Diamond Bar, CA Demographics
What is the population of Diamond Bar?
There are 53,750 residents in Diamond Bar, with a median age of 45. Of this, 46.53% are males and 53.47% are females. US-born citizens make up 51.73% of the resident pool in Diamond Bar, while non-US-born citizens account for 34.92%. Additionally, 13.35% of the population is represented by non-citizens.
A total of 49,272 people in Diamond Bar currently live in the same house as they did last year.
| Y-o-Y Change | ||
| Total Population | 53,750 | -1.4% |
| Male Population | 25,008 | -3.9% |
| Female Population | 28,742 | 0.8% |
Male Population 46.53%
Female Population 53.47%
| Y-o-Y Change | ||
| Median Age | 45 | 0.7% |
| Citizen U.S. Born | 27,804 | -4.6% |
| Citizen not U.S. Born | 18,769 | 2.4% |
| Not Citizen | 7,177 | 1.5% |
Citizen U.S. Born 51.73%
Citizen not U.S. Born 34.92%
Not Citizen 13.35%
| Y-o-Y Change | ||
| Moved from Abroad | 424 | -42.0% |
| Moved from Same County | 2,237 | -8.5% |
| Moved from Same State | 772 | -25.1% |
| Moved from Different State | 750 | 10.0% |
| Same House as Last Year | 49,272 | 0.1% |
Moved from Abroad 0.79%
Moved from Same County 4.18%
Moved from Same State 1.44%
Moved from Different State 1.4%
Same House as Last Year 92.17%
What are the employment statistics in Diamond Bar?
White-collar workers make up 89.73% of the working population in Diamond Bar, while blue-collar employees account for 10.27%. There are also 7,626 entrepreneurs in Diamond Bar (14.35% of the workforce); 33,456 workers employed in private companies (62.93%); and 8,240 people working in governmental institutions (15.5%).
| Y-o-Y Change | ||
| White Collar | 47,700 | 100.0% |
| Blue Collar | 5,460 | 95.0% |
White Collar 89.73%
Blue Collar 10.27%
| Y-o-Y Change | ||
| Self Employees | 7,626 | 102.3% |
| Private Companies | 33,456 | 96.7% |
| Governmental Workers | 8,240 | 116.0% |
| Not for Profit Companies | 3,838 | 86.5% |
Self Employees 14.35%
Private Companies 62.93%
Governmental Workers 15.5%
Not for Profit Companies 7.22%
How many households are there in Diamond Bar?
There are a total of 18,238 households in Diamond Bar, each made up of around 2 members. Family establishments represent 79.82% of these Diamond Bar households, while non-family units account for the remaining 20.18%. Additionally, 30.99% of households have children and 69.01% of households are without children.
| Y-o-Y Change | ||
| Total households | 18,238 | 2.4% |
| Average People per Household | 2 | -34.4% |
| Family Households | 14,558 | 0.8% |
| Non-Family Households | 3,680 | 9.2% |
Family Households 79.82%
Non-Family Households 20.18%
| Y-o-Y Change | ||
| Households with Children | 5,652 | -2.6% |
| Households without Children | 12,586 | 4.7% |
Households with Children 30.99%
Households without Children 69.01%
What are the median and average incomes in Diamond Bar?
The average annual household income in Diamond Bar is $137,200, while the median household income sits at $106,602 per year. Residents aged 25 to 44 earn $103,464, while those between 45 and 64 years old have a median wage of $131,807. In contrast, people younger than 25 and those older than 65 earn less, at $62,386 and $74,539, respectively.
| Y-o-Y Change | ||
| Average Household Income | $137,200 | 2.1% |
| Median Household Income | $106,602 | -0.3% |
| People below Poverty Level | 4,886 | 4.4% |
| People above Poverty Level | 48,428 | -1.8% |
How many homeowners and renters are there in Diamond Bar?
There are 19,000 housing units in Diamond Bar, and the median year in which these properties were built is 1979. Of the 18,238 occupied housing units in Diamond Bar, 77.42% are owner-occupied, while 22.58% have renters living in them.
Meanwhile, properties bought with mortgages account for 62.3% of the units, and the median value of a home with a mortgage is $864,400. In general, housing costs reach $2,268 per month in Diamond Bar.
| Y-o-Y Change | ||
| Housing Units | 19,000 | 2.0% |
| Median Year Built | 1979 | 0.0% |
| Built in 1939 or Earlier | 111 | -27.4% |
| Built between 1940 and 1949 | 79 | 16.2% |
| Built between 1950 and 1959 | 508 | 23.6% |
| Built between 1960 and 1969 | 3,367 | 3.8% |
| Built between 1970 and 1979 | 5,778 | -2.1% |
| Built between 1980 and 1989 | 7,611 | 3.2% |
| Built between 1990 and 1999 | 739 | -4.2% |
| Built between 2000 and 2009 | 544 | 12.6% |
| Built between 2010 and 2019 | 263 | 22.9% |
| Y-o-Y Change | ||
| Occupied Housing Units | 18,238 | 2.4% |
| Owner Occupied | 14,120 | 2.4% |
| Renter Occupied | 4,118 | 2.1% |
Owner Occupied 77.42%
Renter Occupied 22.58%
| Y-o-Y Change | ||
| With Mortgage | 8,797 | -1.1% |
| Without Mortgage | 5,323 | 8.7% |
| Median Value with Mortgage | $864,400 | 3.7% |
| Median Value without Mortgage | $871,400 | 6.2% |
| Median Housing Costs per Month | $2,268 | 0.8% |
With Mortgage 62.3%
Without Mortgage 37.7%
What is the level of education in Diamond Bar?
Approximately 18.57% of the population in Diamond Bar holds a high school degree (that's 8,090 residents), while 18.97% have attained a college certificate (8,266 locals) and 33.18% have a bachelor's degree (14,455 people).
| Y-o-Y Change | ||
| No High School | 1,604 | -9.3% |
| Some High School | 8,090 | 2.8% |
| Some College | 8,266 | -21.6% |
| Associate Degree | 3,696 | -1.1% |
| Bachelor's Degree | 14,455 | 1.9% |
| Graduate Degree | 7,452 | -1.7% |
No High School 3.68%
Some High School 18.57%
Some College 18.97%
Associate Degree 8.48%
Bachelor's Degree 33.18%
Graduate Degree 17.11%
What is the marital status of Diamond Bar residents?
A total of 13,286 people in Diamond Bar have never been married (which represents 29.17% of the total population), while 26,458 of them are wedded (58.09%). Separated and divorced residents are in smaller numbers, at 511 (1.12%) and 3,362 (7.38%), respectively.
| Y-o-Y Change | ||
| Never Married | 13,286 | -3.9% |
| Married | 26,458 | 0.6% |
| Separated | 511 | 46.4% |
| Widowed | 2,443 | 0.9% |
| Divorced | 3,362 | -0.8% |
Never Married 29.17%
Married 58.09%
Separated 1.12%
Widowed 5.36%
Divorced 7.38%
What are the most common means of transportation in Diamond Bar?
The top three means of transportation people in Diamond Bar use to get to work are: car, bus or trolley bus and railroad. A total of 20,958 residents commute by car, 148 prefer going to work by bus or trolley bus and 125 by railroad
| Y-o-Y Change | ||
| Car | 20,958 | -2.0% |
| Bus or TrolleyBus | 148 | -27.8% |
| Subway or Elevated | 74 | N/A |
| Railroad | 125 | -34.2% |
| Bicycle | 72 | 53.2% |
| TaxiCab | 26 | -18.8% |
| Walk | 105 | -40.3% |
What is the median and average household income in Diamond Bar by zipcode?
Methodology & Disclaimers
Demographic data shown in this section was gathered from the latest U.S. Census Bureau release, the 2023 American Community Survey. The information is updated yearly, as soon as new data is made available by the US Census Bureau.
No representation, guarantee or warranty is made as to the accuracy or completeness of information modified or aggregated for specific neighborhoods and/or zip codes.