Official Census inventory · CA
California government directory.
4,660 public-entity records, with Census classifications, functions, contact fields, population or enrollment where published, and explicit functioning or dormant status.
4,648functioning
540general-purpose governments
2,976special district governments
1,004independent school districts
54dependent school systems
86public pension systems
Census public-use file
4,660 records
Special district governmentFunctioning
Omnitrans
PUBLIC MASS TRANSIT UTILITY
- County area
- San Bernardino
- Contact
- 1700 W 5TH ST · SAN BERNARDINO, CA · 92411-2499
- Census ID
- 206015
Special district governmentFunctioning
Omochumne-Hartnell Water District
WATER SUPPLY UTILITY
- County area
- Sacramento
- Contact
- PO BOX 211 · WILTON, CA · 95693-0211
- Census ID
- 142752
Special district governmentFunctioning
Opal Cliffs Recreation and Park District
PARKS AND RECREATION
- County area
- Santa Cruz
- Contact
- 4150 NOVA DR · SANTA CRUZ, CA · 95062-4514
- Census ID
- 143056
Special district governmentFunctioning
Ophir Hill Fire Protec Dist
LOCAL FIRE PROTECTION
- County area
- Nevada
- Contact
- PO BOX 940 · CEDAR RIDGE, CA · 95924-0940
- Census ID
- 142550
Special district governmentFunctioning
Orange Co Hazard Material Emerg Resp Auth
OTHER SINGLE FUNCTION DISTRICTS
- County area
- Orange
- Contact
- 201 S ANAHEIM BLVD, 3RD FL · ANAHEIM, CA · 92805-3826
- Census ID
- 240350
Special district governmentFunctioning
Orange Co Municipal Water District
WATER SUPPLY UTILITY
- County area
- Orange
- Contact
- 18700 WARD ST · FOUNTAIN VALLEY, CA · 92708-6930
- Census ID
- 100974
Special district governmentFunctioning
Orange Co Sanitation District
SEWERAGE
- County area
- Orange
- Contact
- 10844 ELLIS AVE · FOUNTAIN VALLEY, CA · 92708-7018
- Census ID
- 123411
Special district governmentFunctioning
Orange County Cemetery District
CEMETERIES
- County area
- Orange
- Contact
- 25751 TRABUCO RD · LAKE FOREST, CA · 92630-4348
- Census ID
- 142575
Special district governmentFunctioning
Orange County Council of Governments
OTHER MULTI-FUNCTION DISTRICTS
- County area
- Orange
- Contact
- 550 SOUTH MAIN STREET, PO BOX 14184 · ORANGE, CA · 92863-1584
- Census ID
- 244920
Special district governmentFunctioning
Orange County Fire Authority
LOCAL FIRE PROTECTION
- County area
- Orange
- Contact
- PO BOX 57115 · IRVINE, CA · 92619-7115
- Census ID
- 123404
Special district governmentFunctioning
Orange County Fringe Benefits Authority
OTHER SINGLE FUNCTION DISTRICTS
- County area
- Orange
- Contact
- 2355 CRENSHAW BLVD, STE 200 · TORRANCE, CA · 90505-3329
- Census ID
- 142581
Special district governmentFunctioning
Orange County Integrated Law and Justice Agency
POLICE PROTECTION
- County area
- Orange
- Contact
- 1 CIVIC CENTER CIR · BREA, CA · 92821-5792
- Census ID
- 224416
Special district governmentFunctioning
Orange County Mosquito and Vector Control District
HEALTH
- County area
- Orange
- Contact
- 13001 GARDEN GROVE BLVD · GARDEN GROVE, CA · 92843-2102
- Census ID
- 211914
Special district governmentFunctioning
Orange County Power Authority (ocpa)
ELECTRIC POWER UTILITY
- County area
- Orange
- Contact
- PO BOX 54283 · IRVINE, CA · 92619
- Census ID
- 251866
Special district governmentFunctioning
Orange County Transportation Authority
OTHER MULTI-FUNCTION DISTRICTS
- County area
- Orange
- Contact
- PO BOX 14184 · ORANGE, CA · 92863-1584
- Census ID
- 205980
Special district governmentFunctioning
Orange County Water District
WATER SUPPLY UTILITY
- County area
- Orange
- Contact
- 18700 WARD ST · FOUNTAIN VALLEY, CA · 92708-6930
- Census ID
- 123401
Special district governmentFunctioning
Orange Cove Fire Protection District
LOCAL FIRE PROTECTION
- County area
- Fresno
- Contact
- 550 CENTER ST · ORANGE COVE, CA · 93646-2251
- Census ID
- 142057
Special district governmentFunctioning
Orange Cove Irrigation District
IRRIGATION
- County area
- Fresno
- Contact
- 1130 PARK BLVD · ORANGE COVE, CA · 93646-2236
- Census ID
- 100821
Special district governmentFunctioning
Orange Cove Police Protection Dist
POLICE PROTECTION
- County area
- Fresno
- Contact
- PO BOX 1023 · ORANGE COVE, CA · 93646-1023
- Census ID
- 123240
Special district governmentFunctioning
Orangevale Recreation and Park District
PARKS AND RECREATION
- County area
- Sacramento
- Contact
- 6826 HAZEL AVE · ORANGEVALE, CA · 95662-3445
- Census ID
- 137436
Special district governmentFunctioning
Orchard Dale County Water District
WATER SUPPLY UTILITY
- County area
- Los Angeles
- Contact
- 13819 TELEGRAPH RD · WHITTIER, CA · 90604-2599
- Census ID
- 142276
Special district governmentFunctioning
Ord Community Services District
PARKS AND RECREATION
- County area
- Glenn
- Contact
- 3241 STATE HIGHWAY 45 · GLENN, CA · 95943-9654
- Census ID
- 123261
Special district governmentFunctioning
Orestimba Creek Flood Control District
FLOOD CONTROL
- County area
- Stanislaus
- Contact
- 22130 RIVER RD · CROWS LANDING, CA · 95313
- Census ID
- 143181
Special district governmentFunctioning
Organization of Self Insured Schools
EDUCATION
- County area
- Fresno
- Contact
- 2133 HIGH ST, STE E · SELMA, CA · 93662-3064
- Census ID
- 142074
Special district governmentFunctioning
Orick Community Services District
FIRE PROTECTION AND WATER SUPPLY
- County area
- Humboldt
- Contact
- PO BOX 224 · ORICK, CA · 95555-0224
- Census ID
- 123265
Special district governmentFunctioning
Orland Artois Water District
IRRIGATION
- County area
- Glenn
- Contact
- PO BOX 218 · ORLAND, CA · 95963-0218
- Census ID
- 142111
Special district governmentFunctioning
Orland Cemetery District
CEMETERIES
- County area
- Glenn
- Contact
- PO BOX 424 · ORLAND, CA · 95963-0424
- Census ID
- 142106
Special district governmentFunctioning
Orleans Community Services District
WATER SUPPLY UTILITY
- County area
- Humboldt
- Contact
- PO BOX 303 · ORLEANS, CA · 95556-0303
- Census ID
- 201385
Special district governmentFunctioning
Oro Loma Sanitary District
SEWERAGE
- County area
- Alameda
- Contact
- 2655 GRANT AVENUE · SAN LORENZO, CA · 94580-1838
- Census ID
- 123171
Special district governmentFunctioning
Oro Loma Water District
IRRIGATION
- County area
- Fresno
- Contact
- 264 I ST · LOS BANOS, CA · 93635-4132
- Census ID
- 123233
Source: U.S. Census Bureau, 2025 Government Units Listing. A listed entity is not proof that its board is elected or that the contact field identifies an officeholder.