Diablo, California facts for kids
Quick facts for kids
Diablo
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Location in Contra Costa County and the state of California
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 Diablo, California
Location in the United States
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| Country |  United States |
| State |  California |
| County | Contra Costa |
| Area | |
| • Total | 1.36 sq mi (3.53 km2) |
| • Land | 1.36 sq mi (3.53 km2) |
| • Water | 0.00 sq mi (0.00 km2) 0% |
| Elevation | 528 ft (161 m) |
| Population
(2020)
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| • Total | 1,255 |
| • Density | 920.09/sq mi (355.33/km2) |
| Time zone | UTC-8 (PST) |
| • Summer (DST) | UTC-7 (PDT) |
| ZIP code |
94528
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| Area code(s) | 925 |
| FIPS code | 06-19150 |
| GNIS feature IDs | 1655967, 2408668 |
Diablo is a small community in Contra Costa County, California, United States. Its name comes from the Spanish word for "Devil." This area is known as a census-designated place (CDP). This means it's a community that looks like a town but isn't officially governed by its own local city government. Diablo is located about 2.5 miles (4 km) east-northeast of Danville. In 2020, about 1,255 people lived here.
Contents
Where is Diablo Located?
Diablo is a small place. According to the United States Census Bureau, the community covers about 1.4 square miles (3.5 square kilometers). All of this area is land, with no large bodies of water.
A Look Back: Diablo's History
Diablo has a simple history. A post office was first opened in Diablo in 1916. This means it became an official place where mail could be sent and received.
Who Lives in Diablo?
| Historical population | |||
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| Census | Pop. | %± | |
| 2020 | 1,255 | — | |
| U.S. Decennial Census | |||
Let's look at the people who live in Diablo.
Population in 2010
In 2010, Diablo had a population of 1,158 people. Most of the people living there were White (about 92%). A smaller number were Asian (about 4.7%). About 3.4% of the population identified as Hispanic or Latino.
Most people (95.2%) lived in regular homes. About 23.7% of the population was under 18 years old. About 21.9% of the people were 65 years or older. The average age in Diablo was about 49.3 years.
There were 412 households in 2010. Most of these homes (92.2%) were owned by the people living in them. Only a small number (7.8%) were rented.
Population in 2000
In 2000, Diablo had 988 people living there. The racial makeup was similar to 2010, with most people being White (94.64%). About 2.94% were Asian.
In 2000, Forbes magazine said that Diablo's ZIP code was one of the most expensive in the United States. This means that homes in Diablo were very costly.
The average household in 2000 had about 2.90 people. About 26.8% of the population was under 18 years old. About 13.7% were 65 or older. The average age was 46 years.
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Danville, Alamo | Mount Diablo State Park | Mount Diablo State Park | |
| Danville |  |
Blackhawk | ||
 Diablo  |
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| Danville | Danville | Blackhawk, San Ramon |
Want to Learn More?
You can find more information about Diablo (California) in Spanish here: Diablo (California) para niños
