San Bernardino County, California

San Bernardino County profile, demographic data, and geographic information.

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF

Government Unit	Unit Type	Jurisdiction Role	Contact / Address
COUNTY OF SAN BERNARDINO GUS Population: 2,214,281 (2024) ID: 161110	County	Official County Government	Contact: CHAIRMAN 385 N ARROWHEAD AVE, FL 5, SAN BERNARDINO CA 92415-0110
CITY OF SAN BERNARDINO GUS Population: 224,775 (2024) ID: 193115	Municipal	Municipal Government Within County	Contact: MAYOR 300 N D ST, FL 6, SAN BERNARDINO CA 92418-0001
CITY OF FONTANA GUS Population: 218,455 (2024) ID: 161245	Municipal	Municipal Government Within County	Contact: MAYOR 8353 SIERRA AVE, FONTANA CA 92335-3598
CITY OF ONTARIO GUS Population: 185,285 (2024) ID: 161246	Municipal	Municipal Government Within County	Contact: DEPUTY CITY MANAGER 303 E B ST, ONTARIO CA 91764-4196
CITY OF RANCHO CUCAMONGA GUS Population: 176,675 (2024) ID: 161251	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 807, RANCHO CUCAMONGA CA 91729-0807
CITY OF VICTORVILLE GUS Population: 140,721 (2024) ID: 161252	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 5001, VICTORVILLE CA 92392-5001
CITY OF RIALTO GUS Population: 104,918 (2024) ID: 123146	Municipal	Municipal Government Within County	Contact: DEVELOPMENT SERVICES DEPT 150 S PALM AVE, RIALTO CA 92376-6487
CITY OF HESPERIA GUS Population: 101,836 (2024) ID: 123147	Municipal	Municipal Government Within County	Contact: MANAGEMENT ANALYST 9700 7TH AVE, HESPERIA CA 92345-3495
CITY OF CHINO GUS Population: 94,010 (2024) ID: 161243	Municipal	Municipal Government Within County	Contact: MANAGEMENT ANALYST PO BOX 667, CHINO CA 91708-0667
CITY OF UPLAND GUS Population: 79,684 (2024) ID: 161247	Municipal	Municipal Government Within County	Contact: CITY MANAGER PO BOX 460, UPLAND CA 91785-0460
CITY OF CHINO HILLS GUS Population: 77,418 (2024) ID: 161248	Municipal	Municipal Government Within County	Contact: SENIOR ADMINISTRATIVE ANALYST 14000 CITY CENTER DR, CHINO HILLS CA 91709-5442
TOWN OF APPLE VALLEY GUS Population: 75,029 (2024) ID: 189641	Municipal	Municipal Government Within County	Contact: MAYOR 14955 DALE EVANS PKWY, APPLE VALLEY CA 92307-3080
CITY OF REDLANDS GUS Population: 74,279 (2024) ID: 100723	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 3005, REDLANDS CA 92373-1505
CITY OF HIGHLAND GUS Population: 56,499 (2024) ID: 100726	Municipal	Municipal Government Within County	Contact: DIRECTOR OF ADMIN SERVICES 27215 BASELINE ST, HIGHLAND CA 92346-3113
CITY OF YUCAIPA GUS Population: 54,465 (2024) ID: 183841	Municipal	Municipal Government Within County	Contact: DIRECTOR OF DEVELOPMENT SERVICES 34272 YUCAIPA BLVD, YUCAIPA CA 92399
CITY OF COLTON GUS Population: 53,528 (2024) ID: 161244	Municipal	Municipal Government Within County	Contact: MAYOR 650 N LA CADENA DR, COLTON CA 92324-2853
CITY OF ADELANTO GUS Population: 37,941 (2024) ID: 123149	Municipal	Municipal Government Within County	Contact: CITY CLERK 11600 AIR EXPRESSWAY, ADELANTO CA 92301
CITY OF MONTCLAIR GUS Population: 37,650 (2024) ID: 161250	Municipal	Municipal Government Within County	Contact: COMMUNITY DEVELOPMENT DIRECTOR PO BOX 2308, MONTCLAIR CA 91763-0808
CITY OF TWENTYNINE PALMS GUS Population: 26,563 (2024) ID: 137235	Municipal	Municipal Government Within County	Contact: FRANK J LUCKINO 6136 ADOBE ROAD, TWENTYNINE PALMS CA 92277-2652
CITY OF LOMA LINDA GUS Population: 25,197 (2024) ID: 161253	Municipal	Municipal Government Within County	Contact: HUMAN RESOURCES 25541 BARTON ROAD, LOMA LINDA CA 92354
CITY OF BARSTOW GUS Population: 24,897 (2024) ID: 123144	Municipal	Municipal Government Within County	Contact: CITY PLANNER 220 E MOUNTAIN VIEW ST, STE A, BARSTOW CA 92311-2888
CITY OF YUCCA VALLEY GUS Population: 21,858 (2024) ID: 161249	Municipal	Municipal Government Within County	Contact: HR MANAGER 57090 TWENTYNINE PALMS HWY, YUCCA VALLEY CA 92284
CITY OF GRAND TERRACE GUS Population: 12,979 (2024) ID: 100727	Municipal	Municipal Government Within County	Contact: MAYOR 22795 BARTON RD, STE A, GRAND TERRACE CA 92313-5295
CITY OF BIG BEAR LAKE GUS Population: 5,044 (2024) ID: 123148	Municipal	Municipal Government Within County	Contact: DIRECTOR OF COMMUNITY SERVICES PO BOX 10000, BIG BEAR LAKE CA 92315-8900
CITY OF NEEDLES GUS Population: 4,839 (2024) ID: 123145	Municipal	Municipal Government Within County	Contact: CITY CLERK 817 3RD ST, NEEDLES CA 92363-2933