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COUNTY · 1990 CENSUS

Arapahoe County

Colorado · 391,511 residents · 797.884 sq mi
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The short version

Arapahoe County is wealthier than most US places, with a median household income of $37,234. Population has fallen 20% since 2000, a loss of 96,456 residents. 35% of adults hold a bachelor's degree or higher, well above the national rate of 20%. Median home value is $92,500. Poverty is rare here, at 5.9% of residents.

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

391,511
−20%vs 2000
vs 487,967 in 2000
1990 – 2025
491 / sq mi
−20%vs 2000
vs 612 / sq mi in 2000
US average: 221
32.5
−6%vs 2000
vs 34.5 in 2000
US average: 33.0
Population, 19902024
365K445K526K606K687K1990201020202024Arapahoe County
2024660K
1990201020202024
Section 02

Income & economy

$37,234
−8%inflation adjusted, since 2000
vs $53,570 in 2000
US average: $30,130
1990 – 2024
$18,777
−33%vs 2000
vs $28,147 in 2000
US average: $14,340
5.9%
+0.1 ptsvs 2000
vs 5.8% in 2000
US average: 13.2%
Section 03

Housing

$92,500
−27%inflation adjusted, since 2000
vs $166,000 in 2000
US average: $93,722
1990 – 2024
$463
−17%inflation adjusted, since 2000
vs $735 in 2000
US average: $450
63.6%
−4.4 ptsvs 2000
vs 68.0% in 2000
36.4% rent
2.5
−20%vs 2000
vs 3.1 in 2000
1990 – 2024
RELATED:See current rent listings in Arapahoe County on RentDataNow
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%
Diversity Score49.7%(242,527)
1990
White, non-Hispanic89.3%(349,615)
Black5.8%(22,897)
Hispanic / Latino5.5%(21,711)
Asian2.8%(11,145)
Other2%(7,854)
Diversity Score34.7%(135,681)
35
−30%vs 2000
vs 50 in 2000
1990 – 2024
Section 05

Education

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%
10.7%
−1.3 ptsvs 2000
vs 12.0% in 2000
US average: 7.1%
Section 06

Commute & transportation

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.

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Frequently asked

How many people live in Arapahoe County, Colorado?

Arapahoe County, Colorado has about 391,511 residents according to the 1990 Census.

What is the median household income in Arapahoe County, Colorado?

The typical household in Arapahoe County, Colorado earns about $37,234 a year. Half of households make more than that, and half make less.

Is Arapahoe County, Colorado expensive?

In Arapahoe County, Colorado, the median home is worth about $92,500, and the typical rent is about $463 a month.

How educated are people in Arapahoe County, Colorado?

About 35.2% of adults age 25 and over in Arapahoe County, Colorado hold a bachelor's degree or higher.

What is the poverty rate in Arapahoe County, Colorado?

About 5.9% of people in Arapahoe County, Colorado live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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