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Ontario, California Map and Directory


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San Bernardino County, California locator map According to the United States Census Bureau, Ontario is a City that is located in San Bernardino County, California at 34.06 degrees North and 117.65 degrees West.  The city's time zone is America/Los Angeles, and the city's primary telephone area code is 909.  The land area of Ontario is about 49.93 square miles, whereas the water area of the city is about 0.06 square miles.  San Bernardino County's land area is about 20,057 square miles, so the city occupies about 0.2 percent of the county's total land area.

The Census Bureau estimates that Ontario had about 185,010 residents in 2019, which is approximately 3,705 people per square mile of land area. 

According to recent American Community Survey data, the median household income in Ontario was about $65,046 per year. 

The California counties map at upper right shows San Bernardino County, highlighted in red.  Use the menu below to display interactive maps of Ontario, either in a frame on this page or in full-screen mode. 

Use the menu below to display categorized Ontario directories. 

Ontario Products and Services Directory

Selected Ontario, California Listings

These randomly selected Ontario listings provide some insight into the city's cultural environment and economic climate.

A R Animal Hospital
  • Veterinarians
  • Animal Hospitals
  • Emergency Services Veterinarians
  • Surgery Veterinarians
  • Dentistry Veterinarians
  • Computer & Equipment Dealers
  • Electronic Equipment & Supplies Retail
Empire Printing & Publishing
  • Printing Services
  • Commercial Printing
  • Computer Printers
  • Computer Supplies, Parts & Accessories
General Outdoor Advertising
  • Advertising
  • Art Galleries & Dealers
  • Outdoor Advertising & Billboards
  • Decorative & Art Posters
GYL Decauwer LLP - John Lerias CPA
  • Accountants
  • Certified Public Accountants
  • Tax Return Preparation
Ignite Design & Advertising Inc
  • Advertising Agencies & Consultants
Knight Industrial Supply Inc
  • Home Improvement Stores
  • Hardware Dealers
Law Offices of Hafif & Associates, LLP
  • Personal Injury Attorneys
  • Criminal Law Attorneys
Merchants Bookkeeping
  • Accounting, Auditing & Bookkeeping Services
  • Tax Return Preparation
  • Bookkeeping Services
Molding's Plus Inc
  • Building Materials & Supplies Wholesale & Manufacturers
  • Moldings Wholesale & Manufacturers
Ontario Bakery
  • Caterers
  • Bakeries
Ophthalmic Innovations INTL
  • Medical Equipment & Supplies Retail
  • Optical Goods Retail
  • Opticians
Portable Storage CO
  • Movers
  • Household Goods & Furniture Storage
Reed Printing
  • Printing Services
  • Commercial Printing
  • Computer Printers
  • Computer Supplies, Parts & Accessories
Rogers Flowershop
  • Banquet Facilities
Star Bright Dental
  • Dentists
Table de France
  • Bakeries
  • Baked Goods Wholesale & Manufacturers

Nearby California Cities and Towns *

* Parenthesized numbers indicate economic activity levels.

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