Riverside-San Bernardino-Ontario, CA

The Riverside-San Bernardino-Ontario metropolitan is located just east of Los Angeles in Southern California. It covers over 27,000 square miles, and is commonly referred to as The Inland Empire.

The Inland Empire consists of two major counties: Riverside County, and San Bernardino county. It is the 13th most populated MSA as well as one of the largest metropolitan areas in the United States. It also has one of the fastest growing populations among metropolitan areas in the country.

Total Population: 4,489,159

(An increase of 6.26 % in the past 5 years.)

Census Data

  • Foreign Born - 911,725
  • Language Spoken at Home - 1,556,170

[Source: American Community Survey (ACS) 5-Year Foreign Born and Language Spoken at Home]

Quick Facts

  • It is Geographically larger than ten states in the U.S.

  • It has a population that is greater than almost half the states in the United States.

  • It is the largest metropolitan statistical area that does not have an individual city with a population over 1 million in the United States.

  • The largest demographic entity in the metropolitan area is Hispanic at 43.2%.

  • Riverside-San Bernardino-Ontario boasts the 5th largest Mexican population in America.

  • San Bernardino County is the largest county in the United States at over 20,000 square miles.

  • Latinos make up 50.5% of the population in San Bernardino county making it the second largest county in the nation with a majority Latino population.

  • Iraqi's constitute the largest refugee group in the Inland Empire.

  • The Riverside-San Bernardino-Ontario MSA has the highest poverty rate among MSA's in the nation.

  • It is one of the fastest growing metropolitan areas over the past decade at 29.8%.


There is not one major city that makes up the majority of the population in the Inland Empire. The largest cities are Riverside, and San Bernardino both of which consist of less than 300,000 people. However, because this metropolitan area is so large, there are 61 cities in total within the boundaries of the Inland Empire.

The Riverside-San Bernardino-Ontario metropolitan area is a very diverse area. It has one of the largest percentages of Hispanics, as well as one of the largest Hispanic populations in the country. In the city of San Bernardino Hispanics are the majority people group at 51%. Although Latinos do not constitute a majority of the total population within the metro area, they have still had a major cultural effect on the city. The area also has a steadily growing Asian population. There has also been a recent influx of Eastern and Southern Asian immigrants as well, making the Inland Empire a melting pot of people groups.

This metropolitan area is the largest in the country, and therefore the people are very spread out. Without one main centralized city, different ethnic groups cluster in smaller cities and towns. This makes identifying and reaching people that much easier. The population of the Inland Empire continues to increase, and as the area becomes more and more demographically diverse, the foreign-born population will continue to grow at an exponential rate.

People Group Highlights

Displaying 1-25 of 56 results.
StatusPG Name Country Of Birth IMB Affinity Group Affinity Bloc Primary Religion Baseline Population Total
Triqui, CopalaMexicoAmerican PeoplesLatin-Caribbean AmericansChristianity - Roman Catholic10
Nahuatl, Tenango MexicoAmerican PeoplesLatin-Caribbean AmericansChristianity - Roman Catholic25
SerranoUnited StatesAmerican PeoplesNorth American PeoplesEthnic Religions175
CahuillaUnited StatesAmerican PeoplesNorth American PeoplesChristianity - Roman Catholic540
Arab, Jordanian (Muslim)JordanNorth African and Middle Eastern PeoplesArab WorldIslam594
Arab, Palestinian (Christian)IsraelNorth African and Middle Eastern PeoplesArab WorldChristianity - Orthodox710
PortuguesePortugalEuropean PeoplesEurasian PeoplesChristianity1,158
Jew, IsraeliIsraelNorth African and Middle Eastern PeoplesJewsEthnic Religions - Judaism1,183
HungarianHungaryEuropean PeoplesEurasian PeoplesChristianity - Roman Catholic1,255
GreekGreeceEuropean PeoplesEurasian PeoplesChristianity - Orthodox1,297
Arab, Syrian (Muslim)SyriaNorth African and Middle Eastern PeoplesArab WorldIslam - Sunni1,333
Arab, Jordanian (Christian)JordanNorth African and Middle Eastern PeoplesArab WorldChristianity - Orthodox1,396
Hmong, WhiteLaosEast Asian PeoplesSoutheast Asian PeoplesEthnic Religions1,600
PolePolandEuropean PeoplesEurasian PeoplesChristianity - Roman Catholic1,604
PanamanianPanamaAmerican PeoplesLatin-Caribbean AmericansChristianity1,661
BelizeanBelizeAmerican PeoplesLatin-Caribbean AmericansChristianity1,742
BrazilianBrazilAmerican PeoplesLatin-Caribbean AmericansChristianity - Other / Marginal1,778
Arab, Palestinian (Muslim)IsraelNorth African and Middle Eastern PeoplesArab WorldIslam1,830
AfghanAfghanistanCentral Asia PeoplesPersian-MedianIslam1,843
JamaicanJamaicaAmerican PeoplesNorth American PeoplesChristianity1,848
Arab, MoroccanMoroccoNorth African and Middle Eastern PeoplesArab WorldIslam - Sunni1,850
ArmenianArmeniaEuropean PeoplesEurasian PeoplesChristianity - Orthodox1,919
PurepechaMexicoAmerican PeoplesLatin-Caribbean AmericansChristianity - Roman Catholic2,000
Costa RicanCosta RicaAmerican PeoplesLatin-Caribbean AmericansChristianity - Roman Catholic2,195
DutchNetherlandsEuropean PeoplesEurasian PeoplesNon-Religious2,300

Ethnic Links

Diversity Data- A good place to find information on the demographic diversity in the area.

The Inland Empire- A good place for facts and information about The Inland Empire.