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CITY

Arnold

Maryland · 24,303 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 $141,639. Population has held roughly steady since 2000. 58% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value has roughly tripled since 2000, reaching $564,200. Poverty is rare here, at 3.1% of residents. It ranks in the top 5% of US cities for household income.

At a glance
Wealthier
above the US median
US median: $82,259
Mid-age
median age 37.9
US median: 38.9
More educated
58% hold a bachelor's degree
US average: 36%
Less affordable
home values up 72%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
24,303
+4%since 2000
from 23,422 in 2000
1990 – 2024
Population density
2,246 / sq mi
+4%since 2000
from 2,165 / sq mi in 2000
US average: 281
Median age
37.9
+2%since 2000
from 37.1 in 2000
US average: 38.9
Population, 1990 – 2024
20K21K23K24K26K1990201020202024Arnold
202424K
1990201020202024
Section 02

Income & economy

Median household income
$141,639
+5%inflation adjusted, since 2000
from $74,002 in 2000
US average: $82,259
1990 – 2024
Per capita income
$64,648
+107%since 2000
from $31,236 in 2000
US average: $44,673
Households earning $100K+
80.7%
+17.8 ptssince 2009
from 62.9% in 2009
US average: 53.3%
Poverty rate
3.1%
+0.2 ptssince 2000
from 3.0% in 2000
US average: 12.5%
Income inequality (Gini)
0.404
+7%since 2010
from 0.378 in 2010
US average: 0.476
Workforce by industry, 2024
Information7.3%
US avg: 10.8%
Other services6.6%
US avg: 6.7%
Wholesale trade5.2%
US avg: 6.9%
Public administration5.2%
US avg: 4.8%
Transportation & warehousing4.9%
US avg: 2.2%
Retail trade4.2%
US avg: 9.9%
Finance & insurance3.1%
US avg: 5.9%
Professional, scientific, technical2.7%
US avg: 5.1%
Arts, entertainment, food0.9%
US avg: 1.9%
Education & health services0.4%
US avg: 0.9%
Agriculture, forestry, fishing0.3%
US avg: 1.6%
Manufacturing0.2%
US avg: 0.4%
Construction0.1%
US avg: 1.2%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$564,200
+72%inflation adjusted, since 2000
from $180,000 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$2,158
+23%inflation adjusted, since 2000
from $965 in 2000
US average: $1,442
Owner-occupied
86.5%
+1.2 ptssince 2000
from 85.3% in 2000
13.5% rent
Vacancy rate
3.2%
−1.3 ptssince 2009
from 4.5% in 2009
US average: 10.0%
Owner cost-burdened
17.6%
−9.9 ptssince 2009
from 27.5% in 2009
US average: 22.9%
Renter cost-burdened
43.7%
+10.3 ptssince 2009
from 33.4% in 2009
US average: 47.4%
Afford Score
4.0
+64%since 2000
from 2.4 in 2000
1990 – 2024
Gentrification Score
39
RELATED:See current rent listings in Arnold on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic90.3%(21,141)
Black4.8%(1,129)
Hispanic / Latino1.9%(442)
Asian1.5%(347)
Other0%
Diversity Score19.6%(4,580)
2024
White, non-Hispanic76.9%(18,696)
Black3.8%(916)
Hispanic / Latino9.7%(2,347)
Asian3.3%(797)
Other6.4%(1,547)
Diversity Score49%(11,918)
Diversity Score
49
+151%since 2000
from 20 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
58.0%
+9.7 ptssince 2000
from 48.3% in 2000
US average: 35.6%
High school or higher
97.9%
+4.4 ptssince 2000
from 93.6% in 2000
US average: 89.6%
Graduate degree
25.2%
+5.9 ptssince 2000
from 19.3% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
28.1 min
+28%since 2000
from 21.9 min in 2000
US average: 26.5
Drive alone to work
69.1%
−15.8 ptssince 2009
from 84.9% in 2009
US average: 68.9%
Carpooled to work
5.9%
−0.8 ptssince 2009
from 6.8% in 2009
US average: 8.5%
Public transit
0.5%
−1.5 ptssince 2009
from 1.9% in 2009
US average: 3.2%
Worked from home
22.5%
+18.0 ptssince 2009
from 4.4% in 2009
US average: 15.0%
Walked to work
0.4%
−1.0 ptssince 2009
from 1.5% in 2009
US average: 2.4%
Biked to work
0.6%
+0.5 ptssince 2009
from 0.1% in 2009
US average: 0.4%
No vehicle available
1.6%
−2.1 ptssince 2009
from 3.7% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
2.6%
−0.8 ptssince 2011
from 3.4% in 2011
US average: 5.2%
Labor force participation
70.7%
−3.6 ptssince 2011
from 74.3% in 2011
US average: 63.5%
Self-employed
13.9%
+0.1 ptssince 2009
from 13.8% in 2009
US average: 13.1%
Management & professional
57.2%
−13.9 ptssince 2009
from 71.1% in 2009
US average: 42.5%
Section 08

People & community

Male
49.6%
+1.4 ptssince 2009
from 48.2% in 2009
Female
50.4%
−1.4 ptssince 2009
from 51.8% in 2009
Foreign born
7.5%
+1.0 ptssince 2009
from 6.5% in 2009
US average: 14.1%
Veterans
11.9%
−35.1 ptssince 2009
from 47.0% in 2009
US average: 6.2%
With a disability
9.0%
+1.6 ptssince 2012
from 7.4% in 2012
US average: 13.3%
Uninsured
2.3%
−91.3 ptssince 2013
from 93.6% in 2013
US average: 8.4%
Broadband at home
98.5%
+6.0 ptssince 2017
from 92.5% in 2017
US average: 91.0%
English only at home
88.7%
−4.0 ptssince 2016
from 92.6% in 2016
US average: 77.7%
Spanish at home
5.9%
+3.2 ptssince 2016
from 2.7% in 2016
US average: 13.6%
Drill deeper

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Compare Arnold to nearby cities

ARNOLD VS
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Income$136,111−4%
Home value$488,200−13%
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ARNOLD VS
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Home value$473,600−16%
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ARNOLD VS
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Income$169,953+20%
Home value$647,200+15%
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ARNOLD VS
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Home value$533,500−5%
Population17,229−29%
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Frequently asked

How many people live in Arnold, Maryland?

Arnold, Maryland has about 24,303 residents according to the 2024 American Community Survey.

What is the median household income in Arnold, Maryland?

The typical household in Arnold, Maryland earns about $141,639 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 $564,200, and the typical rent is about $2,158 a month.

How educated are people in Arnold, Maryland?

About 58.0% 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 3.1% 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 4,042 residents, a change of about 20 percent over that period.

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

How we source and harmonize this data →

Arnold, Maryland: demographics, income & housing data · CensusEasy