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Hartford County is a county located in the north central part of the state of Connecticut. Based on the 2010 census, the
was 894,014, making it the second-most populous county in Connecticut.
Hartford County was created on May 10, 1666 and was
formed as One of four original counties created in Connecticut. The
County Seat was Hartford
(1666-1960). The county was named after
Hartford County is included in the Hartford-West Hartford-East Hartford, CT Metropolitan Statistical Area.
The county is named after the county of Hertfordshire in England.
County QuickFacts: CensusBureau Quick Facts
Hartford County is located in north central Connecticut, bordered on the west by Litchfield County, on the east by Tolland County, and to the south by New Haven and Middlesex Counties. Connecticut's first established county, it is also bordered to the north by the State of Massachusetts. The Connecticut River bisects Hartford County from north to south and has played an important role in the development of the region since colonial times. The total land area covered by Hartford County is 736 square miles.
As established in 1666, Hartford County consisted of the towns of Windsor, Wethersfield, Hartford, Farmington, and Middletown. The
"Thirty Miles Island" referred to in the constituting Act was incorporated as the town of Haddam in 1668. In 1670, the town of Simsbury
was established, extending Hartford County to the Massachusetts border. In the late 17th to early 18th centuries, several more towns were
established and added to Hartford County: Waterbury in 1686 (transferred to New Haven County in 1728), Windham in 1694 (transferred to
Windham County in 1726), Hebron in 1708 (transferred to Tolland County in 1785), Coventry in 1712 (transferred to Windham County in 1726),
and Litchfield in 1722 (transferred to Litchfield County in 1751).
In 1714, all of the unincorporated territory north of the towns of Coventry and Windham in northeastern Connecticut to the Massachusetts border were placed under the jurisdiction of Hartford County. Windham County was constituted in 1726, resulting in Hartford County losing the towns of Windham, Coventry, Mansfield (incorporated in 1702), and Ashford (incorporated in 1714). Northwestern Connecticut, which was originally placed under the jurisdiction of New Haven County in 1722, was transferred to Hartford County by 1738. All of northwestern Connecticut was later constituted as the new Litchfield County in 1751. In 1785, two more counties were established in what was now the US state of Connecticut: Tolland and Middlesex. This mostly resulted in the modern extent of Hartford County. In the late 18th and early 19th centuries, the establishment of several more towns resulted in minor adjustments in the bounds of the county. The final adjustment resulting in the modern limits occurred on May 8, 1806, when the town of Canton was established.
Hartford county is located close to the center of Connecticut. The county is divided into two unequal parts by the Connecticut River. Part of the river valleys are muddy and subject to flooding. Other parts of the Hartford county are hilly.
Bordering counties are as follows: