Historical United States Census totals for Knox County, Maine

This article shows U.S. Census totals for Knox County, Maine, broken down by municipality, from 1900 to 2000.

There are two types of incorporated municipalities in Maine, towns and cities. The tables below differentiate between towns and cities.

Most areas of New England are entirely divided into incorporated municipalities, with no unincorporated territory. In the three northern New England states, however, some unincorporated territory does exist, generally in areas that are very sparsely populated. Maine contains significantly more unincorporated territory than the other states, with the bulk of it in interior and northern counties. Some southern and coastal counties, including Knox County, also contain smaller amounts of unincorporated territory, however.

Some unincorporated territory in Maine is organized into a third type of town-level municipality unique to Maine, called a plantation (considered to be “organized”, but not incorporated), while some is entirely unorganized. Knox County currently contains one plantation (Matinicus Isle), as well as a small amount of territory that is entirely unorganized (the former Criehaven Plantation). All of Knox County’s unincorporated area is on offshore islands. Separate sections with census totals for unincorporated areas follow the main tables below. For any census, adding up the totals for each town-level municipality, including any plantations or unorganized entities, should yield the county total. Except for Matinicus and Criehaven, all of Knox County is incorporated; except for Criehaven, all of the county is at least organized. (For a period in the late 19th and early 20th centuries, Knox County was entirely organized, but it has never been entirely incorporated.)

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

Corporate changes since 1900

1900

County Total: 30,406

Unincorporated territory reported 303 residents, all in organized plantations.

1910

County Total: 28,981

Unincorporated territory reported 292 residents, all in organized plantations.

1920

County Total: 26,245

Unincorporated territory reported 214 residents. This consisted of 203 residents in organized plantations, and 47 residents in unorganized territory.

1930

County Total: 27,693

Unincorporated territory reported 244 residents. This consisted of 156 residents in an organized plantation, and 88 residents in unorganized territory.

1940

County Total: 27,191

Unincorporated territory reported 225 residents. This consisted of 112 residents in an organized plantation, and 113 residents in unorganized territory.

1950

County Total: 28,121

Unincorporated territory reported 206 residents. This consisted of 188 residents in an organized plantation, and 18 residents in unorganized territory.

1960

County Total: 28,575

Unincorporated territory reported 114 residents. This consisted of 100 residents in an organized plantation, and 14 residents in unorganized territory.

1970

County Total: 29,013

Unincorporated territory reported 90 residents, all in Matinicus Isle Plantation; unorganized territory reported no population.

1980

County Total: 32,941

Unincorporated territory reported 71 residents. This consisted of 66 residents in an organized plantation, and 5 residents in unorganized territory.

1990

County Total: 36,310

Unincorporated territory reported 67 residents, all in Matinicus Isle Plantation; unorganized territory reported no population.

2000

County Total: 39,618

Unincorporated territory reported 51 residents, all in Matinicus Isle Plantation; unorganized territory reported no population.

Plantations

As of 1900, Knox County contained three plantations: Criehaven, Matinicus Isle and Muscle Ridge. All were located on offshore islands (the mainland of the county was then, and is now, entirely divided into incorporated towns).

Matinicus Isle is the only plantation that remains today. Muscle Ridge and Criehaven surrendered their organization in 1916 and 1925, respectively. When they did so, both reverted to unorganized territory, but Muscle Ridge's former territory was later annexed to a nearby town. Criehaven's former territory remains unorganized.

1900

1910

1920

1930

1940

1950

1960

1970

1980

1990

2000

Unorganized Territory

As of 1900, Knox County was entirely organized. The dissolutions of the town of Hurricane Isle (1915), Muscle Ridge Plantation (1916) and Criehaven Plantation (1925) all created unorganized territory, however, as each reverted to that state. The former territories of Hurricane Isle and Muscle Ridge were later annexed to nearby towns, leaving only Criehaven as unorganized territory today (see the Notes section for more information).

The former Criehaven Plantation consists of a small group of islands, covering less than one square mile of land, adjacent to (and once part of, before organizing separately) Matinicus Isle Plantation. This area is sometimes referred to as “Criehaven Township”. Its population has not exceeded 20 in any census since 1940, and in recent censuses it has reported few if any year-round residents.

1900 through 1920

There was no unorganized territory in Knox County at the time of these censuses.

1920

Unorganized territory reported 47 residents. The unorganized territory consisted of the former Muscle Ridge plantation (pop. 36) and the former town of Hurricane Isle (pop. 11).

1930

Unorganized territory reported 88 residents. No breakdown was provided, but it would seem to have included some combination of territory that had been part of the former town of Hurricane Isle and/or the former Criehaven and Muscle Ridge plantations.

1940

Unorganized territory reported 113 residents. No breakdown was provided, but it would seem to have included some combination of territory that had been part of the former town Criehaven and/or Muscle Ridge plantation.

1950

Unorganized territory reported 18 residents. No breakdown was provided, but it would seem to have included the former Criehaven plantation.

1960

Unorganized territory reported 14 residents, all in the former Criehaven Plantation, which was the only unorganized territory in the county.

1970

Unorganized territory reported no residents. The only unorganized territory in the county was the former Criehaven Plantation.

1980

Unorganized territory reported 5 residents, all in the former Criehaven Plantation, which was the only unorganized territory in the county.

1990

Unorganized territory reported no residents. The only unorganized territory in the county was the former Criehaven Plantation.

2000

Unorganized territory reported no residents. The only unorganized territory in the county was the former Criehaven Plantation.

Notes

Unorganized territory in 1930 through 1950 Censuses

During the 1910s and 1920s, three municipalities in Knox County, all located on offshore islands, dissolved: the town of Hurricane Island, Muscle Ridge Plantation, and Criehaven Plantation. While Criehaven apparently reverted to unorganized territory and has continued to hold that status down to the present time, sources contain conflicting information as to the disposition of Hurricane Isle and Muscle Ridge after their dissolution. It is apparent that the former territory of Hurricane Isle and Muscle Ridge was eventually annexed to other municipalities (unlike Criehaven, they no longer exist today as distinct entities in any form), but at least some of their territory may have continued for a time after their dissolution as unorganized territory.

The 1920 Census provided distinct listings for Hurricane Isle and Muscle Ridge as unorganized townships (as well as a listing for Criehaven, which was still an organized plantation at the time). The 1930 through 1950 Censuses handle unorganized territory via a single listing for “Islands not belonging to any town”, however, with no indication of exactly what this is. The population figures for 1930 and 1940 are significantly higher than any figure for Criehaven before or since, which suggests that, at least for those two censuses, the area covered may be larger than Criehaven.

For the 1960 Census, the Census Bureau abandoned any attempt to provide breakdowns for unorganized territory within Maine counties, simply providing a single listing for “Unorganized Territory”. Starting in 1970, the Census Bureau began using defined “unorganized territories”. In each census since then, the unorganized territory in Knox County has been shown as “Criehaven”. A footnote in the 1970 Census reports also indicates that the territory shown as “Criehaven” in that census is the same as the territory shown as “Unorganized Territory” in the 1960 Census. From this, it seems that Criehaven has been the only remaining unorganized territory in Knox County at least as far back as the 1960 Census. Given the similarity between the 1950 population for “Islands not belonging to any town” and the 1960 population figure for “Unorganized Territory”, this may be true back to 1950 as well, but this is not known with any certainty.

See also

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