United States › Maryland › Arnold CITY · 2020 ACS
Arnold Maryland · 24,064 residents · 10.8 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2021 ACS 2022 ACS 2023 ACS 2024 ACS
The short version
With 24,064 people, Arnold is a city in Maryland. 56% of adults hold a bachelor's degree, against 33% nationally. 85% of homes are owner-occupied. Median household income runs $119,504, well clear of the $66,278 US median. Home values have more than doubled since 2000, reaching $440,000. Median rent is $1,914 a month.
At a glance
Wealthier
above the US median
US median: $66,278
Mid-age
median age 40.4
US median: 38.8
More educated
56% hold a bachelor's degree
US average: 33%
Less affordable
home values up 63%, inflation adjusted
US median home: $265,253
Section 01
Population & growth from 37.1 in 2000
US average: 38.8
Population, 1990 – 2024
20K 21K 23K 24K 26K 1990 2000 2010 2020 2024 Arnold Age distribution, 2020
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Section 02
Income & economy $119,504
+7%inflation adjusted, since 2000
from $74,002 in 2000
US average: $66,278
from $31,236 in 2000
US average: $35,364
Households earning $100K+
from 62.9% in 2009
US average: 43.9%
from 3.0% in 2000
US average: 12.8%
Workforce by industry, 2020
Public administration 4.8%
Transportation & warehousing 3.7%
Professional, scientific, technical 3.3%
Arts, entertainment, food 1.8%
Education & health services 0.3%
Agriculture, forestry, fishing 0.1%
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$440,000
+63%inflation adjusted, since 2000
from $180,000 in 2000
US average: $265,253
$1,914
+32%inflation adjusted, since 2000
from $965 in 2000
US average: $1,124
from 85.3% in 2000
14.5% rent
from 2.66 people in 2009
US average: 2.61
from 4.5 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 90.3%(21,141)
Hispanic / Latino 1.9%(442)
2020
White, non-Hispanic 80.4%(19,338)
Hispanic / Latino 5.8%(1,386)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Hispanic origin
+ 4 more hispanic origin groups with data Ancestry
+ 28 more ancestry groups with data from 48.3% in 2000
US average: 32.9%
High school or higher
from 93.6% in 2000
US average: 88.5%
from 19.3% in 2000
US average: 12.7%
Section 06
Commute & transportation from 21.9 min in 2000
US average: 26.9
from 84.9% in 2009
US average: 75.1%
from 3.7% in 2009
US average: 8.4%
Section 07
Work & employment from 3.4% in 2011
US average: 5.4%
from 74.3% in 2011
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
from 48.1% in 2009
US average: 39.3%
Section 08
People & community from 6.5% in 2009
US average: 13.5%
from 6.4% in 2013
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
Women 15+
Never married 23.9%(2,307)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 6.4% in 2013
US average: 8.8%
Direct-purchase
US average: 13.7%
VA health care
US average: 2.3%
Any private
US average: 68.1%
Any public
US average: 35.2%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2020
Gulf War (2001 or later) 29.1%(601)
Gulf War (1990s) 33.9%(702)
Share of the 2,068 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
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Frequently asked
How many people live in Arnold, Maryland? Arnold, Maryland has about 24,064 residents according to the 2020 American Community Survey.
What is the median household income in Arnold, Maryland? The typical household in Arnold, Maryland earns about $119,504 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 $440,000, and the typical rent is about $1,914 a month.
How educated are people in Arnold, Maryland? About 55.8% 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 3.8% 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 3,803 residents, a change of about 19 percent over that period.
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