The Twain Census Designated Place had a population of 78 as of July 1, 2015. Twain ranks in the lower quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in California. See peer rankings below.
The primary coordinate point for Twain is located at latitude 40.0355 and longitude -121.0404 in Plumas County. The formal boundaries for the Twain Census Designated Place (see map below) encompass a land area of 7.19 sq. miles and a water area of 0 sq. miles. Plumas County is in the Pacific time zone (GMT -8). The elevation is 2,854 feet.
The Twain Census Designated Place (GNIS ID: 2409369) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.
California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Twain Census Designated Place is located within Feather River Canyon CCD of Plumas County.
Beneath the boundary map are tables with Twain population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2015.
Alternate Unofficial Names for Twain: Grays Flat, Halstead Flat, Halsted Flat.
|Population in Households||78|
|Population in Familes||56|
|Population in Group Qrtrs||0|
|Average Household Size||2.0|
|Average Family Size||3|
|Total Housing Units||57 (100%)|
|Owner Occupied HU||26 (45.6%)|
|Renter Occupied HU||13 (22.8%)|
|Vacant Housing Units||18 (31.6%)|
|Median Home Value||$275,000|
|Average Home Value||$322,222|
|Median Household Income||$55,714|
|Average Household Income||$71,945|
|Per Capita Income||$36,591|
|(Compound Annual Growth Rates)|
|Median Household Income||2.01%|
|Per Capita Income||2.38%|
The table below compares Twain to the other 1,523 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2015 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
|Total Population||# 1448||5th|
|Population Density1||# 1493||2nd|
|Diversity Index2||# 1399||8th|
|Median Household Income||# 702||54th|
|Per Capita Income||# 352||77th|
Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.