Bluewater is a census-designated place (CDP) in San Bernardino County, California, United States. The population was 116 at the 2020 census, down from 172 at the 2010 census.
Bluewater is located at (34.180214, -114.250531).
According to the United States Census Bureau, the CDP has a total area of . of it is land and of it (22.0%) is water.
This area has a large amount of sunshine year round due to its stable descending air and high pressure. According to the Köppen Climate Classification system, Bluewater has a desert climate, abbreviated "Bwh" on climate maps.
Bluewater was first listed as a census designated place in the 1990 U.S. census.
The 2020 United States census reported that Bluewater had a population of 116. The population density was . The racial makeup of Bluewater was 97 (83.6%) White, 0 (0.0%) African American, 4 (3.4%) Native American, 0 (0.0%) Asian, 0 (0.0%) Pacific Islander, 6 (5.2%) from other races, and 9 (7.8%) from two or more races. Hispanic or Latino of any race were 10 persons (8.6%)
The whole population lived in households. There were 67 households, out of which 9 (13.4%) had children under the age of 18 living in them, 28 (41.8%) were married-couple households, 3 (4.5%) were cohabiting couple households, 18 (26.9%) had a female householder with no partner present, and 18 (26.9%) had a male householder with no partner present. 28 households (41.8%) were one person, and 14 (20.9%) were one person aged 65 or older. The average household size was 1.73. There were 32 families (47.8% of all households).
The age distribution was 8 people (6.9%) under the age of 18, 0 people (0.0%) aged 18 to 24, 12 people (10.3%) aged 25 to 44, 42 people (36.2%) aged 45 to 64, and 54 people (46.6%) who were 65years of age or older. The median age was 62.3years. There were 49 males and 67 females.
There were 424 housing units at an average density of , of which 67 (15.8%) were occupied. Of these, 62 (92.5%) were owner-occupied, and 5 (7.5%) were occupied by renters.
In the California State Legislature, Bluewater is in , and in .
In the United States House of Representatives, Bluewater is in .