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CITY · 1990 CENSUS

Arnold

Maryland · 20,261 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 $56,196. Population has declined 13% since 2000. 41% of adults hold a bachelor's degree or higher, well above the national rate of 20%. Median home value is $147,800. Poverty is rare here, at 2.5% of residents. Households here earn about 43% more than the Maryland median.

At a glance
Wealthier
above the US median
US median: $30,130
Mid-age
median age 33.4
US median: 33.0
More educated
41% hold a bachelor's degree
US average: 20%
Stable housing
home values roughly flat, inflation adjusted
US median home: $93,722
Section 01

Population & growth

Total population
20,261
−13%vs 2000
vs 23,422 in 2000
1990 – 2024
Median age
33.4
−10%vs 2000
vs 37.1 in 2000
US average: 33.0
Population, 1990 – 2024
20K21K23K24K26K1990201020202024Arnold
202424K
1990201020202024
Age distribution, 1990
Under 57.4%(1,500)
US avg: 7.3%
5 to 97.8%(1,584)
US avg: 7.3%
10 to 147.3%(1,488)
US avg: 6.9%
15 to 197.3%(1,477)
US avg: 7.1%
20 to 245.8%(1,171)
US avg: 7.5%
25 to 3417.3%(3,509)
US avg: 17.5%
35 to 4419.3%(3,908)
US avg: 15.1%
45 to 5413.8%(2,797)
US avg: 10.2%
55 to 647.5%(1,525)
US avg: 8.5%
65 to 744.8%(980)
US avg: 7.3%
75 to 841.5%(312)
US avg: 4%
85 and over0%(10)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$56,196
Unchangedinflation adjusted, since 2000
vs $74,002 in 2000
US average: $30,130
1990 – 2024
Per capita income
$22,064
−29%vs 2000
vs $31,236 in 2000
US average: $14,340
Poverty rate
2.5%
−0.4 ptsvs 2000
vs 3.0% in 2000
US average: 13.2%
Section 03

Housing

Median home value
$147,800
+8%inflation adjusted, since 2000
vs $180,000 in 2000
US average: $93,722
1990 – 2024
Median gross rent
$809
+10%inflation adjusted, since 2000
vs $965 in 2000
US average: $450
Owner-occupied
82.0%
−3.3 ptsvs 2000
vs 85.3% in 2000
18.0% rent
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%
1990
White, non-Hispanic92.9%(18,823)
Black5%(1,010)
Hispanic / Latino1.1%(222)
Asian1.8%(372)
Other0.3%(56)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Salvadoran2.6%(633)
Mexican2.2%(530)
Puerto Rican1.4%(332)
Peruvian0.6%(157)
Venezuelan0.5%(113)
Bolivian0.4%(86)
Cuban0.2%(51)
Ecuadorian0.1%(36)
Spaniard0.1%(33)
Colombian0.1%(27)
+ 2 more hispanic origin groups with data
Dominican0.1%(18)
Chilean0.1%(18)
Asian origin
Filipino1.4%(338)
Chinese0.4%(106)
Asian Indian0.4%(86)
Korean0.3%(68)
Vietnamese0.3%(64)
Taiwanese0.2%(60)
Pakistani0.2%(57)
Japanese0%(11)
Pacific Islander origin
Chamorro0.2%(45)
Ancestry
German18.1%(4,401)
Irish14.4%(3,502)
English13.4%(3,255)
Italian7.4%(1,797)
Polish5%(1,220)
Scottish3.4%(815)
American2.7%(664)
French2.4%(589)
Greek1.9%(460)
Scotch-Irish1.3%(318)
Swedish1%(249)
Russian0.9%(221)
+ 36 more ancestry groups with data
Hungarian0.9%(209)
Welsh0.8%(186)
British0.7%(180)
Dutch0.7%(176)
Arab0.7%(165)
Ukrainian0.6%(149)
Norwegian0.5%(129)
Austrian0.5%(119)
Lithuanian0.5%(116)
Swiss0.5%(116)
Slovene0.4%(97)
Brazilian0.4%(93)
Czech0.3%(71)
Croatian0.3%(67)
Egyptian0.3%(64)
Armenian0.3%(63)
Israeli0.2%(60)
Danish0.2%(50)
Portuguese0.2%(46)
Lebanese0.2%(43)
West Indian0.1%(32)
Belgian0.1%(28)
Australian0.1%(27)
Canadian0.1%(25)
Moroccan0.1%(24)
Iranian0.1%(21)
Palestinian0.1%(20)
Turkish0.1%(20)
Ethiopian0.1%(18)
Syrian0.1%(14)
Serbian0%(11)
Slovak0%(10)
Finnish0%(8)
RANKED:Largest German population · Largest Irish population · Largest English population · Largest Italian population · Largest Polish population
Section 05

Education

Bachelor's degree or higher
40.6%
−7.7 ptsvs 2000
vs 48.3% in 2000
US average: 20.3%
High school or higher
90.7%
−2.9 ptsvs 2000
vs 93.6% in 2000
US average: 75.2%
Graduate degree
16.7%
−2.6 ptsvs 2000
vs 19.3% in 2000
US average: 7.1%
Section 06

Commute & transportation

Average commute
26.7 min
+22%vs 2000
vs 21.9 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)
Men 15+
Never married31%(3,013)
Married62%(6,014)
Widowed1.4%(136)
Divorced5.6%(542)
Women 15+
Never married23.9%(2,307)
Married59.8%(5,763)
Widowed6.1%(588)
Divorced10.2%(986)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Frequently asked

How many people live in Arnold, Maryland?

Arnold, Maryland has about 20,261 residents according to the 1990 Census.

What is the median household income in Arnold, Maryland?

The typical household in Arnold, Maryland earns about $56,196 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 $147,800, and the typical rent is about $809 a month.

How educated are people in Arnold, Maryland?

About 40.6% 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 2.5% of people in Arnold, Maryland live below the federal poverty line.

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

How we source and harmonize this data →