Arapahoe County, Colorado Population 2023

679,991

Arapahoe County, Colorado's estimated 2023 population is 679,991 with a growth rate of 1.24% in the past year according to the most recent United States census data. Arapahoe County, Colorado is the 3rd largest county in Colorado. The 2010 population was 572,003 and has seen a growth of 18.88% since that time.

Note: data after 2021 is projected based on recent change
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Arapahoe County, Colorado Population 2023

Population by Race

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White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Arapahoe County, Colorado Population by Race

Arapahoe County, Colorado Population Pyramid 2023

Arapahoe County, Colorado Median Age

36.8

Total

35.6

Male

38.1

Female

Arapahoe County, Colorado Adults

There are 497,160 adults, (85,418 of whom are seniors) in Arapahoe County, Colorado.

Arapahoe County, Colorado Age Dependency

57.9

Age Dependency Ratio

20.7

Old Age Dependency Ratio

37.1

Child Dependency Ratio

Arapahoe County, Colorado Sex Ratio

Female327,71650.42%
Male322,26449.58%

Arapahoe County, Colorado Population by Age

Arapahoe County, Colorado Renter vs Owner Occupied by Household Type

3.28

Average Family Size

2.66

Average Household Size

64.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Arapahoe County, Colorado Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Arapahoe County, Colorado Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among white people with a rate of 85.86%.

The highest rate of bachelors degrees is among white people with a rate of 45.28%.

Arapahoe County, Colorado Educational Attainment by Race

All

Male

Female

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$46,756

Average Earnings

$52,576

Average Male

$40,940

Average Female

Arapahoe County, Colorado Earnings by Educational Attainment

Arapahoe County, Colorado Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Arapahoe County, Colorado Language

76.68% of Arapahoe County, Colorado residents speak only English, while 23.32% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 12.21% of the population.

Arapahoe County, Colorado Language

Arapahoe County, Colorado Poverty by Race

rate

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9.54%

Overall Poverty Rate

7.2%

Male Poverty Rate

8.31%

Female Poverty Rate

Poverty in Arapahoe County, Colorado

The race most likely to be in poverty in Arapahoe County, Colorado is Other, with 19.19% below the poverty level.

The race least likely to be in poverty in Arapahoe County, Colorado is White, with 6.19% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.67%. Among those working part-time, it was 11.24%, and for those that did not work, the poverty rate was 14.09%.

Arapahoe County, Colorado Poverty

rate

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Arapahoe County, Colorado Poverty Rate by Education

rate

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Arapahoe County, Colorado Poverty Rate by Employment Status and Sex

Arapahoe County, Colorado Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Arapahoe County, Colorado Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

50.1%

Overall Marriage Rate

51.4%

Male Marriage Rate

48.7%

Female Marriage Rate

Arapahoe County, Colorado Married by Age and Sex

male

female

Arapahoe County, Colorado 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.

Arapahoe County, Colorado Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Arapahoe County, Colorado Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

38,183

Number of Veterans

33,892

Male Veterans

4,291

Female Veterans

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Arapahoe County, Colorado Veterans by War

count

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Arapahoe County, Colorado Veterans by Age

count

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Arapahoe County, Colorado Veterans by Race

Arapahoe County, Colorado Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.77%

Veteran Poverty Rate

23.79%

Veteran Disability Rate

Arapahoe County, Colorado Veterans by Education

LaborForceParticipation

71.3%

Labor Force Participation

67.8%

Employment Rate

4.4%

Unemployment Rate

Arapahoe County, Colorado Employment by Age

LaborForceParticipation

Arapahoe County, Colorado Employment by Race

LaborForceParticipation

Arapahoe County, Colorado Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

40.4%

Born in Arapahoe County, Colorado

84.02%

Native Born

15.2%

Foreign Born

8.14%

Non Citizen

7.07%

Naturalized

Place of Birth

84.02% of Arapahoe County, Colorado residents were born in the United States, with 40.4% having been born in Colorado. 8.14% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Arapahoe County, Colorado Place of Birth

Sources