Diablo, California
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Diablo | |
|---|---|
| Location in Contra Costa County and the state of California Location in Contra Costa County and the state of California | |
| Template:Location map | |
| 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 | Template:Country data California |
| County | Contra Costa |
| Government | |
| • State Senate | Template:Representative[1] |
| • State Assembly | Template:Representative[2] |
| • U. S. Congress | Template:Representative[3] |
| Area | |
| • Total | Template:Infobox settlement/areadisp |
| • Land | Template:Infobox settlement/areadisp |
| • Water | Template:Infobox settlement/areadisp 0% |
| Elevation | Template:Infobox settlement/lengthdisp |
| Population | |
| • Total | 1,255 |
| • Density | Template:Infobox settlement/densdisp |
| Time zone | UTC-8 (PST) |
| • Summer (DST) | UTC-7 (PDT) |
| ZIP code | 94528 |
| Area code(s) | 925 |
| FIPS code | 06-19150 |
| GNIS feature IDs | Template:GNIS 4, Template:GNIS 4 |
Diablo (Spanish for "Devil") is a census-designated place (CDP) in Contra Costa County, California, United States. The population was 1,255 at the 2020 census.[6] It is located 2.5 miles (4.0 km) east-northeast of Danville.[7]
Geography
[edit | edit source]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.
History
[edit | edit source]A post office was established at Diablo in 1916.[7]
Demographics
[edit | edit source]Diablo first appeared as a census designated place in the 2000 U.S. census created out of part of the Alamo CDP.[8]
Racial and ethnic composition
[edit | edit source]| Race / Ethnicity (NH = Non-Hispanic) | Pop 2000[9] | Pop 2010[10] | Pop 2020[11] | % 2000 | % 2010 | % 2020 |
|---|---|---|---|---|---|---|
| White alone (NH) | 909 | 1,035 | 1,001 | 92.00% | 89.38% | 79.76% |
| Black or African American alone (NH) | 6 | 0 | 8 | 0.61% | 0.00% | 0.64% |
| Native American or Alaska Native alone (NH) | 0 | 2 | 5 | 0.00% | 0.17% | 0.40% |
| Asian alone (NH) | 29 | 55 | 100 | 2.94% | 4.75% | 7.97% |
| Native Hawaiian or Pacific Islander alone (NH) | 0 | 0 | 0 | 0.00% | 0.00% | 0.00% |
| Other race alone (NH) | 0 | 0 | 0 | 0.00% | 0.00% | 0.00% |
| Mixed race or Multiracial (NH) | 9 | 27 | 61 | 0.91% | 2.33% | 4.86% |
| Hispanic or Latino (any race) | 35 | 39 | 80 | 3.54% | 3.37% | 6.37% |
| Total | 988 | 1,158 | 1,255 | 100.00% | 100.00% | 100.00% |
2020 census
[edit | edit source]As of the 2020 census, Diablo had a population of 1,255.[12] The population density was 920.1 inhabitants per square mile (355.3/km2).[13]
The age distribution was 21.4% under the age of 18, 6.7% aged 18 to 24, 15.5% aged 25 to 44, 35.9% aged 45 to 64, and 20.6% who were 65 years of age or older. The median age was 49.8 years. For every 100 females, there were 103.7 males, and for every 100 females age 18 and over there were 106.9 males age 18 and over.[14]
The census reported that 95.1% of the population lived in households, 4.9% lived in non-institutionalized group quarters, and no one was institutionalized. 100.0% of residents lived in urban areas, while 0.0% lived in rural areas.[13][15]
There were 424 households, out of which 32.1% included children under the age of 18, 77.1% were married-couple households, 1.9% were cohabiting couple households, 13.2% had a female householder with no spouse or partner present, and 7.8% had a male householder with no spouse or partner present. 13.0% of households were one person, and 7.1% were one person aged 65 or older. The average household size was 2.81. There were 362 families (85.4% of all households).[16][14]
There were 455 housing units at an average density of 333.6 units per square mile (128.8 units/km2), of which 424 (93.2%) were occupied. Of these, 93.9% were owner-occupied, and 6.1% were occupied by renters. 6.8% of housing units were vacant; the homeowner vacancy rate was 0.0% and the rental vacancy rate was 16.1%.[13][14][12]
Education
[edit | edit source]All of Diablo was in the San Ramon Valley Unified School District.[17]
See also
[edit | edit source]References
[edit | edit source]- ↑ "Senators". State of California. Retrieved August 16, 2025.
- ↑ "Members Assembly". State of California. Retrieved August 16, 2025.
- ↑ Template:Cite GovTrack
- ↑ "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved October 30, 2021.
- ↑ Template:Cite GNIS
- ↑ 6.0 6.1 "Diablo CDP, California - Census Bureau Profile". U.S. Census Bureau. Retrieved August 16, 2025.
- ↑ 7.0 7.1 Template:California's Geographic Names
- ↑ Cite error: Invalid
<ref>tag; no text was provided for refs named2000CensusCA - ↑ "P004: Hispanic or Latino, and Not Hispanic or Latino by Race – 2000: DEC Summary File 1 – Diablo CDP, California". United States Census Bureau.
- ↑ "P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2010: DEC Redistricting Data (PL 94-171) – Diablo CDP, California". United States Census Bureau.
- ↑ "P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2020: DEC Redistricting Data (PL 94-171) – Diablo CDP, California". United States Census Bureau.
- ↑ 12.0 12.1 "2020 Decennial Census Redistricting Data (Public Law 94-171)". United States Census Bureau. 2021. Retrieved April 30, 2026.
- ↑ 13.0 13.1 13.2 "Diablo CDP, California; DP1: Profile of General Population and Housing Characteristics - 2020 Census of Population and Housing". US Census Bureau. Retrieved March 27, 2025.
- ↑ 14.0 14.1 14.2 "2020 Decennial Census Demographic Profile (DP1)". United States Census Bureau. 2021. Retrieved April 30, 2026.
- ↑ "2020 Decennial Census Demographic and Housing Characteristics (DHC)". United States Census Bureau. 2023. Retrieved April 30, 2026.
- ↑ "Diablo CDP, California; P16: Household Type - 2020 Census of Population and Housing". US Census Bureau. Retrieved March 27, 2025.
- ↑ 2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Contra Costa County, CA (PDF) (Map). Suitland, Maryland: U.S. Census Bureau. Retrieved January 24, 2025. - Text list
Template:Geographic Location Template:Contra Costa County, California Template:SF Bay Area