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The 2022 population estimate for the city of Aurora is 398,018. In the last 50 years, Aurora's population has changed dramatically. We've grown by about 300,000 people during that time period. We are currently the third largest city in Colorado and 51st largest city in the country*.

Source: City of Aurora Planning and Development Services Department 

Population Counts and Porjections

Source: US Census Bureau, Decennial Census 2010; City of Aurora Planning and Development Services Department, **2020 Decennial Census - U.S Census Bureau *City and Town Population Totals: 2020-2021 

Source: US Census Bureau, Annual Estimates of the Resident Population for Incorporated Places in the United States: April 1, 2020 to July 1, 2021 (SUB-IP-EST2021-POP)


Compared to the Metro Area and the State, Aurora is a relatively young community with a high percentage of our population being under the age of 45. The 0-24 and 25-44 year old age groups make up ~247,000 residents or 65% of the city's total population.

Source: U.S Census Bureau 2017-2021 ACS 5-Year Estimates

Race and Ethnicity

Aurora takes pride in its diversity and is among the most diverse cities in Colorado. This can be seen in everything from the global choices in local restaurants and our international connections through the arts, culture and events that celebrate the city's diversity. Aurora is more racially diverse that it has ever been. The charts below show how our racial composition has changed over time. Currently 56% of our residents identify as being White (not Hispanic or Latino) - that number has gone down over the last five years. 

Sources: 2017-2021 ACS 5-Year Estimates


Sources: U.S Census Bureau ACS 5-Year Estimates

What is the difference? Race vs Ethnicity 

Race and ethnicity are social constructs used to identify people. The two categories are often used interchangeably and incorrectly. 
Race refers to a person's physical characteristics. Race is often used to describe someone based on their skin color or other physical attributes.
Ethnicity refers to a group of people that identify with one another based on language, culture, nationality or religion. 

Source: U.S Census Bureau 2017-2021 ACS 5-Year Estimates 

Languages Spoken and Foreign Born Population 

The U.S Census Bureau collects data from all foreign born individuals who participate in its censuses and surveys, regardless of legal status. The foreign born population includes anyone who is not a U.S citizen at birth, including those who become U.S citizens through naturalization. 22% of Aurora residents are foreign-born. The following charts show where they come from. In addition to that, 33% of residents speak another language at home. The charts below display the wide variety of languages spoken throughout the city.