Photo: Thebluewriter · CC BY-SA 4.0Diamond Bar spent less per resident in 2022 than 98% of similar cities
Diamond Bar’s city government spent $28.9 million on day-to-day services in the year to June 30, 2022, about $526 per resident. Water and other utilities ($1.9 million) are counted separately.
What stands out about how Diamond Bar is run
Read from the city’s budget, meetings and official records.
6 upcoming meetings at town hall
From Diamond Bar’s own agenda portal, checked daily. Agendas can change up to the meeting, so check before you go.
- Nov3Public Safety CommitteeTuesday · 10:00 am · 21810 Copley Dr, Grand Conference RoomEconomic Development CommitteeAgenda ↗Meeting page ↗Add to calendar
- Nov3City CouncilTuesday · 6:30 pm · South Coast Air Quality Management District, 21865 Copley Dr.City Council MeetingAgenda ↗Meeting page ↗Add to calendar
- Nov10Planning CommissionTuesday · 6:30 pm · Diamond Bar City Hall - Windmill Community Room, 21810 Copley DrivePlanning Commission MeetingMeeting page ↗Add to calendar
- Nov17City CouncilTuesday · 6:30 pm · South Coast Air Quality Management District, 21865 Copley Dr.City Council MeetingMeeting page ↗Add to calendar
- Nov24Planning CommissionTuesday · 6:30 pm · Diamond Bar City Hall - Windmill Community Room, 21810 Copley DrivePlanning Commission MeetingMeeting page ↗Add to calendar
- Nov26Parks and Recreation CommissionThursday · 6:30 pmParks and Recreation Commission Meeting - AdjournedMeeting page ↗Add to calendar
Recent meetings
- Oct27Planning CommissionTuesday · 6:30 pm · Diamond Bar City Hall - Windmill Community Room, 21810 Copley DrivePlanning Commission MeetingMeeting page ↗
- Oct22City CouncilThursday · 6:00 pmOne Time EventMeeting page ↗
- Oct20City CouncilTuesday · 6:30 pm · South Coast Air Quality Management District, 21865 Copley Dr.City Council MeetingAgenda ↗Meeting page ↗
- Oct16Planning CommissionFriday · 6:00 pmOne Time EventMeeting page ↗
- Oct15Traffic and Transportation CommissionThursday · 6:30 pm · 21810 Copley DriveTraffic and Transportation Commission Special MeetingAgenda ↗Meeting page ↗
Most meetings are open to the public, and many have a public comment period at the start.
Agenda portal ↗About $526 per resident a year, or $1.44 a day
Day-to-day services only. The biggest line: police, at 26%.
Thank you for being a neighbor
$526 per resident in 2022: less than 98% of them
Diamond Bar’s day-to-day spending in 2022 ($526 per resident, hospital and utilities left out) against 101 California cities of 50,000–99,999 that don’t run their own schools: the median was $1,270, and the middle half spent $923–$1,772. Diamond Bar spent less than 98% of them.
Includes sewer and trash ($409,000), as the Census Bureau counts them. Later years come from a Census sample, so the comparison stays on 2022. How Town Hall compares budgets →
California cities of 50,000–99,999 that don’t run their own schools, 2022 Census of Governments (every government counted that year; Diamond Bar itself left out).
No trend yet
Diamond Bar reported only 2022 to the Census Bureau, so there is no trend yet.
The typical homeowner pays $6,634 a year
Every local property tax on the home: town, schools and county. About 0.74% of the home’s value, vs 0.70% across California.
Typical yearly bill next door and statewide
The Housing page’s calculator splits a monthly payment into loan, tax and insurance at Diamond Bar’s rate.
Can I afford it? →The median bill homeowners report to the Census survey (bills of $10,000+ are reported as “$10,000+”). The effective rate is that bill ÷ the median home value: a rough guide, not the official tax rate.
Tax bills are one input to Diamond Bar’s Cost of living grade. Cost of living in Diamond Bar →
Who’s in charge in Diamond Bar
Names change after every election, so we link to the source that keeps them current.
One full-time city employee for every 963 residents
On the payroll in March 2022, from the Census Bureau’s Annual Survey of Public Employment & Payroll. Residents: the Census population in the 2022 finance file (54,880).
By department full-time, plus part-time, March 2022
The Census reports one month’s payroll (March); yearly figures are that month × 12, an estimate. Part-timers count half in the bar lengths.
Walnut Valley Unified School District
Diamond Bar’s K–12 school district, shared with Walnut. It’s its own government, with a budget separate from the town’s.
Of the $16,053 per pupil, $9,464 goes to the classroom (teachers, aides, supplies); the rest to buses, buildings, counselors and administration. Building projects and debt payments aren’t in the per-pupil figure.
California districts overall: 36% local, 52% state, 11% federal.
Pomona Unified School District · $23,577 per pupil
School year 2023–24. Census Bureau school finance survey.
Diamond Bar’s votes are counted by county
California reports official results by county and precinct, not by city, so there are no official results for Diamond Bar alone, and we don’t estimate them. These are Los Angeles County’s results.
Kamala D HarrisDemocrat64.8%2,416,522 votes
Donald J TrumpRepublican31.9%1,189,227 votesOthers: 3.3% (121,420 votes).
Most votes in Los Angeles County: Kamala D Harris
California: Harris 58.5%, Trump 38.3%
100% of Diamond Bar lies in Los Angeles County. Every 2024 race in Los Angeles County is on the county’s page.
Los Angeles County’s 2024 results →Official 2024 general election returns, as certified (MIT Election Data + Science Lab). Percentages are of votes for candidates; blank and spoiled ballots aren’t counted. Candidates are listed by votes, and party colors are neutral on purpose.
Portraits: Kamala D Harris: official vice-presidential portrait, Lawrence Jackson, The White House, 2021; Donald J Trump: official portrait, Shealah Craighead, The White House, 2017. All are U.S. government works in the public domain. A race shows photos only when every candidate has an official portrait; otherwise every candidate in it gets initials.
From town hall to Washington
Every level of government that speaks for Diamond Bar.
- 1Your cityMayor & councilOfficials: ci.diamond-bar.ca.us ↗
- 2California AssemblyState representatives
- 3California SenateState senator
- 4GovernorStatewide
- 5U.S. HouseYour representative in Congress
- 6U.S. SenateBoth represent all of California
Democrat · Republican · other or independent. Tap a name for their official page.
How Diamond Bar compares with the towns next door
Diamond Bar spent $526 per resident in 2022; the 3 neighbors that reported 2022 spent $1,396 to $275,328. Towns that run more services spend more. Tap a town to see its page.
| Town | Day-to-day, per resident (2022) | Tax bill |
|---|---|---|
| Pomona | $1,396 | $3,717 |
| Chino Hills | $1,589 | $6,203 |
| Industry | $275,328 | — |
| Diamond Bar | $526 | $6,634 |
Day-to-day spending in 2022, the last year every government was counted, for governments that reported it; hospital and utilities left out. Tax bill: the typical homeowner’s bill (Census ACS, 2020–24).
Reach Diamond Bar’s government
The official site has phone numbers, hours and forms. Neighbors add the rest to the Handbook.
Questions about Diamond Bar’s government
How much does Diamond Bar spend per resident?
About $526 per resident on day-to-day services in the year to June 30, 2022, as reported to the Census Bureau. In 2022, the last full count, its $526 was less than 98% of 101 California cities of 50,000–99,999 that don’t run their own schools.
What is the property tax rate in Diamond Bar?
Homeowners report a typical bill of $6,634 a year (Census ACS, 2020–24), about 0.74% of the typical home’s value, vs 0.70% across California. For the official rate per $1,000 of assessed value, see ci.diamond-bar.ca.us.
Who runs Diamond Bar’s government?
See ci.diamond-bar.ca.us for current officials. We name an official only when a public source lists a current term, and none does for Diamond Bar yet.
How did Diamond Bar vote in 2024?
California counts votes by county and precinct, not by city, so there are no official results for Diamond Bar alone. Los Angeles County, where 100% of Diamond Bar lies, voted Harris 64.8%, Trump 31.9% for president; its page has every race.
How many people work for Diamond Bar?
57 full-time and 47 part-time employees in March 2022, with a March payroll of $541,230 (about $6.5M a year if every month were the same), as reported to the Census Bureau.
Who represents Diamond Bar in the state legislature?
State Senate District 30 (Bob Archuleta) and Assembly District 56 (Lisa Calderon). The Assembly district also covers eight other towns. Listed by Open States; districts from the Census Bureau.
When is the next public meeting in Diamond Bar?
The next posted meeting is Public Safety Committee on Tuesday, November 3, at 10:00 am in 21810 Copley Dr, Grand Conference Room, from the city’s own agenda portal.
Ask neighbors about Diamond Bar’s government
Neighbors who’ve been to the meetings can help.
Budget and staff: U.S. Census Bureau, Census of Governments (2022, every government) and Annual Survey of State and Local Government Finances (2023–24, a sample) and the Annual Survey of Public Employment & Payroll; day-to-day spending is current operations, with hospitals, utilities and airports apart. School district: Census school finance survey, 2023–24. Property tax: Census American Community Survey, 2020–24. Elections: official 2024 returns via the MIT Election Data + Science Lab; turnout uses Census citizen voting-age population (CVAP, 2020–24). Officials: Open States, names shown only with a current term (checked October 9, 2026). Districts: Census Bureau (119th Congress, 2024 state districts); legislators: Open States and congress-legislators. How Town Hall works →