City profile · Small City
Diamond Bar, California
Verified Oct 11, 2026Who leads Diamond Bar, with the evidence behind the record.
City leadership
- Leader
- Steve Tye
- Role
- Mayor
- Population
- 56,287
- Census Bureau estimate
- Last verified
- Oct 11, 2026
- Matched the official page in an automated check
- Last checked
- Oct 11, 2026
- The check matched the published record
Source & verification
- Verification sourcediamondbarca.gov/898/Mayors-Corner ↗
- Official leadership pagediamondbarca.gov/898/Mayors-Corner ↗
- City websitediamondbarca.gov ↗
“Last checked” is when we last looked at the source. “Last verified” is when the record was last confirmed. A page we couldn't read never counts as a verification.
Record history
Published records only. Possible changes still under review are not shown here.
Leaders on record
- Steve Tye CurrentMayor · added Jul 6, 2026 · verified Oct 11, 2026
- Chia Yu Teng FormerMayor (Ceremonial) · added May 4, 2026
Reviewed changes
No reviewer-published changes yet.
Demographics
Census Bureau data for the city
- Population
- 56,287
- Median household income
- $106,881
- Median age
- 44.7
- Land area
- 14.88 sq mi
- Population density
- 3,782.7 per sq mi
- County
- Los Angeles County
- Metro area
- Los Angeles-Long Beach-Anaheim, CA
City government
Budget and contact
- Annual budget
- ~$197M
- City hall phone
- (909) 839-7000
- Official website
- diamondbarca.gov ↗
Use this record in your app
The same leadership and verification fields are available from the API.
curl https://api.civicgrid.org/cities/584 \
-H "Authorization: Bearer cg_live_..."