County Seat:	New Haven
Address:	New Haven, Connecticut
Established:	1666
Land Area:	606 square miles
FIPS Code:	09009
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New Haven County, Connecticut Communities:

Ansonia - City

Beacon Falls - Town

Bethany - Town

Branford - Town

Branford Center - CDP

Cheshire - Town

Cheshire Village - CDP

Derby - Town

East Haven - CDP

East Haven - Town

Guilford - Town

Guilford Center - CDP

Hamden - Town

Madison - Town

Madison Center - CDP

Meriden - City

Middlebury - Town

Milford - City

Naugatuck - Borough

New Haven - City

North Branford - Town

North Haven - CDP

North Haven - Town

Orange - Town

Orange - CDP

Oxford - Town

Prospect - Town

Seymour - Town

Southbury - Town

Wallingford - Town

Wallingford Center - CDP

Waterbury - City

West Haven - City

Wolcott - Town

Woodbridge - Town

Woodmont - Borough

Total Communities in New Haven County, Connecticut: 37

Population:

851,948

2020

860,506

858,159

857,845

856,895

853,818

2015 *

2016 *

2017 *

2018 *

2019 *

862,477

863,974

864,732

863,035

863,149

2010

2011 *

2012 *

2013 *

2014 *

* (U.S. Census Estimate)

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