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Sources and photo credits

Open a section for its sources, creators and license details.

Wikimedia Commons city photographs

Each photograph has an individual creator, source and reuse license, listed here and in the footer of the city photo wall. Displayed images may be resized or cropped. Daily rotation does not imply a new capture date.

Campus photographs

Campus photographs may be resized or cropped for display.

Day-trip photographs

Nearby destination photographs are dated views, not current conditions. Each source, creator, license, recorded capture date and resize notice is listed below.

Citywide facts

Citywide facts

These figures describe the city, independently of the listings in our directory. Source periods differ; they are not live totals.

  • 174,453 · Residents

    City population count or estimate for the stated Census period.

    U.S. Census Bureau · 2020 Census · Source checked 2026-09-13.
  • 1977 · City incorporated

    Year of municipal incorporation.

    City of Rancho Cucamonga · City history · Source checked 2026-09-13.
  • San Bernardino · County

    Rancho Cucamonga is in San Bernardino County.

    City of Rancho Cucamonga · City location · Source checked 2026-09-13.
  • Pacific · Local time zone

    Pacific Time; daylight saving changes are reflected in local displays.

    City of Rancho Cucamonga · Geographic setting · Source checked 2026-09-13.
Homepage photograph and motion

Homepage photograph and motion

Sunset on Cucamonga Peak north of Rancho Cucamonga. Photograph by Ron Reiring, via Wikimedia Commons, under CC BY-SA 2.0. Cropped and resized for responsive display with a gentle animated zoom. This is a photograph, not a live camera or filmed activity. The adaptation retains the source license.

Photography

Cucamonga Service Station; source date 2018-07-21 08:16:04 by Einbierbitte. Original photograph on Wikimedia Commons, licensed under CC BY-SA 4.0. Resized and animated for this guide. This is a motion adaptation of a photograph, not live video. The creator does not endorse this guide.

Business photographs come from linked Google Maps, Restaurantji, Loc8NearMe and museum sources. Each photograph keeps its source credit; copyright remains with its respective rights holder. The initial directory includes one available source photograph per listing. Owners have not necessarily supplied or endorsed these listings. Contact us about an image.

Business information

Listing identities and addresses were checked against the linked business or directory sources on September 13, 2026. Confirm current opening hours and visitor details directly with the business.

Google ratings and reviews

Ratings shown on business profiles are dated snapshots from the linked source, not live ratings. Visitor reviews submitted here are shown separately.

Automatic community data

AQI comes from AirNow’s reporting-area file, using the nearby Central San Bernardino regional reporting area. This is a regional report, not a monitor on your street.

Rancho Cucamonga is inland. Regional outdoor conditions offer ideas for a day outdoors.

Road closures come from the Caltrans Lane Closure System, retrieved every 15 minutes and filtered to Rancho Cucamonga-area highway approaches. These reports are not live traffic speeds or arrival-time estimates. Caltrans conditions of use. No endorsement by these agencies is implied.

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