Diablo, California
| Diablo | |
|---|---|
| Census-designated place | |
 Location in Contra Costa County and the state of California |
|
 Diablo
|
|
| Coordinates: 37°50′06″N 121°57′29″W / 37.83500°N 121.95806°WCoordinates: 37°50′06″N 121°57′29″W / 37.83500°N 121.95806°W | |
| Country |
 United States
|
| State |
 California
|
| County | Contra Costa |
| Government | |
| • State Senate | Steve Glazer (D) |
| • State Assembly | Catharine Baker (R) |
| • U. S. Congress | Mark DeSaulnier (D) |
| Area | |
| • Total | 1.357 sq mi (3.516 km2) |
| • Land | 1.357 sq mi (3.516 km2) |
| • Water | 0 sq mi (0 km2) 0% |
| Elevation | 528 ft (161 m) |
| Population (2010) | |
| • Total | 1,158 |
| • Density | 850/sq mi (330/km2) |
| Time zone | PST (UTC-8) |
| • Summer (DST) | PDT (UTC-7) |
| ZIP code | 94528 |
| Area code(s) | 925 |
| FIPS code | 06-19150 |
| GNIS feature IDs | 1655967, 2408668 |
Diablo is a census-designated place (CDP) in Contra Costa County, California, United States. The population was 1,158 at the 2010 census. It is located 2.5 miles (4.0 km) east-northeast of Danville. "Diablo" is Spanish for devil.
According to the United States Census Bureau, the CDP has a total area of 1.4 square miles (3.6 km2), all of it land.
A post office was established at Diablo in 1916.
The 2010 United States Census reported that Diablo had a population of 1,158. The population density was 853.1 people per square mile (329.4/km²). The racial makeup of Diablo was 1,065 (92.0%) White, 1 (0.1%) African American, 2 (0.2%) Native American, 55 (4.7%) Asian, 0 (0.0%) Pacific Islander, 5 (0.4%) from other races, and 30 (2.6%) from two or more races. Hispanic or Latino of any race were 39 persons (3.4%).
The Census reported that 1,102 people (95.2% of the population) lived in households, 56 (4.8%) lived in non-institutionalized group quarters, and 0 (0%) were institutionalized.
There were 412 households, out of which 135 (32.8%) had children under the age of 18 living in them, 315 (76.5%) were opposite-sex married couples living together, 17 (4.1%) had a female householder with no husband present, 11 (2.7%) had a male householder with no wife present. There were 8 (1.9%) unmarried opposite-sex partnerships, and 1 (0.2%) same-sex married couples or partnerships. 57 households (13.8%) were made up of individuals and 31 (7.5%) had someone living alone who was 65 years of age or older. The average household size was 2.67. There were 343 families (83.3% of all households); the average family size was 2.96.
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