Shell Ridge is a city located in Contra Costa County California. Shell Ridge has a 2024 population of 1,001. Shell Ridge is currently declining at a rate of -1.96% annually and its population has decreased by -7.4% since the most recent census, which recorded a population of 1,081 in 2020.
The average household income in Shell Ridge is $455,931 with a poverty rate of 1.15%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Shell Ridge is 44.1 years, 48.2 years for males, and 41.4 years for females.
According to the most recent ACS, the racial composition of Shell Ridge 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 | 345 | 3.02 | 91.9 | 8.1 |
| Married | 286 | 3.15 | 90.2 | 9.8 |
| Female | 40 | 3.05 | 100 | 0 |
| Non Family | 19 | 0 | 100 | 0 |
| Male | 0 | 0 | 0 | 0 |
2.99
Average Family Size
3.02
Average Household Size
91.9%
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 black people with a rate of 100%.
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
66.16% of Shell Ridge residents speak only English, while 33.84% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 13.23% of the population.
rate
1.15%
Overall Poverty Rate
0%
Male Poverty Rate
1.94%
Female Poverty Rate
The race most likely to be in poverty in Shell Ridge is Asian, with 13.19% below the poverty level.
The race least likely to be in poverty in Shell Ridge is Asian, with 13.19% 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 0%, and for those that did not work, the poverty rate was 6.06%.
Married
Widowed
Divorced
Separated
NeverMarried
68.3%
Overall Marriage Rate
75.4%
Male Marriage Rate
62.1%
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
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
0%
Veteran Disability Rate
LaborForceParticipation
71.8%
Labor Force Participation
70.5%
Employment Rate
1.8%
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
53.79%
Born in Shell Ridge
72.81%
Native Born
27.19%
Foreign Born
8.17%
Non Citizen
19.02%
Naturalized
72.81% of Shell Ridge residents were born in the United States, with 53.79% having been born in California. 8.17% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2024 | 1,001 | -20 | -1.96% |
| 2023 | 1,021 | -20 | -1.92% |
| 2022 | 1,041 | -40 | -3.7% |
| 2021 | 1,081 | 0 | 0% |
| 2020 | 1,081 | -261 | -19.45% |
| 2019 | 1,342 | 61 | 4.76% |
| 2018 | 1,281 | -47 | -3.54% |
| 2017 | 1,328 | 205 | 18.25% |
| 2016 | 1,123 | 84 | 8.08% |
| 2015 | 1,039 | -100 | -8.78% |
| 2014 | 1,139 | -99 | -8% |
| 2013 | 1,238 | 356 | 40.36% |
| 2012 | 882 | -241 | -21.46% |
| 2011 | 1,123 | 164 | 17.1% |
| 2010 | 959 | 0 | 0% |