Diamond Bar, CA
Demographics And Statistics

Demographics | Crime | Cost Of Living
Updated: 2025-10-25

Living In Diamond Bar, California Summary

Life in Diamond Bar research summary. HomeSnacks has been using Saturday Night Science to research the quality of life in Diamond Bar over the past nine years using Census, FBI, Zillow, and other primary data sources. Based on the most recently available data, we found the following about life in Diamond Bar:

  • The population in Diamond Bar is 53,750.

  • The median home value in Diamond Bar is $993,516.

  • The median income in Diamond Bar is $106,602.

  • The cost of living in Diamond Bar is 174 which is 1.7x higher than the national average.

  • The median rent in Diamond Bar is $2,422.

  • The unemployment rate in Diamond Bar is 5.1%.

  • The poverty rate in Diamond Bar is 9.1%.

  • The average high in Diamond Bar is 75.3° and the average low is 54.1°.

Diamond Bar SnackAbility

9
Overall SnackAbility
Jobs
8.5/10
Housing
10
Affordability
4
Diversity
9
Safety
8
Amenities
9.5
Education
8.5
Commute
3

Diamond Bar, CA Crime Report

Crime in Diamond Bar summary. We use data from the FBI to determine the crime rates in Diamond Bar. Key points include:

  • There were 992 total crimes in Diamond Bar in the last reporting year.

  • The overall crime rate per 100,000 people in Diamond Bar is 1,940.3 / 100k people.

  • The violent crime rate per 100,000 people in Diamond Bar is 78.2 / 100k people.

  • The property crime rate per 100,000 people in Diamond Bar is 1,862.1 / 100k people.

  • Overall, crime in Diamond Bar is -8.44% below the national average.

992
Total Crimes
-8.44%
Below National Average

Crime In Diamond Bar Comparison Table

Statistic Count
Raw
Diamond Bar
/ 100k People
California
/ 100k People
National
/ 100k People
Total Crimes Per 100K 992 1,940.3 2,564.5 2,119.2
Violent Crime 40 78.2 486.0 359.0
Murder 0 0.0 4.5 5.0
Robbery 11 21.5 119.1 61.0
Aggravated Assault 24 46.9 325.8 256.0
Property Crime 952 1,862.1 2,078.4 1,760.0
Burglary 346 676.8 305.8 229.0
Larceny 532 1,040.6 1,345.2 1,272.0
Car Theft 74 144.7 427.5 259.0

Diamond Bar, CA Cost Of Living

Cost of living in Diamond Bar summary. We use data on the cost of living to determine how expensive it is to live in Diamond Bar. Real estate prices drive most of the variance in cost of living around California. Key points include:

  • The cost of living in Diamond Bar is 174 with 100 being average.

  • The cost of living in Diamond Bar is 1.7x higher than the national average.

  • The median home value in Diamond Bar is $993,516.

  • The median income in Diamond Bar is $106,602.

174
Diamond Bar's Overall Cost Of Living
1.7x
Higher Than The National Average

Cost Of Living In Diamond Bar Comparison Table

Living Expense Diamond Bar California National Average
Overall 174 141 100
Services 114 110 100
Groceries 113 112 100
Health 100 110 100
Housing 326 195 100
Transportation 126 125 100
Utilities 93 128 100

Diamond Bar, CA Weather

  • The average high in Diamond Bar is 75.3° and the average low is 54.1°.

  • There are 22.7 days of precipitation each year.

  • Expect an average of 16.2 inches of precipitation each year with 0.2 inches of snow.

StatDiamond Bar
Average Annual High75.3
Average Annual Low54.1
Annual Precipitation Days22.7
Average Annual Precipitation16.2
Average Annual Snowfall0.2
75.3°
Average High
22.7
Days of Rain

Diamond Bar, CA Photos

Diamond Bar City Hall
Source: Wikipedia User THylbom | CC BY-SA 4.0

Rankings for Diamond Bar in California

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Map Of Diamond Bar, CA

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Diamond Bar Demographics And Statistics

Population over time in Diamond Bar

The current population in Diamond Bar is 53,750. The population has decreased -3.5% from 2010.

Year Population % Change
2023 53,750 -1.4%
2022 54,534 -1.5%
2021 55,339 -1.0%
2020 55,870 -0.6%
2019 56,211 -0.4%
2018 56,434 -0.3%
2017 56,600 0.3%
2016 56,456 -0.0%
2015 56,471 0.4%
2014 56,259 0.6%
2013 55,950 0.3%
2012 55,810 0.3%
2011 55,668 -0.1%
2010 55,701 -

Race / Ethnicity in Diamond Bar

White
13.1% (7,027)
African American
3.0% (1,634)
American Indian
0.6% (346)
Asian
61.8% (33,239)
Hawaiian
0.2% (89)
Other
0.4% (211)
Two Or More
3.9% (2,081)
Hispanic
17.0% (9,123)

Diamond Bar is:

  • 13.1% White with 7,027 White residents.

  • 3.0% African American with 1,634 African American residents.

  • 0.6% American Indian with 346 American Indian residents.

  • 61.8% Asian with 33,239 Asian residents.

  • 0.2% Hawaiian with 89 Hawaiian residents.

  • 0.4% Other with 211 Other residents.

  • 3.9% Two Or More with 2,081 Two Or More residents.

  • 17.0% Hispanic with 9,123 Hispanic residents.

Race Diamond Bar CA USA
White 13.1% 34.6% 58.2%
African American 3.0% 5.3% 12.0%
American Indian 0.6% 0.3% 0.5%
Asian 61.8% 15.1% 5.7%
Hawaiian 0.2% 0.3% 0.2%
Other 0.4% 0.5% 0.5%
Two Or More 3.9% 4.1% 3.9%
Hispanic 17.0% 39.8% 19.0%

Gender in Diamond Bar

Female
53.5% (28,742)
Male
46.5% (25,008)
  • Diamond Bar is 53.5% female with 28,742 female residents.

  • Diamond Bar is 46.5% male with 25,008 male residents.

Gender Diamond Bar CA USA
Female 53.5% 50.0% 50.5%
Male 46.5% 50.0% 49.5%

Highest level of educational attainment in Diamond Bar for adults over 25

  • 3.0% of adults in Diamond Bar completed < 9th grade.

  • 3.0% of adults in Diamond Bar completed 9-12th grade.

  • 15.0% of adults in Diamond Bar completed high school / ged.

  • 17.0% of adults in Diamond Bar completed some college.

  • 9.0% of adults in Diamond Bar completed associate's degree.

  • 34.0% of adults in Diamond Bar completed bachelor's degree.

  • 13.0% of adults in Diamond Bar completed master's degree.

  • 3.0% of adults in Diamond Bar completed professional degree.

  • 3.0% of adults in Diamond Bar completed doctorate degree.

< 9th Grade
3.0% (1,612)
9-12th Grade
3.0% (1,612)
High School / GED
15.0% (8,062)
Some College
17.0% (9,137)
Associate's Degree
9.0% (4,837)
Bachelor's Degree
34.0% (18,275)
Master's Degree
13.0% (6,987)
Professional Degree
3.0% (1,612)
Doctorate Degree
3.0% (1,612)
Education Diamond Bar CA USA
< 9th Grade 3.0% 8.0% 5.0%
9-12th Grade 3.0% 7.0% 6.0%
High School / GED 15.0% 20.0% 26.0%
Some College 17.0% 20.0% 19.0%
Associate's Degree 9.0% 8.0% 9.0%
Bachelor's Degree 34.0% 22.0% 21.0%
Master's Degree 13.0% 10.0% 10.0%
Professional Degree 3.0% 3.0% 2.0%
Doctorate Degree 3.0% 2.0% 2.0%

Household Income For Diamond Bar, California

  • 5.4% of households in Diamond Bar earn Less than $10,000.

  • 1.4% of households in Diamond Bar earn $10,000 to $14,999.

  • 4.2% of households in Diamond Bar earn $15,000 to $24,999.

  • 5.5% of households in Diamond Bar earn $25,000 to $34,999.

  • 7.4% of households in Diamond Bar earn $35,000 to $49,999.

  • 12.2% of households in Diamond Bar earn $50,000 to $74,999.

  • 11.2% of households in Diamond Bar earn $75,000 to $99,999.

  • 18.7% of households in Diamond Bar earn $100,000 to $149,999.

  • 12.6% of households in Diamond Bar earn $150,000 to $199,999.

  • 21.4% of households in Diamond Bar earn $200,000 or more.

Less than $10,000
5.4% (289,704)
$10,000 to $14,999
1.4% (73,973)
$15,000 to $24,999
4.2% (224,277)
$25,000 to $34,999
5.5% (295,598)
$35,000 to $49,999
7.4% (399,337)
$50,000 to $74,999
12.2% (656,623)
$75,000 to $99,999
11.2% (602,101)
$100,000 to $149,999
18.7% (1,003,797)
$150,000 to $199,999
12.6% (676,958)
$200,000 or more
21.4% (1,152,627)
Income Diamond Bar CA USA
Less than $10,000 5.4% 4.4% 4.9%
$10,000 to $14,999 1.4% 3.0% 3.6%
$15,000 to $24,999 4.2% 5.2% 6.6%
$25,000 to $34,999 5.5% 5.5% 6.8%
$35,000 to $49,999 7.4% 8.4% 10.4%
$50,000 to $74,999 12.2% 13.3% 15.7%
$75,000 to $99,999 11.2% 11.8% 12.7%
$100,000 to $149,999 18.7% 17.9% 17.4%
$150,000 to $199,999 12.6% 11.1% 9.3%
$200,000 or more 21.4% 19.4% 12.6%

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