Diablo is a city located in Contra Costa County California. Diablo has a 2024 population of 710. Diablo is currently declining at a rate of -4.18% annually and its population has decreased by -14.87% since the most recent census, which recorded a population of 834 in 2020.
The average household income in Diablo is $392,937 with a poverty rate of 16.06%. The median age in Diablo is 37.4 years: 37.4 years for males, and 37.4 years for females.
According to the most recent ACS, the racial composition of Diablo was:
White
Two or more races
Asian
Black or African American
Native American
Native Hawaiian or Pacific Islander
Other race
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 250 | 3.09 | 100 | 0 |
| Married | 201 | 3.16 | 100 | 0 |
| Female | 36 | 3.44 | 100 | 0 |
| Non Family | 13 | 0 | 100 | 0 |
| Male | 0 | 0 | 0 | 0 |
3.2
Average Family Size
3.09
Average Household Size
100.0%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
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
The highest rate of high school graduation is among white people with a rate of 100%.
The highest rate of bachelors degrees is among 2+ races people with a rate of 100%.
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
79.65% of Diablo residents speak only English, while 20.35% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 17.89% of the population.
rate
16.06%
Overall Poverty Rate
12.89%
Male Poverty Rate
18.68%
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 66.67% 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 47.83%, and for those that did not work, the poverty rate was 15%.
Married
Widowed
Divorced
Separated
NeverMarried
69.4%
Overall Marriage Rate
76.2%
Male Marriage Rate
63.2%
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 Over 65.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
42.86%
Veteran Disability Rate
LaborForceParticipation
52.1%
Labor Force Participation
44.3%
Employment Rate
14.9%
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
46.76%
Born in Diablo
90.54%
Native Born
9.46%
Foreign Born
0%
Non Citizen
9.46%
Naturalized
90.54% of Diablo residents were born in the United States, with 46.76% 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 Latin America.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2024 | 710 | -31 | -4.18% |
| 2023 | 741 | -31 | -4.02% |
| 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% |