United States › Maryland › Arnold CITY · 2000 CENSUS
Arnold Maryland · 23,422 residents · 10.8 sq mi
Time machine
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The short version
Arnold is a city of 23,422 people in Maryland. 48% of adults hold a bachelor's degree, against 24% nationally. Owners hold 85% of the housing stock. Median household income runs $74,002, well clear of the $42,589 US median. That is roughly 40% ahead of the Maryland median. Median rent is $965 a month.
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 from 33.4 in 1990
US average: 35.2
Population, 1990 – 2024
20K 21K 23K 24K 26K 1990 2000 2010 2020 2024 Arnold Age distribution, 2000
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $74,002
Unchangedinflation adjusted, since 1990
from $56,196 in 1990
US average: $42,589
from $22,064 in 1990
US average: $21,522
from 2.5% in 1990
US average: 12.4%
$180,000
−8%inflation adjusted, since 1990
from $147,800 in 1990
US average: $120,530
$965
−9%inflation adjusted, since 1990
from $809 in 1990
US average: $602
from 82.0% in 1990
14.7% rent
Section 04
Race & ethnicity 1990
White, non-Hispanic 92.9%(18,823)
Hispanic / Latino 1.1%(222)
2000
White, non-Hispanic 90.3%(21,141)
Hispanic / Latino 1.9%(442)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
+ 2 more hispanic origin groups with data Ancestry
+ 36 more ancestry groups with data from 40.6% in 1990
US average: 24.4%
High school or higher
from 90.7% in 1990
US average: 80.3%
from 16.7% in 1990
US average: 8.8%
Section 06
Commute & transportation 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.
Marital status
Men 15+
Never married 26.6%(2,323)
Women 15+
Never married 19.5%(1,819)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
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 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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