COUNTY · 1990 CENSUS

Arapahoe County

Colorado · 391,511 residents · 798 sq mi

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The short version

With 391,511 people, Arapahoe County is a county in Colorado. 35% of adults hold a bachelor's degree, against 20% nationally. That is roughly 24% ahead of the Colorado median. Poverty is uncommon here, at 5.9% of residents. There are 96,456 fewer people here than in 2000. The median household earns $37,234, about 24% above the national median.

At a glance

Wealthier

above the US median

US median: $30,130

Mid-age

median age 32.5

US median: 33.0

More educated

35% hold a bachelor's degree

US average: 20%

More affordable

home values down 27%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

391,511

−20%vs 2000

vs 487,967 in 2000

1990 – 2025

Median age

32.5

−6%vs 2000

vs 34.5 in 2000

US average: 33.0

Land area

798 sq mi

Population, 1990 – 2024

2024660K

Age distribution, 1990

Under 57.9%(31,018)

US avg: 7.3%

5 to 97.8%(30,530)

US avg: 7.3%

10 to 147.3%(28,448)

US avg: 6.9%

15 to 196.6%(25,708)

US avg: 7.1%

20 to 246.1%(23,891)

US avg: 7.5%

25 to 3419.5%(76,312)

US avg: 17.5%

35 to 4419.2%(75,229)

US avg: 15.1%

45 to 5411.3%(44,229)

US avg: 10.2%

55 to 646.9%(27,113)

US avg: 8.5%

65 to 744.8%(18,841)

US avg: 7.3%

75 to 842%(7,804)

US avg: 4%

85 and over0.6%(2,388)

US avg: 1.2%

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Section 02

Income & economy

Median household income

$37,234

−8%inflation adjusted, since 2000

vs $53,570 in 2000

US average: $30,130

1990 – 2024

Per capita income

$18,777

−33%vs 2000

vs $28,147 in 2000

US average: $14,340

Poverty rate

5.9%

+0.1 ptsvs 2000

vs 5.8% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$92,500

−27%inflation adjusted, since 2000

vs $166,000 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$463

−17%inflation adjusted, since 2000

vs $735 in 2000

US average: $450

Owner-occupied

63.6%

−4.4 ptsvs 2000

vs 68.0% in 2000

36.4% rent

Section 04

Race & ethnicity

2000

White, non-Hispanic73.9%(360,744)

Black7.4%(36,254)

Hispanic / Latino11.8%(57,612)

Asian3.9%(19,021)

Other0%

1990

White, non-Hispanic89.3%(349,615)

Black5.8%(22,897)

Hispanic / Latino5.5%(21,711)

Asian2.8%(11,145)

Other2%(7,854)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin

Mexican14.7%(97,036)

Central American1.7%(10,896)

South American1.6%(10,231)

Puerto Rican1%(6,596)

Spaniard0.7%(4,433)

Salvadoran0.6%(3,687)

Honduran0.5%(3,616)

Venezuelan0.4%(2,827)

Cuban0.4%(2,754)

Colombian0.4%(2,470)

Peruvian0.4%(2,458)

Guatemalan0.3%(2,132)

+ 10 more hispanic origin groups with data

Chilean0.1%(819)

Nicaraguan0.1%(805)

Dominican0.1%(760)

Ecuadorian0.1%(679)

Argentine0.1%(677)

Panamanian0.1%(384)

Costa Rican0%(258)

Bolivian0%(170)

Paraguayan0%(64)

Uruguayan0%(32)

Asian origin

Asian Indian1.3%(8,807)

Chinese0.9%(5,695)

Korean0.8%(5,460)

Vietnamese0.8%(5,381)

Filipino0.5%(3,479)

Japanese0.2%(1,317)

Nepalese0.1%(966)

Burmese0.1%(941)

Bhutanese0.1%(845)

Indonesian0.1%(820)

Kazakh0.1%(811)

Thai0.1%(584)

+ 12 more asian origin groups with data

Cambodian0.1%(548)

Pakistani0.1%(527)

Laotian0.1%(474)

Taiwanese0.1%(432)

Bangladeshi0%(276)

Mongolian0%(254)

Singaporean0%(98)

Hmong0%(88)

Malaysian0%(42)

Sri Lankan0%(39)

Uzbek0%(22)

Okinawan0%(8)

Pacific Islander origin

Native Hawaiian0.2%(1,271)

Chuukese0.1%(467)

Chamorro0.1%(409)

Samoan0.1%(363)

Tongan0%(199)

Marshallese0%(139)

Guamanian0%(81)

Ancestry

German15.4%(101,624)

English10.9%(72,021)

Irish10.3%(67,961)

Italian4%(26,064)

American3.1%(20,495)

Subsaharan African3%(19,765)

French2.1%(14,095)

Scottish2.1%(13,764)

Polish2%(12,935)

Swedish1.7%(11,164)

Norwegian1.6%(10,864)

Dutch1.2%(7,781)

+ 51 more ancestry groups with data

Ethiopian1.1%(7,337)

Russian1.1%(7,050)

Arab1%(6,380)

Scotch-Irish0.9%(6,147)

Welsh0.7%(4,289)

Danish0.5%(3,535)

British0.5%(3,278)

Czech0.5%(3,143)

Greek0.4%(2,643)

Ukrainian0.4%(2,599)

Hungarian0.3%(2,300)

French Canadian0.3%(2,143)

West Indian0.3%(2,027)

Swiss0.3%(1,954)

Canadian0.3%(1,926)

Portuguese0.3%(1,878)

Austrian0.3%(1,827)

Ghanaian0.2%(1,620)

Jamaican0.2%(1,168)

Nigerian0.2%(1,149)

Slovak0.2%(1,129)

Finnish0.2%(1,103)

Iranian0.2%(1,094)

Moroccan0.2%(1,075)

Somali0.2%(1,014)

Lebanese0.1%(947)

Lithuanian0.1%(930)

Romanian0.1%(903)

Iraqi0.1%(873)

Croatian0.1%(788)

Palestinian0.1%(763)

Armenian0.1%(749)

Brazilian0.1%(712)

Belgian0.1%(644)

Bulgarian0.1%(617)

Serbian0.1%(540)

Slovene0.1%(441)

Kenyan0.1%(349)

Egyptian0%(308)

Israeli0%(285)

Jordanian0%(249)

Syrian0%(245)

Latvian0%(245)

Turkish0%(208)

Australian0%(173)

Haitian0%(127)

Macedonian0%(113)

Trinidadian & Tobagonian0%(93)

Barbadian0%(60)

Cape Verdean0%(38)

Guyanese0%(6)

RANKED:Largest German population · Largest Mexican population · Largest English population · Largest Irish population · Largest Italian population

Section 05

Education

Bachelor's degree or higher

35.2%

−1.9 ptsvs 2000

vs 37.0% in 2000

US average: 20.3%

High school or higher

91.5%

+0.9 ptsvs 2000

vs 90.7% in 2000

US average: 75.2%

Graduate degree

10.7%

−1.3 ptsvs 2000

vs 12.0% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

22.3 min

+32%vs 2000

vs 17.0 min in 2000

US average: 21.9

Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)

Men 15+

Never married36.3%(97,055)

Married52.9%(141,302)

Widowed1.7%(4,566)

Divorced9.1%(24,269)

Women 15+

Never married30.6%(82,804)

Married50.5%(136,643)

Widowed5.9%(15,947)

Divorced13%(35,303)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured

9.3%

−6.5 ptssince 2013

from 15.8% in 2013

US average: 8.4%

Employer-based

59.3%

−1.7 ptssince 2020

from 61.0% in 2020

US average: 54.8%

Direct-purchase

12.2%

−0.4 ptssince 2020

from 12.6% in 2020

US average: 13.8%

Medicare

14.6%

+1.0 ptssince 2020

from 13.6% in 2020

US average: 18.4%

Medicaid

17.4%

+0.9 ptssince 2020

from 16.5% in 2020

US average: 20.9%

VA health care

2.1%

+0.1 ptssince 2020

from 2.0% in 2020

US average: 2.2%

Any private

70.4%

−2.6 ptssince 2020

from 73.0% in 2020

US average: 67.1%

Any public

30.9%

+1.9 ptssince 2020

from 29.0% in 2020

US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024

Gulf War (2001 or later)30.5%(10,400)

US avg: 26.4%

Gulf War (1990s)28.7%(9,806)

US avg: 24.3%

Vietnam era30.4%(10,362)

US avg: 33.1%

Korean War4.1%(1,398)

US avg: 4.5%

World War II0.4%(150)

US avg: 1%

Share of the 34,135 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

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