Arapahoe County, Colorado Population 2018

Arapahoe County, Colorado's estimated population is 643,052 with a growth rate of 4.11% in the past year according to the most recent United States census data. Arapahoe County, Colorado is the 3rd largest county in Colorado.

Year Population Growth Growth Rate
2017643,05225,3844.11%
2016617,668-19,281-3.03%
2016636,9498,1151.29%
2015628,83411,4491.85%
2014617,38510,5461.74%
2013606,83911,7451.97%
2012595,09410,1391.73%
2011584,95510,3051.79%
2010574,650183,13946.78%
1990391,51197,89033.34%
1980293,621131,47981.09%
1970162,14248,71642.95%
1960113,42661,301117.60%
195052,12519,97562.13%
194032,1509,50341.96%
193022,6478,88164.51%
192013,7663,50334.13%
191010,263-142,754-93.29%
1900153,01720,88215.80%
1890132,13593,491241.93%
188038,64431,815465.88%
18706,8290.00%

Arapahoe County, Colorado Population Growth

Population Data via

Population by Race

Race Population
White447,507
Black or African American64,110
Some Other Race38,821
Asian34,534
Two or More Races27,901
American Indian and Alaska Native3,497
Native Hawaiian and Other Pacific Islander1,298

Race Data via US Census (2016 ACS 5-Year Survey)

Arapahoe County, Colorado Population Pyramid 2018

0%2%4%6%8% Male Population0%2%4%6%8% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Arapahoe County, Colorado Median Age

36.3


Total

35.2


Male

37.5


Female

Arapahoe County, Colorado Adults

There are 466,339 adults, (72,885 of which are seniors) in Arapahoe County, Colorado.

Arapahoe County, Colorado Age Dependency

57.1

Age Dependency Ratio

18.6

Old Age Dependency Ratio

38.5

Child Dependency Ratio

Arapahoe County, Colorado Sex Ratio

Female

313,736

50.79%

Male

303,932

49.21%

Arapahoe County, Colorado Households and Families

Arapahoe County, Colorado Renter vs Owner Occupied by Household Type

Arapahoe County, Colorado Household Types

Type Owner Renter
Married77.1%22.9%
All62.2%37.8%
Non Family49%51%
Male47.2%52.8%
Female43.6%56.4%

62.2%

Rate of Home Ownership

Arapahoe County, Colorado Households by Type

Type Count Average Size Owned
All231,8442.6462.2
Married114,8433.3277.1
Non Family78,2891.2949
Female26,8053.3643.6
Male11,9073.3447.2

3.23

Average Family Size

2.64

Average Household Size

5.5%

Unmarried (Opposite Sex)

0.5%

Unmarried (Same Sex)

Arapahoe County, Colorado Households

Arapahoe County, Colorado Education

Arapahoe County, Colorado Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade13,6443.30%
9th to 12th Grade18,1014.38%
High School Graduate85,12520.60%
Some College92,42322.37%
Associates Degree35,6288.62%
Bachelors Degree108,42826.24%
Graduate Degree59,87814.49%

Arapahoe County, Colorado Educational Attainment by Race

Name Total High School Bachelors
White280,552271,860132,625
Hispanic60,07643,72110,170
Black39,52836,55710,137
Asian23,59720,26011,788
Other Race20,69314,3802,398
Multiple Races10,89810,0533,725
Native American2,2111,842447
Islander778740282

The highest rate of high school graduation is among white people with a rate of 96.90%.

The highest rate of bachelors degrees is among white people with a rate of 49.96%.

Arapahoe County, Colorado Earnings by Educational Attainment

Name Average Male Female
Overall$40,792$46,400$35,438
Less Than High School$23,838$26,768$18,044
High School Grad$31,162$34,817$26,356
Some College$36,597$41,556$32,240
Bachelors Degree$51,464$61,592$42,461
Graduate Degree$69,845$86,266$56,834

$40,792

Average Earnings

$46,400

Average Male

$35,438

Average Female

Arapahoe County, Colorado Language

Arapahoe County, Colorado Language by Age

Arapahoe County, Colorado Language

77.60% of Arapahoe County, Colorado residents speak only English, while 22.40% speak other languages. The largest non-English language is Spanish, which is spoken by 12.02% of the population.

Arapahoe County, Colorado Poverty

Arapahoe County, Colorado Poverty by Race

Name Total In Poverty Poverty Rate
White379,16324,6176.49%
Hispanic113,99622,14119.42%
Black63,31711,69318.47%
Other38,5829,54824.75%
Multiple27,5173,83813.95%
Asian34,4303,65610.62%
Native3,42366119.31%
Islander1,29222117.11%

10.68%

Overall Poverty Rate

9.84%

Male Poverty Rate

11.50%

Female Poverty Rate

Poverty in Arapahoe County, Colorado

The race most likely to be in poverty in Arapahoe County, Colorado is Other, with 24.75% below the poverty level.

The race least likely to be in poverty in Arapahoe County, Colorado is White, with 6.49% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.29%. Among those working part-time, it was 15.09%, and for those that did not work, the poverty rate was 16.96%.

Arapahoe County, Colorado Poverty Rate by Education

Name Poverty
Less Than High School24.77%
High School11.35%
Some College8.43%
Bachelors or Greater4.21%

Arapahoe County, Colorado Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed27.43%
Male Unemployed25.00%
Female Employed6.34%
Male Employed5.11%

Arapahoe County, Colorado Income

Arapahoe County, Colorado Income by Household Type

Name Median Mean
Households$66,288$91,236
Families$80,002$107,388
Married Families$94,626$123,918
Non Families$43,163$55,764

Arapahoe County, Colorado Marital Status

Arapahoe County, Colorado Marital Status

Marriage Rates

50.4%

Overall Marriage Rate

51.9%

Male Marriage Rate

49.0%

Female Marriage Rate

Arapahoe County, Colorado Married by Age and Sex

Arapahoe County, Colorado Marriage

The age group where males are most likely to be married is Over65, while the female age group most likely to be married is 45To54.

Arapahoe County, Colorado Marital Status by Race

Arapahoe County, Colorado Veterans

Arapahoe County, Colorado Veterans by War

40,442

Number of Veterans

36,087

Male Veterans

4,355

Female Veterans

Name Veterans
Vietnam14,825
First Gulf War10,461
Second Gulf War8,022
Korea2,862
World War II1,820

Arapahoe County, Colorado Veterans by Age

Name Veterans
35 to 5411,305
65 to 749,076
55 to 648,202
75+7,324
18 to 344,535

Arapahoe County, Colorado Veterans by Race

Name Veterans % of Total
White32,8069.39%
Black4,70010.29%
Hispanic3,5774.91%
2 or More9566.52%
Other9123.59%
Asian6572.51%
Indian31612.26%
Hawaiian9511.06%

Arapahoe County, Colorado Veterans by Education

5.06%

Veteran Poverty Rate

22.02%

Veteran Disability Rate

Arapahoe County, Colorado Employment Status

Arapahoe County, Colorado Employment by Age

71%

Labor Force Participation

66.4%

Employment Rate

6%

Unemployment Rate

Arapahoe County, Colorado Employment by Race

Arapahoe County, Colorado Employment by Education

Population of Cities in Arapahoe County, Colorado

City 2010 Census 2016 Estimated Growth Growth Rate
Aurora 3246843617103702611.40%
Centennial10108210993288508.76%
Littleton 4165146333468211.24%
Englewood3025534050379512.54%
Greenwood Village1392115749182813.13%
Cherry Hills Village598765855989.99%
Sheridan566460413776.66%
Glendale4318519787920.36%
Bennett 230524881837.94%
Columbine Valley1256140615011.94%
Bow Mar 8669659911.43%
Foxfield7147927810.92%
Deer Trail54668113524.73%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990