Zip code 21220: Middle River, Maryland

Q: What city is zip code 21220?

21220 is assigned to Middle River, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 21220 in?

21220 is in Baltimore County, Maryland.

Q: What is the population of 21220?

About 42,824 people live in 21220, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 21220?

The median household income in 21220 is $81,817.

Q: What zip codes are near 21220?

The closest zip codes to 21220 are 21027, 21162, 21221, 21128, 21237.

Residential delivery areaBaltimore CountyEastern Time

Population

42,824

Median household income

$82K

U.S. $81K

Median home value

$300K

U.S. $333K

Median rent

$1,673/mo

U.S. $1,413

Median age

37.7

U.S. 38.9

Land area

21 sq mi

2,022 people/sq mi

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

About 21220

21220 is a suburban zip code in Middle River, Maryland (Baltimore County), covering 21 sq mi of land. About 42,824 people live here, or 2,022 per square mile. The median resident is 37.7 years old, compared with 38.9 nationally.

The median household earns $81,817 a year, close to the national median of $80,734. 13.6% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $300,100, or 3.7 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 69% of occupied homes are lived in by their owners, and renters pay a median of $1,673 a month.

30% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 30 minutes each way, and 12% of workers work from home. The most common jobs among working residents are in office and administrative support; healthcare; and transportation and moving goods.

How 21220 compares

Sorted from highest to lowest national percentile

Rent-burdened renters64.1%
91st
WeaknessU.S. 51.1% · MD 51.5%71st of 404 in MD
Tech workers5.4%
82nd
U.S. 3.8% · MD 6.4%192nd of 444 in MD
Healthcare workers11.9%
80th
U.S. 9.7% · MD 9%74th of 444 in MD
Diversity index62.9
78th
U.S. 61.4 · MD 67.786th of 446 in MD
Government workers17.9%
76th
U.S. 14.5% · MD 22.5%308th of 444 in MD
Average commute30 min
74th
U.S. 26.4 min · MD 31.1 min247th of 421 in MD
Population42,824
72nd
U.S. 334,922,499 · MD 6,206,01134th of 446 in MD
Median earnings per worker$55,421
68th
U.S. $49,666 · MD $61,200263rd of 443 in MD
Median gross rent$1,673
66th
U.S. $1,413 · MD $1,705157th of 338 in MD
Poverty rate13.6%
64th
U.S. 12.5% · MD 9.4%85th of 441 in MD
Broadband access93.7%
64th
U.S. 91% · MD 92.4%206th of 441 in MD
Foreign-born residents12.8%
59th
U.S. 14.1% · MD 16.6%117th of 446 in MD
Veterans6.4%
58th
U.S. 6.2% · MD 6.8%261st of 446 in MD
Housing vacancy7.7%
58th
U.S. 10.1% · MD 7.7%159th of 441 in MD
Population density2,022/sq mi
57th
U.S. 95/sq mi · MD 639/sq mi114th of 446 in MD
Residents under 1822.9%
57th
U.S. 22% · MD 22.2%164th of 446 in MD
Per capita income$41,843
55th
U.S. $44,673 · MD $52,979308th of 446 in MD
Median household income$81,817
52nd
U.S. $80,734 · MD $103,678314th of 414 in MD
Homeownership rate68.8%
50th
U.S. 65.2% · MD 67.6%316th of 441 in MD
Income inequality (Gini)0.434
49th
U.S. 0.483 · MD 0.456127th of 438 in MD
Work from home12.1%
47th
U.S. 15.1% · MD 19.3%305th of 444 in MD
Bachelor's degree or higher30%
46th
U.S. 35.7% · MD 43.4%282nd of 445 in MD
Median home value$300,100
44th
U.S. $332,700 · MD $419,900321st of 421 in MD
Median age37.7
40th
U.S. 38.9 · MD 39.4330th of 446 in MD
Uninsured rate5.5%
38th
U.S. 8.4% · MD 6.3%134th of 444 in MD
Unemployment rate4.2%
37th
U.S. 5.2% · MD 4.9%196th of 444 in MD
Residents 65 and older13.8%
29th
U.S. 17.2% · MD 16.7%342nd of 446 in MD
Self-employed workers5.9%
9th
U.S. 10% · MD 8.7%346th of 444 in MD

Measure	21220	Baltimore	MD	U.S.	National percentile	Rank in MD
Rent-burdened rentersWeakness	64.1%	54.2%	51.5%	51.1%	91st	71st of 404
Tech workers	5.4%	5.2%	6.4%	3.8%	82nd	192nd of 444
Healthcare workers	11.9%	10.8%	9%	9.7%	80th	74th of 444
Diversity index	62.9	63.6	67.7	61.4	78th	86th of 446
Government workers	17.9%	19.1%	22.5%	14.5%	76th	308th of 444
Average commute	30 min	28 min	31.1 min	26.4 min	74th	247th of 421
Population	42,824	850,796	6,206,011	334,922,499	72nd	34th of 446
Median earnings per worker	$55,421	$57,592	$61,200	$49,666	68th	263rd of 443
Median gross rent	$1,673	$1,627	$1,705	$1,413	66th	157th of 338
Poverty rate	13.6%	9.8%	9.4%	12.5%	64th	85th of 441
Broadband access	93.7%	91.4%	92.4%	91%	64th	206th of 441
Foreign-born residents	12.8%	13.2%	16.6%	14.1%	59th	117th of 446
Veterans	6.4%	5.8%	6.8%	6.2%	58th	261st of 446
Housing vacancy	7.7%	5.1%	7.7%	10.1%	58th	159th of 441
Population density	2,022/sq mi	1,422/sq mi	639/sq mi	95/sq mi	57th	114th of 446
Residents under 18	22.9%	21.9%	22.2%	22%	57th	164th of 446
Per capita income	$41,843	$49,074	$52,979	$44,673	55th	308th of 446
Median household income	$81,817	$91,768	$103,678	$80,734	52nd	314th of 414
Homeownership rate	68.8%	66.4%	67.6%	65.2%	50th	316th of 441
Income inequality (Gini)	0.434	0.458	0.456	0.483	49th	127th of 438
Work from home	12.1%	16.5%	19.3%	15.1%	47th	305th of 444
Bachelor's degree or higher	30%	42.3%	43.4%	35.7%	46th	282nd of 445
Median home value	$300,100	$349,300	$419,900	$332,700	44th	321st of 421
Median age	37.7	39.7	39.4	38.9	40th	330th of 446
Uninsured rate	5.5%	5.4%	6.3%	8.4%	38th	134th of 444
Unemployment rate	4.2%	4.9%	4.9%	5.2%	37th	196th of 444
Residents 65 and older	13.8%	18.1%	16.7%	17.2%	29th	342nd of 446
Self-employed workers	5.9%	8.2%	8.7%	10%	9th	346th of 444

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

16%

5–17

18–24

14%

25–34

15%

35–44

12%

45–54

14%

55–64

65–74

75+

Median age

37.7

Under 18

22.9%

65 and over

13.8%

Race and ethnicity

White52%
Black31%
Hispanic5%
Asian6%
Native American0.1%
Pacific Islander0.0%
Other0.1%
Multiracial6%

Diversity index

62.9

U.S. 61.4

Foreign-born

12.8%

U.S. 14.1%

Born in state

68%

Language spoken at home (households)

English only

84%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 16,544
Average household size: 2.6
Family households: 65.8%
Married couples: 41.2%
Living alone: 25.3%
Veterans (of adults): 6.4%
Male / female: 47% / 53%

Income and poverty

Household income distribution

<$25k

12%

$25–50k

17%

$50–75k

15%

$75–100k

15%

$100–150k

18%

$150–200k

10%

$200k+

12%

Median household income

21220

$81,817

Baltimore Co.

$91,768

Maryland

$103,678

United States

$80,734

Per capita income

$41,843

U.S. $44,673

Poverty rate

13.6%

U.S. 12.5%

Households earning $150K+

22.7%

U.S. 23%

Income inequality (Gini)

0.434

U.S. 0.483

Housing

Median home value

21220

$300,100

Baltimore Co.

$349,300

Maryland

$419,900

United States

$332,700

Median gross rent

21220

$1,673

Baltimore Co.

$1,627

Maryland

$1,705

United States

$1,413

Types of housing

Single-family

76%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 17,918
Owner-occupied: 68.8%
Vacant: 7.7%
Median year built: 1982
Median rooms: 5.9
Renters paying 30%+ of income: 64.1%
Renters paying 50%+ of income: 39.3%
Home value to income: 3.7× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

74%

Carpooled

Transit

Walked

Bicycle

0.0%

Worked from home

12%

Other

Commute time (one way)

<10 min

10–19

21%

20–29

21%

30–44

29%

45–59

12%

60+

11%

Average commute

30 min

U.S. 26.4 min

Unemployment

4.2%

U.S. 5.2%

In labor force

67.3%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Office and admin

12%

Healthcare

12%

Transportation and moving

12%

Management

Sales

Construction and repair

Education

Business and finance

Cleaning and personal care

Computer and math

Production

Legal and social services

Police and fire

Engineering and science

Food service

Arts, media and sports

Farming, fishing and forestry

0.1%

Industries

Health care and social assistance

15%

Retail

11%

Education

10%

Transportation, warehousing and utilities

Public administration

Manufacturing

Construction

Professional and technical services

Finance, insurance and real estate

Restaurants and hotels

Other services

Admin, support and management

Wholesale

Information

Arts and recreation

Agriculture and mining

0.3%

Median earnings per worker

$55,421

U.S. $49,666

Self-employed

5.9%

U.S. 10%

Government workers

17.9%

U.S. 14.5%

Nonprofit workers

11.5%

U.S. 8.8%

Median earnings by type of work

Type of work	21220	U.S.
Management, business, science and arts	$80,152	$74,888
Service	$31,238	$26,804
Sales and office	$43,346	$40,476
Construction and maintenance	$66,979	$49,199
Production and transportation	$40,905	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

10%

High school

32%

Some college

19%

Associate's

Bachelor's

19%

Graduate

11%

High school graduate or higher: 89.6%
Bachelor's degree or higher: 30%
Graduate or professional degree: 10.6%
Households with broadband: 93.7%
Cable, fiber or DSL: 77%
No internet access: 4.1%
Without health insurance: 5.5%
Limited-English households: 2%

Geography

City (USPS): Middle River
State: Maryland
County: Baltimore County
Center point: 39.3431° N, 76.3909° W
Land area: 21 sq mi
Water area: 6.7 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Middle River (unincorporated)52% of zip
Bowleys Quarters (unincorporated)15% of zip

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

Zip codes near 21220

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
21027	Chase, MD · PO box	1.8 mi	—	—	—
21162	White Marsh, MD	3.3 mi	4,639	$157,813	$451,600
21221	Essex, MD	4.3 mi	43,487	$67,340	$271,500
21128	Perry Hall, MD	5.2 mi	15,501	$128,069	$449,500
21237	Rosedale, MD	5.6 mi	31,425	$91,693	$295,600
21236	Nottingham, MD	5.9 mi	39,514	$95,149	$327,200
21156	Upper Falls, MD	6 mi	204	—	$793,800
21010	Gunpowder, MD	6.2 mi	239	$99,410	—
21085	Joppa, MD	7.3 mi	17,307	$113,714	$348,600
21087	Kingsville, MD	7.4 mi	5,537	$129,188	$534,300
21222	Dundalk, MD	7.8 mi	59,407	$64,141	$215,900
21206	Baltimore, MD	7.9 mi	48,902	$64,531	$216,100

Zip codes like 21220 elsewhere

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

Questions about 21220

What city is zip code 21220?

21220 is assigned to Middle River, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 21220 in?

21220 is in Baltimore County, Maryland.

What is the population of 21220?

About 42,824 people live in 21220, according to the Census Bureau's American Community Survey.

What time zone is 21220 in?

21220 is in Eastern Time.

What is the median household income in 21220?

The median household income in 21220 is $81,817.

What zip codes are near 21220?

The closest zip codes to 21220 are 21027, 21162, 21221, 21128, 21237.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21220, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.