Aurora, CO Profile: Facts & Data


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Aurora, Colorado - Basic Facts

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The City of Aurora is the 3rd largest city in Colorado with a population of 370,647 as of July 1, 2018. Aurora ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Colorado. See peer rankings below.

The primary coordinate point for Aurora is located at latitude 39.688 and longitude -104.6897 in Adams County. The formal boundaries for the City of Aurora (see map below) encompass a land area of 153.83 sq. miles and a water area of 0.68 sq. miles. Adams County is in the Mountain time zone (GMT -7). The elevation is 5,403 feet.

While the primary coordinates for City of Aurora are located in Adams County, it should be noted that the formal boundaries for this community also extend into and Arapahoe County.

The City of Aurora (GNIS ID: ) has a P1 Census Class Code which indicates populated place that is also an incorporated place with the same name and the same census code. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Colorado is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Aurora is located within East Arapahoe Division of Adams County.

Beneath the boundary map are tables with Aurora population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2018.

Alternate Unofficial Names for Aurora: Fletcher.

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Aurora, CO Data & Demographics (As of July 1, 2018)


Total Population 370,647
Population in Households 368,103
Population in Familes 297,528
Population in Group Qrtrs 2,544
Population Density1 2,410
Diversity Index2 78


Median Household Income $57,905
Average Household Income $77,034
Per Capita Income $28,646


Total Housing Units 143,544 (100%)
Owner Occupied HU 80,116 (55.8%)
Renter Occupied HU 56,933 (39.7%)
Vacant Housing Units 6,494 ( 4.5%)
Median Home Value $236,568
Average Home Value $278,995


Total Households 137,050
Average Household Size 2.69
Family Households 89,479
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 1.6% 1.46%
Households 1.42% 1.38%
Families 1.43% 1.37%
Median Household Income   2.57%
Per Capita Income   2.53%

Aurora, CO - Peer Comparisons by Rank and Percentile

The table below compares Aurora to the other 458 incorporated cities, towns and CDPs in Colorado by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 3 100th
Population Density # 58 88th
Diversity Index # 7 99th
Median Household Income # 210 54th
Per Capita Income # 241 48th

Additional comparisons and rankings can be made with a VERY EASY TO USE Colorado Census Data Comparison Tool.

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Colorado Census Data Comparison Tool

Compare Colorado July 1, 2018 Data
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