Diablo Grande, CA demographics:
population, income, and more

Total population
1,948
30.9% year-over-year change
Median household income
$128,889/yr
-19.8% year-over-year change
Housing units
542
5.0% year-over-year change

Diablo Grande population

How many people live in Diablo Grande

Diablo Grande is home to 1,948 residents, according to the most recent Census data. Gender-wise, 41.7% of Diablo Grande locals are male, and 58.3% are female.

Total population
1,948
30.9% year-over-year change
Gender ratio
Male
41.7%
813
Female
58.3%
1,135
Value Percent YoY change
Male 813 41.7% 21.5%
Female 1,135 58.3% 38.6%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Diablo Grande is 34, with the population distributed as follows: about 24.8% are children under 15, then 10% are in the 15 to 24 age group. Adults between 25 and 44 make up 27.2% of the population, while another 22.8% fall into the 45 to 64 bracket. Finally, around 15.2% are 65 or older.

Median age
34.4
Age breakdown
Under 15
24.8%
15 to 24
10%
25 to 44
27.2%
45 to 64
22.8%
Over 65
15.2%
Value Percent YoY change
Under 15 483 24.8% 82.3%
15 to 24 194 10% 6.0%
25 to 44 530 27.2% 46.8%
45 to 64 445 22.8% 18.7%
Over 65 296 15.2% -2.6%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Diablo Grande, 77.3% of the population are US-born citizens, while 18.6% have gained naturalized citizenship. At the same time, 4.2% of residents are non-citizens. As for race, 56.7% of locals are Caucasian, 3.8% are African American and 19.7% have Asian roots. There’s also a share of 11.6% that includes residents with two or more races.

Citizenship
U.S.-born citizens
77.3%
Non-U.S.-born citizens
18.6%
Non-citizens
4.2%
Value Percent YoY change
U.S.-born citizens 1,505 77.3% 27.0%
Non-U.S.-born citizens 362 18.6% 57.4%
Non-citizens 81 4.2% 11.0%
Racial breakdown
White
56.7%
Black or African American
3.8%
American Indian and Alaska Native
2.4%
Asian
19.7%
Native Hawaiian and other Pacific Islander
0%
Two or more races
11.6%
Other
6%
Value Percent
White 1,104 56.7%
Black or African American 73 3.8%
American Indian and Alaska Native 46 2.4%
Asian 383 19.7%
Two or more races 225 11.6%
Other 117 6%

Households in Diablo Grande

A peek inside Diablo Grande households

Diablo Grande has 542 households, with an average of 4 members in each. Of these, 89.1% are families, while the remaining 10.9% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
542
10.6% year-over-year change
Average people per household
4
Non-family households
59
Family households
483
Value Percent YoY change
Non-family households 59 10.9% 34.1%
Family households 483 89.1% 8.3%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Diablo Grande

The housing landscape of Diablo Grande

Diablo Grande's housing consists of 542 units, with 98.2% being detached single-family homes ideal for those wanting space.

Housing units
542
5.0% year-over-year change
Housing types
Value Percent
1 unit, detached 532 98.2%
50 or more units 10 1.8%
Homes built since 2020
0
% year-over-year change

The age of buildings in Diablo Grande

In Diablo Grande, the median construction year is 2006. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built between 1950 and 1959 8 1.5% -20.0%
Built between 2000 and 2009 409 75.5% 24.7%
Built between 2010 and 2019 125 23.1% -26.9%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Diablo Grande occupancy rates

Out of the 542 occupied housing units in Diablo Grande, 89.1% are owner-occupied, while 10.9% are lived in by tenants.

Occupied housing units
542
10.6% year-over-year change
Occupancy breakdown
Renter occupied
59
Owner occupied
483
Value Percent YoY
change
Renter occupied 59 10.9% 7.3%
Owner occupied 483 89.1% 11.0%
Unoccupied housing units
0.0%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Diablo Grande housing costs

Housing costs in Diablo Grande come to a median of $2,911 per month, while tenants specifically pay a median gross rent of $3,069.

Median housing costs per month
$2,911/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Diablo Grande
$3,069/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Diablo Grande

Diablo Grande education at a glance

About 27.4% of the population in Diablo Grande went to high school, while 37.3% pursued college studies. Another 4.3% earned an associate degree and 18.9% hold a bachelor’s. Meanwhile, 10.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 22 1.6% 120.0%
High school diploma 377 27.4% 32.8%
College diploma 512 37.3% 25.8%
Associate degree 59 4.3% 9.3%
Bachelor's degree 260 18.9% 15.6%
Graduate degree 144 10.5% -10.0%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Diablo Grande

How much people earn in Diablo Grande

The average annual household income in Diablo Grande was $151,466 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +2.2% change from the previous year. At the same time, the median income stood at $128,889, reflecting a -19.8% shift over the same period.

Average household income in Diablo Grande
$151,466/year
2.2% year-over-year change
Median household income in Diablo Grande
$128,889/year
-19.8% year-over-year change

Diablo Grande income by age

In Diablo Grande, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $126,101. Those with someone between 45 and 64 in charge, often well established professionally, earn $196,172 overall. Overall, 93.9% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $126,101 -22.1%
45 - 64 $196,172 -7.7%
Over 65 $85,455 21.3%
Above poverty level
1,830
Below poverty level
118
Value Percent YoY
change
Above poverty level 1,830 93.9% 26.5%
Below poverty level 118 6.1% 187.8%

Average renter income in Diablo Grande

To get a better sense of what renters earn on average in Diablo Grande, their median household income was $156,050 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 23.6%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$156,050
Rent-to-income ratio
23.6%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Diablo Grande

Workforce and job types in Diablo Grande

The job market in Diablo Grande is powered by 788 working residents, spread across a range of industries and roles. 79.1% of the working population are employed in professional or administrative positions, while 20.9% are in hands-on or service-based jobs. Also, 5.1% run their own businesses, 64.3% are employed by private companies, and 22.5% work in the public sector.

Workforce demographics

Working population
788
22.7% year-over-year change
White collar
623
Blue collar
165
Value Percent YoY change
White collar 623 79.1% 29.0%
Blue collar 165 20.9% 3.8%
Employer type
Self employees
5.1%
Private companies
64.3%
Governmental workers
22.5%
Not for profit companies
8.1%
Value Percent YoY change
Self employees 40 5.1% -11.1%
Private companies 507 64.3% 26.4%
Governmental workers 177 22.5% 60.9%
Not for profit companies 64 8.1% -25.6%
Unemployment rate
3.4%
-9.7% year-over-year change

Available workforce

The unemployment rate in Diablo Grande stands at 3.4%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Diablo Grande

How people get around in Diablo Grande

Means of transportation
Value Percent YoY change
Car 684 88.5% 28.8%
Motorcycle 7 0.9% 16.7%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

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FAQs about Diablo Grande demographics 

What is the total population of Diablo Grande?

Diablo Grande has a total population of 1,948 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +30.9% compared to a year ago.

What is the gender ratio in Diablo Grande?

The gender ratio in Diablo Grande is as follows:
  • 41.7% males (813 residents)
  • 58.3% females (1,135 residents)

What is the median age in Diablo Grande?

The median age in Diablo Grande is 34.4.

What is the age distribution of the population in Diablo Grande?

The age distribution in Diablo Grande is as follows:
  • Under 15: 24.8% (483 residents)
  • Ages 15-24: 10% (194 residents)
  • Ages 25-44: 27.2% (530 residents)
  • Ages 45-64: 22.8% (445 residents)
  • Over 65: 15.2% (296 residents)

What is the racial and ethnic makeup of Diablo Grande?

The racial and ethnic makeup of Diablo Grande is as follows:
  • White: 56.7% (1,104 residents)
  • Black or African American: 3.8% (73 residents)
  • American Indian and Alaska Native: 2.4% (46 residents)
  • Asian: 19.7% (383 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 11.6% (225 residents)
  • Other: 6% (117 residents)

What percentage of the population in Diablo Grande are U.S.-born citizens?

U.S.-born citizens represent 77.3% of the population in Diablo Grande.

How many housing units are there in Diablo Grande?

There are 542 housing units in Diablo Grande, reflecting a +5.0% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Diablo Grande and what is the average household size?

Diablo Grande has a total of 542 households, with an average of 4 people in each.

What is the median household income in Diablo Grande?

Diablo Grande has a median household income of $128,889, representing a -19.8% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Diablo Grande?

The employment rate is 96.6% in Diablo Grande, with a workforce of 788 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 79.1% (623 residents)
  • Blue-collar workers: 20.9% (165 residents)

Places of employment:
  • Self-employed: 5.1% (40 residents)
  • Private companies: 64.3% (507 residents)
  • Governmental workers: 22.5% (177 residents)
  • Not-for-profit companies: 8.1% (64 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025