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CITY · 2000 CENSUS

Arnold

Maryland · 23,422 residents · 10.819 sq mi
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The short version

Arnold is significantly wealthier than the US average, with a median household income of $74,002. Population has grown 16% since 1990. 48% of adults hold a bachelor's degree or higher, well above the national rate of 24%. Median home value is $180,000. Poverty is rare here, at 3.0% of residents. Households here earn about 40% more than the Maryland median.

At a glance
Wealthier
above the US median
US median: $42,589
Mid-age
median age 37.1
US median: 35.2
More educated
48% hold a bachelor's degree
US average: 24%
More affordable
home values down 8%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

23,422
+16%since 1990
from 20,261 in 1990
1990 – 2024
2,165 / sq mi
+16%since 1990
from 1,873 / sq mi in 1990
US average: 242
37.1
+11%since 1990
from 33.4 in 1990
US average: 35.2
Population, 19902024
20K21K23K24K26K1990201020202024Arnold
202424K
1990201020202024
Section 02

Income & economy

$74,002
Unchangedinflation adjusted, since 1990
from $56,196 in 1990
US average: $42,589
1990 – 2024
$31,236
+42%since 1990
from $22,064 in 1990
US average: $21,522
3.0%
+0.4 ptssince 1990
from 2.5% in 1990
US average: 12.4%
Section 03

Housing

$180,000
−8%inflation adjusted, since 1990
from $147,800 in 1990
US average: $120,530
1990 – 2024
$965
−9%inflation adjusted, since 1990
from $809 in 1990
US average: $602
85.3%
+3.3 ptssince 1990
from 82.0% in 1990
14.7% rent
2.4
−8%since 1990
from 2.6 in 1990
1990 – 2024
RELATED:See current rent listings in Arnold on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic92.9%(18,823)
Black5%(1,010)
Hispanic / Latino1.1%(222)
Asian1.8%(372)
Diversity Score19.1%(3,866)
2000
White, non-Hispanic90.3%(21,141)
Black4.8%(1,129)
Hispanic / Latino1.9%(442)
Asian1.5%(347)
Diversity Score19.6%(4,580)
20
+2%since 1990
from 19 in 1990
1990 – 2024
Section 05

Education

48.3%
+7.7 ptssince 1990
from 40.6% in 1990
US average: 24.4%
High school or higher
93.6%
+2.9 ptssince 1990
from 90.7% in 1990
US average: 80.3%
19.3%
+2.6 ptssince 1990
from 16.7% in 1990
US average: 8.8%
Section 06

Commute & transportation

21.9 min
−18%since 1990
from 26.7 min in 1990
US average: 17.6
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, Maryland?

Arnold, Maryland has about 23,422 residents according to the 2000 Census.

What is the median household income in Arnold, Maryland?

The typical household in Arnold, Maryland earns about $74,002 a year. Half of households make more than that, and half make less.

Is Arnold, Maryland expensive?

In Arnold, Maryland, the median home is worth about $180,000, and the typical rent is about $965 a month.

How educated are people in Arnold, Maryland?

About 48.3% of adults age 25 and over in Arnold, Maryland hold a bachelor's degree or higher.

What is the poverty rate in Arnold, Maryland?

About 3.0% of people in Arnold, Maryland live below the federal poverty line.

Has Arnold, Maryland grown since 1990?

Yes, Arnold, Maryland has grown since 1990. The population has added about 3,161 residents, a change of about 16 percent over that period.

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

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