Centennial, Colorado Population 2020

112,151

Centennial is a city located in Arapahoe County, Colorado. With a 2020 population of 112,151, it is the 10th largest city in Colorado and the 272nd largest city in the United States. Centennial is currently growing at a rate of 0.59% annually and its population has increased by 11.73% since the most recent census, which recorded a population of 100,377 in 2010. Spanning over 30 miles, Centennial has a population density of 3,792 people per square mile.

The average household income in Centennial is $128,624 with a poverty rate of 3.67%. The median rental costs in recent years comes to $1,679 per month, and the median house value is $398,700. The median age in Centennial is 41.2 years, 39.4 years for males, and 42.7 years for females. For every 100 females there are 100.4 males.

Centennial Co Demographics

According to the most recent ACS, the racial composition of Centennial Co was:

  • White: 86.63%
  • Asian: 5.08%
  • Two or more races: 3.21%
  • Black or African American: 2.67%
  • Other race: 1.96%
  • Native American: 0.34%
  • Native Hawaiian or Pacific Islander: 0.12%
The current population of Centennial, Colorado is 112,151, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 110,831. The last official US Census in 2010 recorded the population at 100,377.

Population by Race

Race Population Percentage
White94,86786.63%
Asian5,5595.08%
Two or More Races3,5103.21%
Black or African American2,9212.67%
Some Other Race2,1461.96%
American Indian and Alaska Native3740.34%
Native Hawaiian and Other Pacific Islander1280.12%

Centennial Co Population Pyramid 2020

Centennial Co Median Age

41.2


Total

39.4


Male

42.7


Female

Centennial Co Adults

There are 83,984 adults, (16,191 of whom are seniors) in Centennial Co.

Centennial Co Age Dependency

61.5

Age Dependency Ratio

23.9

Old Age Dependency Ratio

37.6

Child Dependency Ratio

Centennial Co Sex Ratio

Female

54,636

49.89%

Male

54,869

50.11%

Centennial Co Households and Families

Centennial Co Renter vs Owner Occupied by Household Type

Centennial Co Household Types

Type Owner Renter
Married89.7%10.3%
All82.5%17.5%
Female70%30%
Non Family69.9%30.1%
Male69.1%30.9%

82.5%

Rate of Home Ownership

Type Count Average Size Owned
All39,7012.7182.5
Married25,3203.1889.7
Non Family9,7051.3369.9
Female2,9453.1270
Male1,7312.9669.1

3.1

Average Family Size

2.71

Average Household Size

3.8%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

Centennial Co Education

Education Attained Count Percentage
Less Than 9th Grade6890.90%
9th to 12th Grade1,2141.59%
High School Graduate10,53213.78%
Some College14,25018.64%
Associates Degree5,8347.63%
Bachelors Degree27,02935.36%
Graduate Degree16,89422.10%

Centennial Co Educational Attainment by Race

Name Total High School Bachelors
White63,29062,46837,612
Hispanic6,0685,5012,102
Asian3,8003,5112,493
Black1,8261,663893
Other Race1,4341,378517
Multiple Races1,3841,327750
Native American245232112
Islander707056

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among islander people with a rate of 80.00%.

Name Average Male Female
Overall$57,874$69,229$47,498
Less Than High School$36,250$49,574$26,635
High School Grad$37,425$41,418$31,842
Some College$47,323$54,596$39,191
Bachelors Degree$66,875$86,093$50,210
Graduate Degree$77,913$98,682$65,754

$57,874

Average Earnings

$69,229

Average Male

$47,498

Average Female

Centennial Co Language

Centennial Co Language by Age

Centennial Co Language

87.75% of Centennial Co residents speak only English, while 12.25% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 4.15% of the population.

Centennial Co Poverty

Centennial Co Poverty by Race

Name Total In Poverty Poverty Rate
White86,5372,7483.18%
Hispanic9,5166566.89%
Asian5,5542965.33%
Black2,6701856.93%
Multiple3,443992.88%
Other2,037321.57%

3.67%

Overall Poverty Rate

3.47%

Male Poverty Rate

3.87%

Female Poverty Rate

Poverty in Centennial Co

The race most likely to be in poverty in Centennial Co is Black, with 6.93% below the poverty level.

The race least likely to be in poverty in Centennial Co is Other, with 1.57% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.73%. Among those working part-time, it was 4.84%, and for those that did not work, the poverty rate was 8.47%.

Name Poverty
Less Than High School11.94%
Some College4.90%
High School4.73%
Bachelors or Greater2.23%
Name Poverty
Female Unemployed16.34%
Male Unemployed8.87%
Female Employed2.47%
Male Employed1.36%

Centennial Co Income

Centennial Co Income by Household Type

Name Median Mean
Households$105,974$128,624
Families$119,700$143,784
Married Families$128,446-
Non Families$61,764$76,510

Centennial Co Marital Status

Centennial Co Marital Status

Marriage Rates

59.9%

Overall Marriage Rate

60.6%

Male Marriage Rate

59.1%

Female Marriage Rate

Centennial Co Married by Age and Sex

Centennial Co Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Centennial Co Marital Status by Race

Centennial Co Veterans

6,806

Number of Veterans

6,043

Male Veterans

763

Female Veterans

War Veterans
Vietnam2,636
First Gulf War1,645
Second Gulf War1,126
Korea422
World War II324
Name Veterans % of Total
White6,1808.37%
Hispanic3655.25%
Black28013.10%
Asian1343.17%
2 or More945.31%
Other724.69%
Indian3913.83%
Hawaiian79.59%

$Centennial Co Veterans by Education

1.47%

Veteran Poverty Rate

16.32%

Veteran Disability Rate

Centennial Co Employment Status

70.3%

Labor Force Participation

67.8%

Employment Rate

3.4%

Unemployment Rate

Centennial Co Place of Birth

Origin of Non-Citizens

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

40.87%

Born in Colorado

90.99%

Native Born

9.01%

Foreign Born

3.73%

Non Citizen

Place of Birth

90.99% of Centennial Co residents were born in the United States, with 40.87% having been born in Colorado. 3.73% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Year Population Growth Annual Growth Rate
2020112,1516600.59%
2019111,4916600.60%
2018110,8313780.34%
2017110,4536600.60%
2016109,7936230.57%
2015109,1701,6921.57%
2014107,4788110.76%
2013106,6672,4012.30%
2012104,2661,7561.71%
2011102,5101,5201.51%
2010100,9900.00%