Historical United States Census totals for New London County, Connecticut

Like most areas of New England, New London County is (and has been at all times since well before the 20th century) entirely divided into incorporated municipalities. There is no unincorporated territory.

There are three types of municipalities in Connecticut: towns, boroughs and cities. As in the other New England states, towns are the basic unit of municipal government.

Boroughs overlay towns and assume responsibility for some municipal services within their boundaries. Boroughs are not found in any of the other New England states, and are not very common in Connecticut today, although they were somewhat more numerous in the past. A number of boroughs have disincorporated over the years, choosing to revert to full town control.

Cities also overlay towns. This is different from the other New England states, where cities are a different type of municipality equivalent to a town (this difference is related to cities having originally developed in Connecticut from the borough model). Most current cities are coextensive with their parent town, however, such that the entire municipality functions as a city. In practice, these cities are really no different from cities in the other New England states.

It is also possible for a city in Connecticut to overlay part, but not all, of a town. There are currently only one or two examples, but it was a more common arrangement in the past. Many of today’s coextensive cities were non-coextensive at one time. As with boroughs, a number of non-coextensive cities have also disincorporated over the years, choosing to revert to full town control.

The main tables below show municipalities at the town level. For any census, adding up the totals for each town should yield the county total. In cases where a community encompassed a coextensive city, the tables in the New England Historical U.S. Census Totals series mark the community as a city. In cases where a town included a non-coextensive city, the total shown below represents the entire town, including but not limited to the city. A separate section follows with population totals for boroughs and non-coextensive cities.

For more information on the New England municipal system, see New England town.

Corporate changes since 1900

1900

County Total: 82,758

(*) not a city in its entirety, but includes a non-coextensive city that encompasses a significant percentage of the town's overall population.

1910

County Total: 91,253

(*) not a city in its entirety, but includes a non-coextensive city that encompasses a significant percentage of the town's overall population.

1920

County Total: 104,611

(*) not a city in its entirety, but includes a non-coextensive city that encompasses a significant percentage of the town's overall population.

1930

County Total: 118,966

(*) not a city in its entirety, but includes a non-coextensive city that encompasses a significant percentage of the town's overall population.

1940

County Total: 125,224

(*) not a city in its entirety, but includes a non-coextensive city that encompasses a significant percentage of the town's overall population.

1950

County Total: 144,821

(*) not a city in its entirety, but includes a non-coextensive city that encompasses a significant percentage of the town's overall population.

1960

County Total: 185,745

1970

County Total: 230,654

1980

County Total: 238,409

1990

County Total: 254,957

2000

County Total: 259,106

Boroughs and Non-coextensive Cities

As of 1900, New London County contained three boroughs and one non-coextensive city:

In addition to the above, there was a second city, New London, which had already been made coextensive with its parent town. A fourth borough, Groton (within the town of the same name), was incorporated in 1903. The following changes have occurred since then:

1900

1910

1920

1930

1940

1950

1960

1970

1980

1990

2000

Notes

1950 Census

The 1960 Census reports contain the following note: “Entire 1950 population (3,082) of Norwich State Hospital, partly in Norwich town and party in Preston town, was included in figure for Norwich town. 1960 population of the hospital returned in accordance with location of units.” This seems to indicate that there is an assignment error in the 1950 figures involving Norwich and Preston, such that Norwich’s actual 1950 population was probably a few thousand below the officially reported figure, and Preston’s actual 1950 population was probably larger than the officially reported figure (probably similar to the 1940 or 1960 figures). The error was apparently never corrected, however, so there is no way to know the accurate, actual 1950 population of each town.

1970 Census

The Census Bureau made a number of revisions to 1970 census totals subsequent to their initial release. The 1970 total for New London County was originally reported as 230,348; for the city of Norwich, 41,433; for the town of Groton, 38,523; and for the town of Ledyard, 14,558. The totals were later revised to those shown in the list above.

1990 Census

The Census Bureau made a number of revisions to 1990 census totals subsequent to their initial release. Though it did not appear in the original 1990 Census reports, a revision added a census total for a new borough of Groton Long Point (within the town of Groton), with a population of 628. Census materials state that the borough of Groton Long Point was incorporated in 1990. Groton Long Point—or, more precisely, an entity called the "Groton Long Point Association"—has actually existed since 1921, and is the center of dispute over whether the legislative act creating it made it a borough in function if not in name (i.e., a general-purpose municipality) or a special-purpose district. The Groton Long Point Association considers itself to be a special-purpose district, but the town of Groton considers it to be a borough. The Census' decision to classify it as a borough apparently reflects acceptance of the view that it is a general-purpose municipality. Since Groton Long Point does not call itself a borough, however, its population totals are not included in the tables above.

2000 Census

The Census Bureau made a number of revisions to 2000 census totals subsequent to their initial release. The 2000 total for New London County was originally reported as 259,088; for the town of Groton, 39,907; for the city of New London, 25,671; and for the town of Waterford, 19,152. In addition, the total for the city of Groton was originally reported as 10,010. The totals were later revised to those shown in the lists above. In the cases of New London and Waterford, this was apparently done to correct an assignment error between these municipalities; the collective population of the two is the same using either set of figures.

The 2000 Census reports once again listed a purported borough of Groton Long Point (within the town of Groton), with a population of 667. Because Groton Long Point's status is disputed, it is not included in the tables above. See the notes for the 1990 Census for more information.

See also

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