Welcome to Riverside ...

The city of Riverside is located in Riverside County<1> and is the County Seat for Riverside County.

While we don't have a date for the founding of Riverside, you might consider that their post office opened  in 1871.

The city was incorporated October 11, 1883.

When the people of Riverside refer to themselves (known as a demonym), they frequently use Riversider<2>

From the  Census Estimates for 2019, Riverside has a population of 329,785 people<3> (see below for details).

Riverside is 880 feet [268 m] above sea level.<4>.

Time Zone: Riverside lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time

The area code for Riverside: (951)

The ZIP codes for Riverside: 92501-92509, 92513-92519, 92521-92522<5>

Websites for Riverside ...

Official Website:   www.riversideca.gov/

Chamber of Commerce:   www.riverside-chamber.com/

Junior League:   www.juniorleagueofriverside.com/

Population Details ...

Taken from the 2019 Census Estimates, Riverside had an population of 329,785 people. This is an increase of 8.53% since the 2010 Census (or an increase of 29.24% since the 2000 Census).

At the time of the 2010 Census, Riverside had a population of 303,871 people (or 13.88% of the total population of Riverside County). This makes Riverside the county's most populous community.

The population of Riverside represents 0.82% of the total population of California (which has 37,253,956 people), making it the state's 12th most populous community.

With a 2010 count of 303,871 people, the population of Riverside increased 19.09% from the 2000 Census (which had a count of 255,166 people).

More information can be found on the Census Page for Riverside.

Communities Also Named Riverside ...

While we believe that this Riverside is located in Riverside County, we know of another 5 California communities named Riverside. Those communities are located in the following counties: Humboldt, Orange, Sacramento, San Bernardino and Stanislaus County.

Beyond California, there are 195 communities that are also named Riverside - they are located in Alabama (4), Arizona, Arkansas (4), British Columbia, Colorado (3), Connecticut (3), Delaware, Florida (6), Georgia (9), Idaho (4), Illinois, Indiana (5), Iowa (2), Kansas (5), Kentucky (3), Maine, Manitoba, Maryland (4), Massachusetts (6), Michigan (3), Minnesota (3), Mississippi (2), Missouri (5), Montana (6), Nebraska (3), Nevada (2), New Brunswick, New Hampshire (2), New Jersey (6), New Mexico (5), New York (7), North Carolina (5), North Dakota, Nova Scotia (4), Ohio (3), Oklahoma, Ontario (7), Oregon (4), Pennsylvania (5), Rhode Island, South Carolina (4), South Dakota (2), Tennessee (9), Texas (3), Utah (4), Vermont (3), Virginia (7), Washington (6), West Virginia (7), Wisconsin (3) and Wyoming (2).

For more information, see our Tidbits & Trivia Page for Riverside.

Communities near Riverside ...

We have created a list of 10 communities that are near Riverside.

• San Bernardino
  (11 miles [17.7 km] to the northeast)
  • Jump to our Gazetteer entry for San Bernardino
  • San Bernardino is located in San Bernardino County
  • Population from the 2020 Census: 217,491 people
  • Jump to TripAdvisor's Tourism page for San Bernardino <6>
• Fontana
  (10 miles [16.1 km] to the north)
  • Jump to our Gazetteer entry for Fontana
  • Fontana is located in San Bernardino County
  • Population from the 2020 Census: 216,173 people
  • Jump to TripAdvisor's Tourism page for Fontana <6>
• Moreno Valley
  (9 miles [14.5 km] to the east)
  • Jump to our Gazetteer entry for Moreno Valley
  • Moreno Valley is located in Riverside County
  • Population from the 2020 Census: 212,349 people
  • Jump to TripAdvisor's Tourism page for Moreno Valley <6>
• Ontario
  (16 miles [25.7 km] to the northwest)
  • Jump to our Gazetteer entry for Ontario
  • Ontario is located in San Bernardino County
  • Population from the 2020 Census: 183,393 people
  • Jump to TripAdvisor's Tourism page for Ontario <6>
• Rancho Cucamonga
  (14 miles [22.5 km] to the northwest)
  • Jump to our Gazetteer entry for Rancho Cucamonga
  • Rancho Cucamonga is located in San Bernardino County
  • Population from the 2020 Census: 178,849 people
  • Jump to TripAdvisor's Tourism page for Rancho Cucamonga <6>
• Corona
  (11 miles [17.7 km] to the southwest)
  • Jump to our Gazetteer entry for Corona
  • Corona is located in Riverside County
  • Population from the 2020 Census: 170,996 people
  • Jump to TripAdvisor's Tourism page for Corona <6>
• Rialto
  (10 miles [16.1 km] to the north)
  • Jump to our Gazetteer entry for Rialto
  • Rialto is located in San Bernardino County
  • Population from the 2020 Census: 104,132 people
  • Jump to TripAdvisor's Tourism page for Rialto <6>
• Chino
  (17 miles [27.4 km] to the west)
  • Jump to our Gazetteer entry for Chino
  • Chino is located in San Bernardino County
  • Population from the 2020 Census: 92,290 people
  • Jump to TripAdvisor's Tourism page for Chino <6>
• Perris
  (14 miles [22.5 km] to the southeast)
  • Jump to our Gazetteer entry for Perris
  • Perris is located in Riverside County
  • Population from the 2020 Census: 79,011 people
  • Jump to TripAdvisor's Tourism page for Perris <6>
• Chino Hills
  (19 miles [30.6 km] to the west)
  • Jump to our Gazetteer entry for Chino Hills
  • Chino Hills is located in San Bernardino County
  • Estimated population in 2015: 78,309 people
  • Jump to TripAdvisor's Tourism page for Chino Hills <6>

To Help With Your Genealogy Research ...

We have a couple of sections for those tracing their genealogy.

We created a list of cemeteries that are in the area around Riverside. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Riverside.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Riverside. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around Riverside.

We also have a detailed list of newspapers that have been published in the area around Riverside. Our list includes 58 papers. See our Newspapers Page for Riverside.

TripAdvisor Tourism Pages for Riverside ...

Looking for more information about Riverside? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.

In addition to the Tourism page for Riverside, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Riverside.

Adding Riverside to Our Gazetteer ...

We originally found mention of Riverside in both the FIPS-55 and the GNIS. For more information, see the FIPS and GNIS Codes sections on our Miscellaneous Page.

From our notes, the earliest published mention we've found for Riverside was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<7>

From that list, the Riverside post office opened in 1871.

We also found Riverside in the book titled Business Atlas and Shippers' Guide (1895).

For more details, see References and Mentions for Riverside.

Off-the-Road Links ...

The official website for Riverside: www.riversideca.gov/

The official website for Riverside County: www.co.riverside.ca.us/

The official website for State of California: https://www.ca.gov/