| Official Name: | Coplin Plantation, Maine |
| Settlement Type: | Plantation |
| Pushpin Map: | Maine |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location within the state of Maine |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Maine |
| Subdivision Type2: | County |
| Subdivision Name2: | Franklin |
| Unit Pref: | Imperial |
| Area Total Km2: | 86 |
| Area Land Km2: | 86 |
| Area Water Km2: | 0 |
| Area Total Sq Mi: | 33.1 |
| Area Land Sq Mi: | 33.1 |
| Area Water Sq Mi: | 0 |
| Population As Of: | 2020 |
| Population Total: | 131 |
| Population Density Km2: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 419 |
| Elevation Ft: | 1375 |
| Coordinates: | 45.1°N -98°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 04970 |
| Area Code: | 207 |
| Blank Name: | FIPS code |
| Blank Info: | 23-14205 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0582418[1] |
Coplin Plantation is a plantation in Franklin County, Maine, United States. The population was 131 at the 2020 census.[2]
According to the United States Census Bureau, the plantation has a total area of 33.1sqmi, all land.
As of the census[3] of 2000, there were 135 people, 58 households, and 37 families residing in the plantation. The population density was 4.1sp=usNaNsp=us. There were 160 housing units at an average density of 4.8sp=usNaNsp=us. The racial makeup of the plantation was 99.26% White, and 0.74% from two or more races.
There were 58 households, out of which 34.5% had children under the age of 18 living with them, 53.4% were married couples living together, 5.2% had a female householder with no husband present, and 36.2% were non-families. 24.1% of all households were made up of individuals, and 6.9% had someone living alone who was 65 years of age or older. The average household size was 2.33 and the average family size was 2.78.
In the plantation the population was spread out, with 23.7% under the age of 18, 2.2% from 18 to 24, 31.1% from 25 to 44, 28.1% from 45 to 64, and 14.8% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 121.3 males. For every 100 females age 18 and over, there were 123.9 males.
The median income for a household in the plantation was $27,500, and the median income for a family was $29,063. Males had a median income of $36,250 versus $17,321 for females. The per capita income for the plantation was $13,490. There were 15.8% of families and 13.6% of the population living below the poverty line, including 23.9% of under eighteens and 7.4% of those over 64.