United States › Maryland › Arnold CITY
Arnold Maryland · 24,303 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 2020 ACS 2021 ACS 2022 ACS 2023 ACS
The short version
With 24,303 people, Arnold is a city in Maryland. 58% of adults hold a bachelor's degree, against 36% nationally. Owners hold 86% of the housing stock. That puts it in the top 2% of US cities for household income. Median household income runs $141,639, well clear of the $82,259 US median. That is roughly 37% ahead of the Maryland median.
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 2,246 / sq mi
+10%since 2009
from 2,042 / sq mi in 2009
US average: 281
from 37.1 in 2000
US average: 38.9
Population, 1990 – 2024
20K 21K 23K 24K 26K 1990 2000 2010 2020 2024 Arnold Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $141,639
+5%inflation adjusted, since 2000
from $74,002 in 2000
US average: $82,259
from $31,236 in 2000
US average: $44,673
Households earning $100K+
from 62.9% in 2009
US average: 53.3%
from 3.0% in 2000
US average: 12.5%
from 0.378 in 2010
US average: 0.476
Workforce by industry, 2024
Public administration 5.2%
Transportation & warehousing 4.9%
Professional, scientific, technical 2.7%
Arts, entertainment, food 0.9%
Education & health services 0.4%
Agriculture, forestry, fishing 0.3%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
$564,200
+72%inflation adjusted, since 2000
from $180,000 in 2000
US average: $376,019
$2,158
+23%inflation adjusted, since 2000
from $965 in 2000
US average: $1,442
from 85.3% in 2000
13.5% rent
from 4.5% in 2009
US average: 10.0%
from 2.66 people in 2009
US average: 2.54
from 27.5% in 2009
US average: 22.9%
from 33.4% in 2009
US average: 47.4%
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.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 90.3%(21,141)
Hispanic / Latino 1.9%(442)
2024
White, non-Hispanic 76.9%(18,696)
Hispanic / Latino 9.7%(2,347)
from 25 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Hispanic origin
+ 2 more hispanic origin groups with data Ancestry
+ 36 more ancestry groups with data from 48.3% in 2000
US average: 35.6%
High school or higher
from 93.6% in 2000
US average: 89.6%
from 19.3% in 2000
US average: 14.0%
Section 06
Commute & transportation from 21.9 min in 2000
US average: 26.5
from 84.9% in 2009
US average: 68.9%
from 6.8% in 2009
US average: 8.5%
from 1.9% in 2009
US average: 3.2%
from 4.4% in 2009
US average: 15.0%
from 1.5% in 2009
US average: 2.4%
from 0.1% in 2009
US average: 0.4%
from 3.7% in 2009
US average: 8.3%
Section 07
Work & employment from 3.4% in 2011
US average: 5.2%
from 74.3% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 81.7% in 2020
US average: 74.6%
from 13.8% in 2009
US average: 13.1%
from 48.1% in 2009
US average: 42.5%
Section 08
People & community from 6.5% in 2009
US average: 14.1%
from 12.7% in 2009
US average: 6.2%
from 7.4% in 2012
US average: 13.3%
from 6.4% in 2013
US average: 8.4%
from 92.5% in 2017
US average: 91.0%
Computer in household
from 98.2% in 2020
US average: 95.5%
from 89.1% in 2020
US average: 87.7%
from 92.6% in 2016
US average: 77.7%
from 2.7% in 2016
US average: 13.6%
Marital status
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: 8.4%
from 75.5% in 2020
US average: 54.8%
Direct-purchase
from 11.5% in 2020
US average: 13.8%
from 14.4% in 2020
US average: 18.4%
from 8.7% in 2020
US average: 20.9%
VA health care
from 2.8% in 2020
US average: 2.2%
Any private
from 88.4% in 2020
US average: 67.1%
Any public
from 23.3% in 2020
US average: 36.7%
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, 2024
Gulf War (2001 or later) 42.8%(913)
Gulf War (1990s) 29.8%(635)
Share of the 2,131 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.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper
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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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