|Pinal County, Arizona.|
|• Total||17.9 sq mi (46.5 km2)|
|• Land||17.9 sq mi (46.5 km2)|
|• Water||0.0 sq mi (0.0 km2)|
|Elevation||1,381 ft (421 m)|
|• Density||59.2/sq mi (22.9/km2)|
|Time zone||Mountain (MST) (UTC-7)|
|GNIS feature ID||0001657|
Blackwater is located at (33.032359, -111.595938).
According to the United States Census Bureau, the CDP has a total area of 17.9 square miles (46 km2), all of it land.
As of the census of 2010, there were 1,062 people, 316 households, and 245 families residing in the CDP. The population density was 160.9 people per square mile (62.1/km²). There were 332 housing units at an average density of 18.5/sq mi (7.1/km²). The racial makeup of the CDP was 3.8% White, 0.7% Black or African American, 88.2% Native American, 2.6% from other races, and 4.7% from two or more races. 22.1% of the population were Hispanic or Latino of any race.
There were 316 households, out of which 47.5% had children under the age of 18 living with them, 31.3% were married couples living together, 32.3% had a female householder with no husband present, and 22.5% were non-families. 18.0% of all households were made up of individuals and 4.7% had someone living alone who was 65 years of age or older. The average household size was 3.36 and the average family size was 3.67.
In the CDP the population was spread out with 33.0% under the age of 18, 10.2% from 18 to 24, 26.6% from 25 to 44, 23.5% from 45 to 64, and 6.7% who were 65 years of age or older. The median age was 29.6 years. For every 100 females there were 87.6 males. For every 100 females age 18 and over, there were 91.4 males.
As of the 2000 census, the median income for a household in the CDP was $33,438, and the median income for a family was $28,854. Males had a median income of $35,909 versus $31,250 for females. The per capita income for the CDP was $8,674. About 30.1% of families and 26.9% of the population were below the poverty line, including 21.8% of those under age 18 and 63.0% of those age 65 or over.
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.