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CITY

Arnold

Maryland · 24,303 residents · 10.8 sq mi
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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
median household income $141,639, 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
Unique to this place

What stands out about Arnold

Among the 113 cities and towns in the Baltimore metro

  • 26th in household income$141,639
  • 21st in share with a bachelor's degree58.0%
  • 19th in home value$564,200
  • 71st in diversity score49.0

Its weight in Anne Arundel County

Arnold's population equals 4.1% of Anne Arundel County's. Its number of households without a car equals 1.5% of the county's. Its number of residents living in poverty equals 2.3% of the county's.

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
Land area
10.8 sq mi
Population, 1990 – 2024
20K21K23K24K26K19902000201020202024Arnold
202424K
1990201020202024
Age distribution, 2024
Under 56.5%(1,587)
US avg: 5.6%
5 to 97.4%(1,795)
US avg: 6%
10 to 146.5%(1,572)
US avg: 6.4%
15 to 196.7%(1,639)
US avg: 6.6%
20 to 245.5%(1,343)
US avg: 6.5%
25 to 3410.7%(2,598)
US avg: 13.7%
35 to 4415.9%(3,873)
US avg: 13.2%
45 to 5411.8%(2,875)
US avg: 12.2%
55 to 6413.7%(3,322)
US avg: 12.7%
65 to 749.1%(2,204)
US avg: 10.2%
75 to 844.7%(1,138)
US avg: 5.1%
85 and over1.5%(357)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
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%
BAR + DOT: THIS PLACE · TICK: 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%
Persons per household
2.74 people
+3%since 2009
from 2.66 people in 2009
US average: 2.54
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
−11%since 2009
from 4.5 in 2009
1990 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Gentrification Score
39
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04

Race & ethnicity

2000
White, non-Hispanic90.3%(21,141)
Black4.8%(1,129)
Hispanic / Latino1.9%(442)
Asian1.5%(347)
Other0%
2024
White, non-Hispanic76.9%(18,696)
Black3.8%(916)
Hispanic / Latino9.7%(2,347)
Asian3.3%(797)
Other6.4%(1,547)
Diversity Score
49
+93%since 2009
from 25 in 2009
1990 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins

Detailed origins & ancestry

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)
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%
Women 20-64 in the labor force
78.0%
−3.7 ptssince 2020
from 81.7% in 2020
US average: 74.6%
Self-employed
13.9%
+0.1 ptssince 2009
from 13.8% in 2009
US average: 13.1%
Management & professional
57.2%
+9.1 ptssince 2009
from 48.1% 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%
−0.9 ptssince 2009
from 12.7% 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%
−4.1 ptssince 2013
from 6.4% in 2013
US average: 8.4%
Broadband at home
98.5%
+6.0 ptssince 2017
from 92.5% in 2017
US average: 91.0%
Computer in household
99.1%
+0.9 ptssince 2020
from 98.2% in 2020
US average: 95.5%
Same house as last year
91.2%
+2.1 ptssince 2020
from 89.1% in 2020
US average: 87.7%
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%
Marital status
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
Section 09

Health coverage

Uninsured
2.3%
−4.1 ptssince 2013
from 6.4% in 2013
US average: 8.4%
Employer-based
72.2%
−3.3 ptssince 2020
from 75.5% in 2020
US average: 54.8%
Direct-purchase
11.8%
+0.3 ptssince 2020
from 11.5% in 2020
US average: 13.8%
Medicare
14.4%
Unchangedsince 2020
from 14.4% in 2020
US average: 18.4%
Medicaid
10.3%
+1.6 ptssince 2020
from 8.7% in 2020
US average: 20.9%
VA health care
2.5%
−0.3 ptssince 2020
from 2.8% in 2020
US average: 2.2%
Any private
86.2%
−2.2 ptssince 2020
from 88.4% in 2020
US average: 67.1%
Any public
25.3%
+2.0 ptssince 2020
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)
US avg: 26.4%
Gulf War (1990s)29.8%(635)
US avg: 24.3%
Vietnam era21.6%(460)
US avg: 33.1%
Korean War0.3%(7)
US avg: 4.5%
World War II1.5%(31)
US avg: 1%

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
Over time

Arnold, decade by decade

Arnold population, inflation-adjusted income and home value, education, and diversity by year
YearPopulationMedian household incomeMedian home valueBachelor's degree+Diversity score
199020,261$134,874$354,73040.6%19.0
200023,422$134,806$327,89848.3%22.8
201023,106$144,756$628,51251.0%31.3
202024,064$144,843$533,29755.8%43.2
202424,303$141,639$564,20058.0%49.0

Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.

Drill deeper

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Head to head

Compare Arnold to nearby cities

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ARNOLD VS
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ARNOLD VS
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ARNOLD VS
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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 →