Diablo is a CDP located in Contra Costa County California. Diablo has a 2024 population of 708. Diablo is currently declining at a rate of -4.32% annually and its population has decreased by -15.11% since the most recent census, which recorded a population of 834 in 2020.
The average household income in Diablo is $291,082 with a poverty rate of 9.89%. The median age in Diablo is 37.7 years: 37.9 years for males, and 37.5 years for females.
According to the most recent ACS, the racial composition of Diablo was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 928 | 86.57% |
| Other race | 78 | 7.28% |
| Two or more races | 49 | 4.57% |
| Asian | 17 | 1.59% |
| Black or African American | 0 | 0% |
| Native American | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
White
Other race
Two or more races
Asian
Black or African American
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 385 | 2.78 | 100 | 0 |
| Married | 313 | 2.96 | 100 | 0 |
| Non Family | 39 | 0 | 100 | 0 |
| Female | 33 | 3.21 | 100 | 0 |
| Male | 0 | 0 | 0 | 0 |
2.99
Average Family Size
2.78
Average Household Size
100.0%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 0 | 0% |
| Associates Degree | 44 | 6.14% |
| Bachelors Degree | 198 | 27.62% |
| Graduate Degree | 405 | 56.49% |
| High School Graduate | 16 | 2.23% |
| Less Than 9th Grade | 0 | 0% |
| Some College | 54 | 7.53% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 589 | 589 | 492 |
| Other Race | 78 | 78 | 78 |
| 2+ Races | 33 | 33 | 33 |
| Hispanic | 33 | 33 | 33 |
| Asian | 17 | 17 | 0 |
The highest rate of high school graduation is among white people with a rate of 100%.
The highest rate of bachelors degrees is among other race people with a rate of 100%.
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
79.9% of Diablo residents speak only English, while 20.1% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 10.65% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| Hispanic | 106 | 106 | 100% |
| Multiple | 49 | 33 | 67.35% |
9.89%
Overall Poverty Rate
8.13%
Male Poverty Rate
11.18%
Female Poverty Rate
The race most likely to be in poverty in Diablo is Hispanic, with 100% below the poverty level.
The race least likely to be in poverty in Diablo is Multiple, with 67.35% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 28.85%, and for those that did not work, the poverty rate was 9.46%.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 0% |
| Bachelors or Greater | 5.47% |
| High School | 0% |
| Some College | 0% |
rate
Rate | Poverty |
|---|---|
| Male Employed | 12.76% |
| Male Unemployed | 0% |
| Female Unemployed | 100% |
| Female Employed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $240,203 | $321,586 |
| Households | - | $291,082 |
| Married Families | $241,318 | $-999,999,999 |
| Non Families | - | $-999,999,999 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
72.9%
Overall Marriage Rate
85.8%
Male Marriage Rate
62.7%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
51
Number of Veterans
51
Male Veterans
0
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 28 |
| Second Gulf War | 0 |
| First Gulf War | 0 |
| Korea | 0 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 75+ | 51 |
| 18 to 34 | 0 |
| 35 to 54 | 0 |
| 55 to 64 | 0 |
| 65 to 74 | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 51 | 7.7% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
45.1%
Veteran Disability Rate
LaborForceParticipation
55.2%
Labor Force Participation
50.9%
Employment Rate
7.7%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
46.08%
Born in Diablo
83.21%
Native Born
16.79%
Foreign Born
0%
Non Citizen
16.79%
Naturalized
83.21% of Diablo residents were born in the United States, with 46.08% having been born in California. 0% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.
Year | Population | Growth | Change |
|---|---|---|---|
| 2024 | 708 | -32 | -4.32% |
| 2023 | 740 | -32 | -4.15% |
| 2022 | 772 | 83 | 12.05% |
| 2021 | 689 | -145 | -17.39% |
| 2020 | 834 | 386 | 86.16% |
| 2019 | 448 | 84 | 23.08% |
| 2018 | 364 | -254 | -41.1% |
| 2017 | 618 | -189 | -23.42% |
| 2016 | 807 | -11 | -1.34% |
| 2015 | 818 | -151 | -15.58% |
| 2014 | 969 | -214 | -18.09% |
| 2013 | 1,183 | -28 | -2.31% |
| 2012 | 1,211 | 128 | 11.82% |
| 2011 | 1,083 | -75 | -6.48% |
| 2010 | 1,158 | 0 | 0% |