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CITY · 1990 CENSUS

Arnold

Missouri · 18,828 residents · 11.528 sq mi
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The short version

Arnold is wealthier than most US places, with a median household income of $34,179. Population has declined 6% since 2000. 9% of adults hold a bachelor's degree or higher, below the national rate of 20%. Median home value is $65,500. Poverty is rare here, at 5.4% of residents. Households here earn about 30% more than the Missouri median.

At a glance
Wealthier
above the US median
US median: $30,130
Mid-age
median age 31.7
US median: 33.0
Less educated
9% hold a bachelor's degree
US average: 20%
More affordable
home values down 9%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

18,828
−6%vs 2000
vs 19,965 in 2000
1990 – 2025
1,633 / sq mi
−6%vs 2000
vs 1,732 / sq mi in 2000
US average: 221
31.7
−14%vs 2000
vs 36.7 in 2000
US average: 33.0
Population, 19902024
19K19K20K21K21K1990201020202024Arnold
202421K
1990201020202024
Section 02

Income & economy

$34,179
−5%inflation adjusted, since 2000
vs $47,188 in 2000
US average: $30,130
1990 – 2024
$12,689
−38%vs 2000
vs $20,378 in 2000
US average: $14,340
5.4%
+0.9 ptsvs 2000
vs 4.4% in 2000
US average: 13.2%
Section 03

Housing

$65,500
−9%inflation adjusted, since 2000
vs $94,400 in 2000
US average: $93,722
1990 – 2024
$465
+7%inflation adjusted, since 2000
vs $575 in 2000
US average: $450
78.5%
−2.6 ptsvs 2000
vs 81.2% in 2000
21.5% rent
1.9
−4%vs 2000
vs 2.0 in 2000
1990 – 2024
RELATED:See current rent listings in Arnold on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic97.2%(19,408)
Black0.3%(59)
Hispanic / Latino1%(207)
Asian0.4%(75)
Other0%
Diversity Score4.3%(851)
1990
White, non-Hispanic99.2%(18,686)
Black0.2%(32)
Hispanic / Latino0.5%(98)
Asian0.1%(12)
Other0.5%(98)
Diversity Score3.1%(592)
3
−26%vs 2000
vs 4 in 2000
1990 – 2024
Section 05

Education

9.2%
−2.3 ptsvs 2000
vs 11.5% in 2000
US average: 20.3%
High school or higher
71.8%
−7.4 ptsvs 2000
vs 79.2% in 2000
US average: 75.2%
3.2%
+0.8 ptsvs 2000
vs 2.4% in 2000
US average: 7.1%
Section 06

Commute & transportation

23.6 min
+33%vs 2000
vs 17.8 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 Arnold, Missouri?

Arnold, Missouri has about 18,828 residents according to the 1990 Census.

What is the median household income in Arnold, Missouri?

The typical household in Arnold, Missouri earns about $34,179 a year. Half of households make more than that, and half make less.

Is Arnold, Missouri expensive?

In Arnold, Missouri, the median home is worth about $65,500, and the typical rent is about $465 a month.

How educated are people in Arnold, Missouri?

About 9.2% of adults age 25 and over in Arnold, Missouri hold a bachelor's degree or higher.

What is the poverty rate in Arnold, Missouri?

About 5.4% of people in Arnold, Missouri 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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