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CITY · 2020 ACS

Arnold

Missouri · 20,858 residents · 11.528 sq mi
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The short version

Arnold has roughly average household income, with a median household income of $64,678. Population has held roughly steady since 2000. Median home value has risen by half since 2000, reaching $165,700.

At a glance
Average income
near the US median
US median: $66,278
Older
median age 41.4
US median: 38.8
Less educated
22% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
20,858
+4%since 2000
from 19,965 in 2000
1990 – 2025
Population density
1,809 / sq mi
+4%since 2000
from 1,732 / sq mi in 2000
US average: 280
Median age
41.4
+13%since 2000
from 36.7 in 2000
US average: 38.8
Population, 1990 – 2024
19K19K20K21K21K1990201020202024Arnold
202421K
1990201020202024
Section 02

Income & economy

Median household income
$64,678
−9%inflation adjusted, since 2000
from $47,188 in 2000
US average: $66,278
1990 – 2024
Per capita income
$30,378
+49%since 2000
from $20,378 in 2000
US average: $35,364
Households earning $100K+
42.1%
+5.8 ptssince 2009
from 36.3% in 2009
US average: 43.9%
Poverty rate
8.6%
+4.1 ptssince 2000
from 4.4% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade12.3%
US avg: 10%
Information9.8%
US avg: 11.1%
Wholesale trade9.7%
US avg: 6.7%
Other services7.1%
US avg: 6.6%
Public administration5.3%
US avg: 4.7%
Finance & insurance4.5%
US avg: 5.5%
Professional, scientific, technical3%
US avg: 4.7%
Transportation & warehousing2.5%
US avg: 2.5%
Education & health services1.5%
US avg: 0.8%
Arts, entertainment, food1.2%
US avg: 2%
Agriculture, forestry, fishing0.3%
US avg: 1.7%
Construction0.3%
US avg: 1.2%
Manufacturing0%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$165,700
+17%inflation adjusted, since 2000
from $94,400 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$958
+11%inflation adjusted, since 2000
from $575 in 2000
US average: $1,124
Owner-occupied
77.3%
−3.8 ptssince 2000
from 81.2% in 2000
22.7% rent
Afford Score
2.6
+28%since 2000
from 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)
2020
White, non-Hispanic88.7%(18,511)
Black0.9%(194)
Hispanic / Latino3%(636)
Asian1.1%(232)
Other5.4%(1,133)
Diversity Score24.6%(5,127)
Diversity Score
25
+477%since 2000
from 4 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
21.6%
+10.1 ptssince 2000
from 11.5% in 2000
US average: 32.9%
High school or higher
90.7%
+11.5 ptssince 2000
from 79.2% in 2000
US average: 88.5%
Graduate degree
7.6%
+5.2 ptssince 2000
from 2.4% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
29.6 min
+66%since 2000
from 17.8 min in 2000
US average: 26.9
Drive alone to work
86.6%
−0.5 ptssince 2009
from 87.2% in 2009
US average: 75.1%
No vehicle available
3.5%
−0.7 ptssince 2009
from 4.2% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
3.3%
−3.5 ptssince 2011
from 6.8% in 2011
US average: 5.4%
Labor force participation
63.6%
−5.7 ptssince 2011
from 69.3% in 2011
US average: 63.4%
Management & professional
34.1%
−26.6 ptssince 2009
from 60.7% in 2009
US average: 39.3%
Section 08

People & community

Male
49.3%
+0.1 ptssince 2009
from 49.1% in 2009
Female
50.7%
−0.1 ptssince 2009
from 50.9% in 2009
Foreign born
4.8%
+2.6 ptssince 2009
from 2.2% in 2009
US average: 13.5%
Uninsured
8.6%
−83.1 ptssince 2013
from 91.7% in 2013
US average: 8.8%
Drill deeper

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ARNOLD VS
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ARNOLD VS
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ARNOLD VS
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Frequently asked

How many people live in Arnold, Missouri?

Arnold, Missouri has about 20,858 residents according to the 2020 American Community Survey.

What is the median household income in Arnold, Missouri?

The typical household in Arnold, Missouri earns about $64,678 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 $165,700, and the typical rent is about $958 a month.

How educated are people in Arnold, Missouri?

About 21.6% 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 8.6% of people in Arnold, Missouri live below the federal poverty line.

Has Arnold, Missouri grown since 1990?

Yes, Arnold, Missouri has grown since 1990. The population has added about 2,030 residents, a change of about 11 percent over that period.

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

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