfield, Hartford, Litchfield, Middlesex, New Haven, New London, Tolland, Windham.
Traditional county seats (Connecticut no longer has county governments) appear in or near the largest marked cities:
Fairfield – historically Bridgeport and Norwalk served as co-seats.
Hartford – Hartford.
Litchfield – Litchfield (with Torrington as the largest inland city).
Middlesex – Middletown.
New Haven – New Haven.
New London – New London and Norwich (dual).
Tolland – Tolland town; Rockville is the urban hub.
Windham – Brooklyn historically; Willimantic is the largest community.
Bordering states and waters: Massachusetts lies along the entire north boundary; Rhode Island borders the east; New York borders the west and southwest; Long Island Sound defines the southern coast.
Road-light orientation: For placement only, trace I-95 along the coast through Greenwich, Stamford, Norwalk, Bridgeport, New Haven, New London and into Rhode Island; I-84 angles Danbury–Waterbury–Hartford to Massachusetts; I-91 runs New Haven–Meriden–Hartford–Windsor to Springfield; I-395 rises from New London through Norwich toward Massachusetts. These references simply help you follow the counties on the map.
Fairfield County fills the southwest corner of the map, hugging New York and the Sound. It is Connecticut’s most urban county, with a seamless string of coastal and inland cities.
Bridgeport (largest city; co-seat historically), Stamford, Norwalk, Danbury, Greenwich, Fairfield, Westport, Stratford, Milford sits just over the line in New Haven County but links the shoreline belt, Trumbull, Shelton, Ridgefield, Wilton, New Canaan, Darien, Monroe, Bethel, Brookfield, Newtown.
Fairfield’s shoreline from Greenwich to Stratford fronts Long Island Sound. Inland, Danbury and the Housatonic highlands are your landmarks toward New York. For orientation, Route 15 (Merritt Parkway) parallels I-95 inland through the lower county, and US-7 traces Norwalk–Danbury up the valley, placing Ridgefield and Brookfield on the map’s west-central grid.
Northwest Connecticut turns mountainous in Litchfield County, which spans the Berkshire foothills and forms most of the state’s rugged border with New York and Massachusetts.
Litchfield (traditional seat), Torrington (largest city), New Milford, Winsted (Winchester), Canaan/Falls Village, Kent, Sharon, Goshen, Harwinton, Bantam, Morris.
The county stretches from New Milford on the Housatonic north to Canaan, meeting Massachusetts above Salisbury. Eastward it touches Hartford County near Barkhamsted and New Hartford. The US-202 corridor helps you track a gentle arc through New Milford–Litchfield–Torrington; otherwise the county’s towns are arranged in a broad, green upland.
Centered on New Haven, this county blends coastal towns and a populous interior that includes Waterbury, Cheshire, and Meriden.
New Haven (seat), Waterbury, Meriden, West Haven, East Haven, Branford, Guilford, Madison, Wallingford, Cheshire, Naugatuck, Hamden, North Haven, Seymour, Ansonia, Derby, Milford (coastal hinge with Fairfield County), Oxford, Beacon Falls.
Follow I-95 along the shore to spot Branford, Guilford, and Madison stepping east toward Middlesex and New London counties. Inland, I-84 marks the Waterbury axis, while I-91 passes between New Haven and Meriden toward Hartford, laying out the central valley where Wallingford and North Haven sit.
Hartford County occupies the central-north, straddling the Connecticut River and forming the state’s urban spine with the capital city Hartford.
Hartford (seat and state capital), West Hartford, East Hartford, New Britain, Bristol, Manchester, Wethersfield, Rocky Hill, Newington, Windsor, Bloomfield, Enfield, Simsbury, Farmington, Avon, Vernon lies in Tolland County but appears in the metro swath, Southington on the south-central edge.
The map shows Hartford near the river bend. I-84 crosses east-west through West Hartford and Manchester; I-91 follows the river through Windsor to Massachusetts. These gentle lines help you place New Britain to the southwest and Bristol a little farther west, sliding toward Litchfield County. North of Hartford, Windsor Locks and Enfield sit on the Massachusetts border opposite Springfield.
Middlesex occupies the central shoreline to river valley, with Middletown as the traditional county seat and mid-state landmark.
Middletown (seat), Cromwell, Portland, East Hampton, Haddam, Killingworth, Clinton, Westbrook, Old Saybrook, Chester, Deep River, Essex.
The county bridges coast and interior where the Connecticut River meets Long Island Sound at Old Saybrook. Route 9 is the clean north-south reference between Middletown and the lower river towns; the coast road pairs Clinton–Westbrook–Old Saybrook along the Sound on the map’s central bottom edge.
Eastern shoreline and river country fill New London County, historically co-seated by New London and Norwich.
New London, Norwich, Groton, Ledyard, Waterford, East Lyme, Old Lyme (shares river mouth with Middlesex), Montville, Colchester, Sprague, Preston, Stonington and Mystic area on the Rhode Island line.
The county runs from Old Lyme and East Lyme to Stonington on the Rhode Island border. I-95 connects the shoreline cities; I-395 rises from New London past Norwich toward Plainfield, helping you place inland towns like Montville and Lisbon. The Thames River creates the New London–Groton divide at the coast.
A rolling interior county northeast of Hartford, Tolland features small towns and university-adjacent communities.
Tolland (traditional seat), Vernon–Rockville (urban hub), Coventry, Ellington, Stafford, Somers, Bolton, Hebron, Mansfield (with the Storrs area near UConn), Willington.
Tolland sits between Hartford County to the west and Windham County to the east, under the Massachusetts line. I-84 arcs through Vernon, Tolland, and Willington toward Massachusetts; that bend helps place Stafford near the northeast corner and Somers on the state line.
The Quiet Corner of Connecticut fills the northeast as Windham County, historically seated at Brooklyn, with Willimantic the largest center.
Willimantic (in the Town of Windham), Brooklyn (seat), Putnam, Killingly (Danielson), Plainfield, Woodstock, Pomfret, Canterbury, Sterling, Hampton, Chaplin, Ashford, Scotland, Eastford, Thompson.
Windham borders Rhode Island on the east and Massachusetts on the north. The US-6 corridor guides you across Willimantic to Killingly and the Rhode Island line. North–south, I-395 clips the county’s eastern edge, tying Plainfield, Killingly, and Putnam, which helps triangulate town positions without turning the description into a road log.
From west to east the coast reads Greenwich, Stamford, Norwalk, Westport, Fairfield, Bridgeport, Stratford, Milford, New Haven, East Haven, Branford, Guilford, Madison, Clinton, Westbrook, Old Saybrook, Old Lyme, East Lyme, Waterford, New London, Groton, Stonington. This line is the state’s marine front and your southern map anchor.
The river threads Hartford, Wethersfield, Rocky Hill, Cromwell, Middletown, Haddam, Chester, Deep River, Essex, Old Saybrook. It divides Hartford and Middlesex counties, then forms the New London–Middlesex boundary at the Sound.
Litchfield County carries the uplands from New Milford and Kent to Salisbury and the Massachusetts line, while the Tolland ridge east of Hartford marks the inland plateau toward Windham and Rhode Island.
Residents can place their town inside a clear county frame, understand adjacent communities, and see where the nearest metro hub lies.
Travelers can visually track coastal towns, river crossings, and where cities cluster without getting lost in turn-by-turns.
Geography students learn the eight-county structure, traditional seats, and the relationships among regions like the Lower Connecticut River Valley, the New Haven–Waterbury interior belt, the Fairfield Gold Coast, and the Quiet Corner.
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