Connecticut: Time Zones, Counties, Cities & Map

Metro and micro areas in Connecticut, largest first

5 metro areas and 2 micro areas have counties in Connecticut. Populations are July 2025 estimates.

1. Hartford-West Hartford-East Hartford, CT Metro Area1,171,426 people
2. Bridgeport-Stamford-Danbury, CT Metro Area978,179 people
3. New Haven, CT Metro Area578,741 people
4. Waterbury-Shelton, CT Metro Area463,349 people
5. Norwich-New London-Willimantic, CT Metro Area284,015 people
6. Torrington, CT Micro Area114,690 people
7. Putnam, CT Micro Area98,096 people

Every metro and micro area in the US

Largest towns in Connecticut

1. Town of Bridgeport, Greater Bridgeport Planning Region149,153 people
2. Town of Stamford, Western Connecticut Planning Region137,144 people
3. Town of New Haven, South Central Connecticut Planning Region134,349 people
4. Town of Hartford, Capitol Planning Region121,127 people
5. Town of Waterbury, Naugatuck Valley Planning Region114,869 people
6. Town of Norwalk, Western Connecticut Planning Region92,187 people
7. Town of Danbury, Western Connecticut Planning Region87,263 people
8. Town of New Britain, Capitol Planning Region74,223 people
9. Town of Greenwich, Western Connecticut Planning Region63,856 people
10. Town of West Hartford, Capitol Planning Region63,620 people
11. Town of Fairfield, Greater Bridgeport Planning Region63,416 people
12. Town of Bristol, Naugatuck Valley Planning Region61,462 people

All 169 towns in Connecticut, by county

Tribal areas in Connecticut, largest first

1. Mohegan Reservation239 people
2. Mashantucket Pequot Reservation and Off-Reservation Trust Land86 people
3. Paucatuck Eastern Pequot (state) Reservation28 people
4. Golden Hill Paugussett (state) Reservation0 people
5. Schaghticoke (state) Reservation0 people

American Indian, Alaska Native and Native Hawaiian areas as the Census Bureau maps them, with at least 2% of their area here, water included. These lines don’t decide membership, jurisdiction or land status.

Counties and equivalents, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

1. Capitol Planning Region, Connecticut994,115 people
2. Western Connecticut Planning Region, Connecticut640,482 people
3. South Central Connecticut Planning Region, Connecticut578,741 people
4. Naugatuck Valley Planning Region, Connecticut463,349 people
5. Greater Bridgeport Planning Region, Connecticut337,697 people
6. Southeastern Connecticut Planning Region, Connecticut284,015 people
7. Lower Connecticut River Valley Planning Region, Connecticut177,311 people
8. Northwest Hills Planning Region, Connecticut114,690 people
9. Northeastern Connecticut Planning Region, Connecticut98,096 people

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

1. Bridgeport, Connecticut (city)149,153 people
2. Stamford, Connecticut (city)137,144 people
3. New Haven, Connecticut (city)134,349 people
4. Hartford, Connecticut (city)121,127 people
5. Waterbury, Connecticut (city)114,869 people
6. Norwalk, Connecticut (city)92,187 people
7. Danbury, Connecticut (city)87,263 people
8. New Britain, Connecticut (city)74,223 people
9. West Hartford, Connecticut (CDP)63,620 people
10. Bristol, Connecticut (city)61,462 people
11. Meriden, Connecticut (city)60,545 people
12. West Haven, Connecticut (city)55,351 people

See all 215 cities, towns and communities in Connecticut, largest first

ZIP Code areas, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

1. ZIP 0690273,392 people
2. ZIP 0601061,684 people
3. ZIP 0681055,833 people
4. ZIP 0651655,351 people
5. ZIP 0651154,730 people
6. ZIP 0660649,308 people
7. ZIP 0645746,720 people
8. ZIP 0649244,498 people
9. ZIP 0648441,889 people
10. ZIP 0608241,090 people
11. ZIP 0651338,888 people
12. ZIP 0646037,649 people

See all 288 ZIP Code areas in Connecticut, largest first

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