Zip code 21012: Arnold, Maryland

Q: What city is zip code 21012?

21012 is assigned to Arnold, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 21012 in?

21012 is in Anne Arundel County, Maryland.

Q: What is the population of 21012?

About 22,570 people live in 21012, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 21012?

The median household income in 21012 is $139,432.

Q: What zip codes are near 21012?

The closest zip codes to 21012 are 21405, 21409, 21056, 21146, 21402.

Residential delivery areaAnne Arundel CountyEastern Time

Population

22,570

Median household income

$139K

U.S. $81K

Median home value

$564K

U.S. $333K

Median rent

$2,166/mo

U.S. $1,413

Median age

U.S. 38.9

Land area

9.8 sq mi

2,308 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 21012

21012 is a suburban zip code in Arnold, Maryland (Anne Arundel County), covering 9.8 sq mi of land. About 22,570 people live here, or 2,308 per square mile. The median resident is 38 years old, compared with 38.9 nationally.

The median household earns $139,432 a year, 73% above the national median of $80,734. 3.3% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $563,800, or 4.0 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 86% of occupied homes are lived in by their owners, and renters pay a median of $2,166 a month.

58% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 28.2 minutes each way, and 22% of workers work from home. The most common jobs among working residents are in management; business and finance; and office and administrative support.

How 21012 compares

Sorted from highest to lowest national percentile

Broadband access98.7%
99th
StrengthU.S. 91% · MD 92.4%56th of 441 in MD
Veterans12.3%
95th
U.S. 6.2% · MD 6.8%57th of 446 in MD
Government workers23.8%
93rd
U.S. 14.5% · MD 22.5%158th of 444 in MD
Median household income$139,432
92nd
StrengthU.S. $80,734 · MD $103,678103rd of 414 in MD
Median earnings per worker$78,929
92nd
StrengthU.S. $49,666 · MD $61,20099th of 443 in MD
Homeownership rate86.3%
91st
StrengthU.S. 65.2% · MD 67.6%164th of 441 in MD
Median gross rent$2,166
89th
U.S. $1,413 · MD $1,70554th of 338 in MD
Per capita income$63,734
88th
StrengthU.S. $44,673 · MD $52,979105th of 446 in MD
Bachelor's degree or higher57.5%
87th
StrengthU.S. 35.7% · MD 43.4%78th of 445 in MD
Tech workers5.9%
85th
U.S. 3.8% · MD 6.4%170th of 444 in MD
Work from home22.4%
83rd
U.S. 15.1% · MD 19.3%121st of 444 in MD
Median home value$563,800
79th
U.S. $332,700 · MD $419,90097th of 421 in MD
Residents under 1825.3%
77th
U.S. 22% · MD 22.2%82nd of 446 in MD
Average commute28.2 min
64th
U.S. 26.4 min · MD 31.1 min300th of 421 in MD
Population density2,308/sq mi
60th
U.S. 95/sq mi · MD 639/sq mi103rd of 446 in MD
Median age38
42nd
U.S. 38.9 · MD 39.4321st of 446 in MD
Foreign-born residents7.6%
41st
U.S. 14.1% · MD 16.6%200th of 446 in MD
Residents 65 and older15.4%
41st
U.S. 17.2% · MD 16.7%305th of 446 in MD
Population22,570
35th
U.S. 334,922,499 · MD 6,206,011115th of 446 in MD
Diversity index38.4
34th
U.S. 61.4 · MD 67.7248th of 446 in MD
Rent-burdened renters46.6%
34th
U.S. 51.1% · MD 51.5%231st of 404 in MD
Self-employed workers7.9%
31st
U.S. 10% · MD 8.7%264th of 444 in MD
Income inequality (Gini)0.392
16th
StrengthU.S. 0.483 · MD 0.456256th of 438 in MD
Healthcare workers6.8%
13th
U.S. 9.7% · MD 9%282nd of 444 in MD
Unemployment rate2.7%
12th
StrengthU.S. 5.2% · MD 4.9%303rd of 444 in MD
Housing vacancy3.1%
12th
U.S. 10.1% · MD 7.7%318th of 441 in MD
Uninsured rate2.4%
8th
StrengthU.S. 8.4% · MD 6.3%302nd of 444 in MD
Poverty rate3.3%
3rd
StrengthU.S. 12.5% · MD 9.4%346th of 441 in MD

Measure	21012	Anne Arundel	MD	U.S.	National percentile	Rank in MD
Broadband accessStrength	98.7%	95.5%	92.4%	91%	99th	56th of 441
Veterans	12.3%	9.8%	6.8%	6.2%	95th	57th of 446
Government workers	23.8%	23%	22.5%	14.5%	93rd	158th of 444
Median household incomeStrength	$139,432	$124,911	$103,678	$80,734	92nd	103rd of 414
Median earnings per workerStrength	$78,929	$70,116	$61,200	$49,666	92nd	99th of 443
Homeownership rateStrength	86.3%	75.1%	67.6%	65.2%	91st	164th of 441
Median gross rent	$2,166	$2,071	$1,705	$1,413	89th	54th of 338
Per capita incomeStrength	$63,734	$59,733	$52,979	$44,673	88th	105th of 446
Bachelor's degree or higherStrength	57.5%	45.8%	43.4%	35.7%	87th	78th of 445
Tech workers	5.9%	7.5%	6.4%	3.8%	85th	170th of 444
Work from home	22.4%	18.5%	19.3%	15.1%	83rd	121st of 444
Median home value	$563,800	$467,900	$419,900	$332,700	79th	97th of 421
Residents under 18	25.3%	22.4%	22.2%	22%	77th	82nd of 446
Average commute	28.2 min	28.9 min	31.1 min	26.4 min	64th	300th of 421
Population density	2,308/sq mi	1,442/sq mi	639/sq mi	95/sq mi	60th	103rd of 446
Median age	38	39	39.4	38.9	42nd	321st of 446
Foreign-born residents	7.6%	10%	16.6%	14.1%	41st	200th of 446
Residents 65 and older	15.4%	15.9%	16.7%	17.2%	41st	305th of 446
Population	22,570	598,166	6,206,011	334,922,499	35th	115th of 446
Diversity index	38.4	57.3	67.7	61.4	34th	248th of 446
Rent-burdened renters	46.6%	47.2%	51.5%	51.1%	34th	231st of 404
Self-employed workers	7.9%	9.3%	8.7%	10%	31st	264th of 444
Income inequality (Gini)Strength	0.392	0.418	0.456	0.483	16th	256th of 438
Healthcare workers	6.8%	7.9%	9%	9.7%	13th	282nd of 444
Unemployment rateStrength	2.7%	3.7%	4.9%	5.2%	12th	303rd of 444
Housing vacancy	3.1%	4.9%	7.7%	10.1%	12th	318th of 441
Uninsured rateStrength	2.4%	4.7%	6.3%	8.4%	8th	302nd of 444
Poverty rateStrength	3.3%	5.6%	9.4%	12.5%	3rd	346th of 441

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

19%

5–17

18–24

10%

25–34

17%

35–44

11%

45–54

14%

55–64

65–74

75+

Median age

Under 18

25.3%

65 and over

15.4%

Race and ethnicity

White78%
Black4%
Hispanic10%
Asian3%
Native American0%
Pacific Islander0%
Other0.6%
Multiracial5%

Diversity index

38.4

U.S. 61.4

Foreign-born

7.6%

U.S. 14.1%

Born in state

52.9%

Language spoken at home (households)

English only

84%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 8,275
Average household size: 2.7
Family households: 75.7%
Married couples: 61.6%
Living alone: 21.4%
Veterans (of adults): 12.3%
Male / female: 50% / 50%

Income and poverty

Household income distribution

<$25k

$25–50k

$50–75k

$75–100k

10%

$100–150k

24%

$150–200k

18%

$200k+

28%

Median household income

21012

$139,432

Anne Arundel Co.

$124,911

Maryland

$103,678

United States

$80,734

Per capita income

$63,734

U.S. $44,673

Poverty rate

3.3%

U.S. 12.5%

Households earning $150K+

46.2%

U.S. 23%

Income inequality (Gini)

0.392

U.S. 0.483

Housing

Median home value

21012

$563,800

Anne Arundel Co.

$467,900

Maryland

$419,900

United States

$332,700

Median gross rent

21012

$2,166

Anne Arundel Co.

$2,071

Maryland

$1,705

United States

$1,413

Types of housing

Single-family

92%

2–4 units

0.2%

5–19 units

20+ units

Mobile home

0.4%

Boat, RV, van

0.2%

Housing units: 8,542
Owner-occupied: 86.3%
Vacant: 3.1%
Median year built: 1980
Median rooms: 7.6
Renters paying 30%+ of income: 46.6%
Renters paying 50%+ of income: 24.9%
Home value to income: 4.0× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

70%

Carpooled

Transit

0.4%

Walked

0.6%

Bicycle

0.6%

Worked from home

22%

Other

0.9%

Commute time (one way)

<10 min

10–19

30%

20–29

15%

30–44

26%

45–59

13%

60+

Average commute

28.2 min

U.S. 26.4 min

Unemployment

2.7%

U.S. 5.2%

In labor force

70.5%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

17%

Business and finance

11%

Office and admin

10%

Education

Sales

Healthcare

Computer and math

Transportation and moving

Construction and repair

Food service

Cleaning and personal care

Engineering and science

Legal and social services

Police and fire

Arts, media and sports

Production

Farming, fishing and forestry

Industries

Professional and technical services

17%

Education

12%

Public administration

12%

Health care and social assistance

12%

Retail

Finance, insurance and real estate

Restaurants and hotels

Construction

Wholesale

Other services

Manufacturing

Admin, support and management

Transportation, warehousing and utilities

Arts and recreation

Information

Agriculture and mining

0.5%

Median earnings per worker

$78,929

U.S. $49,666

Self-employed

7.9%

U.S. 10%

Government workers

23.8%

U.S. 14.5%

Nonprofit workers

8.3%

U.S. 8.8%

Median earnings by type of work

Type of work	21012	U.S.
Management, business, science and arts	$93,393	$74,888
Service	$24,744	$26,804
Sales and office	$63,237	$40,476
Construction and maintenance	$45,945	$49,199
Production and transportation	$85,476	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

13%

Some college

20%

Associate's

Bachelor's

32%

Graduate

25%

High school graduate or higher: 98%
Bachelor's degree or higher: 57.5%
Graduate or professional degree: 25.3%
Households with broadband: 98.7%
Cable, fiber or DSL: 90.4%
No internet access: 0.9%
Without health insurance: 2.4%
Limited-English households: 0.6%

Geography

City (USPS): Arnold
State: Maryland
County: Anne Arundel County
Center point: 39.0466° N, 76.4956° W
Land area: 9.8 sq mi
Water area: 2.8 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Arnold (unincorporated)98% of zip
Severna Park (unincorporated)1% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 21012

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
21405	Annapolis, MD	3.1 mi	495	$160,703	$986,100
21409	Annapolis, MD	3.4 mi	20,289	$147,151	$535,500
21056	Gibson Island, MD	3.9 mi	291	$250,000+	$2,000,000+
21146	Severna Park, MD	4.1 mi	28,591	$172,122	$659,800
21402	Annapolis, MD	4.2 mi	4,303	$80,893	—
21404	Annapolis, MD · PO box	4.7 mi	—	—	—
21122	Pasadena, MD	4.7 mi	61,566	$127,587	$425,800
21401	Annapolis, MD	5.1 mi	38,629	$123,381	$601,400
21032	Crownsville, MD	6 mi	8,850	$168,653	$682,100
21403	Annapolis, MD	7.2 mi	32,681	$123,329	$582,500
21062	Glen Burnie, MD · PO box	7.3 mi	—	—	—
21123	Pasadena, MD · PO box	7.3 mi	—	—	—

Zip codes like 21012 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 21012

What city is zip code 21012?

21012 is assigned to Arnold, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 21012 in?

21012 is in Anne Arundel County, Maryland.

What is the population of 21012?

About 22,570 people live in 21012, according to the Census Bureau's American Community Survey.

What time zone is 21012 in?

21012 is in Eastern Time.

What is the median household income in 21012?

The median household income in 21012 is $139,432.

What zip codes are near 21012?

The closest zip codes to 21012 are 21405, 21409, 21056, 21146, 21402.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21012, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.