Twain is a census-designated place (CDP) in Plumas County, California, United States. As of the 2020 census, the CDP population was 75,
According to the United States Census Bureau, the CDP has a total area of , all land.
Climate
Twain experiences warm and dry summers, with no average monthly temperatures above 71.6 °F. According to the Köppen Climate Classification system, Twain has a warm-summer Mediterranean climate, abbreviated "Csb" on climate maps.
Demographics
Twain first appeared as a census designated place in the 2000 U.S. census.
!Pop 2010
!style="background-color: #ffffb3;" |Pop 2020
!% 2000
!% 2010
!style="background-color: #ffffb3;" |% 2020
|-
|White alone (NH)
|83
|65
|style='background: #ffffe6; |62
|95.40%
|79.27%
|style='background: #ffffe6; |82.67%
|-
|Black or African American alone (NH)
|0
|0
|style='background: #ffffe6; |0
|0.00%
|0.00%
|style='background: #ffffe6; |0.00%
|-
|Native American or Alaska Native alone (NH)
|0
|2
|style='background: #ffffe6; |5
|0.00%
|2.44%
|style='background: #ffffe6; |6.67%
|-
|Asian alone (NH)
|0
|0
|style='background: #ffffe6; |1
|0.00%
|0.00%
|style='background: #ffffe6; |1.33%
|-
|Native Hawaiian or Pacific Islander alone (NH)
|0
|0
|style='background: #ffffe6; |0
|0.00%
|0.00%
|style='background: #ffffe6; |0.00%
|-
|Other race alone (NH)
|0
|0
|style='background: #ffffe6; |1
|0.00%
|0.00%
|style='background: #ffffe6; |1.33%
|-
|Mixed race or Multiracial (NH)
|2
|1
|style='background: #ffffe6; |2
|2.30%
|1.22%
|style='background: #ffffe6; |2.67%
|-
|Hispanic or Latino (any race)
|2
|14
|style='background: #ffffe6; |4
|2.30%
|17.07%
|style='background: #ffffe6; |5.33%
|-
|Total
|87
|82
|style='background: #ffffe6; |75
|100.00%
|100.00%
|style='background: #ffffe6; |100.00%
|}
The 2020 United States census reported that Twain had a population of 75. The population density was . The racial makeup of Twain was 64 (85%) White, 0 (0%) African American, 5 (7%) Native American, 1 (1%) Asian, 0 (0%) Pacific Islander, 3 (4%) from other races, and 2 (3%) from two or more races. Hispanic or Latino of any race were 4 persons (5%).
There were 32 households, out of which 5 (16%) had children under the age of 18 living in them, 9 (28%) were married-couple households, 6 (19%) were cohabiting couple households, 6 (19%) had a female householder with no partner present, and 11 (34%) had a male householder with no partner present. 12 households (38%) were one person, and 10 (31%) were one person aged 65 or older. The average household size was 2.34.
The age distribution was 10 people (13%) under the age of 18, 4 people (5%) aged 18 to 24, 8 people (11%) aged 25 to 44, 21 people (28%) aged 45 to 64, and 32 people (43%) who were 65years of age or older. The median age was 62.2years. There were 31 males and 44 females.
Politics
In the state legislature, Twain is in , and .
Federally, Twain is in .
Education
Twain’s school district is Plumas Unified School District.