Zip code 21128: Perry Hall, Maryland

Q: What city is zip code 21128?

21128 is assigned to Perry Hall, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 21128 in?

21128 is in Baltimore County, Maryland.

Q: What is the population of 21128?

About 15,501 people live in 21128, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 21128?

The median household income in 21128 is $128,069.

Q: What zip codes are near 21128?

The closest zip codes to 21128 are 21236, 21162, 21156, 21087, 21234.

Residential delivery areaBaltimore CountyEastern Time

Population

15,501

Median household income

$128K

U.S. $81K

Median home value

$450K

U.S. $333K

Median rent

$1,935/mo

U.S. $1,413

Median age

40.1

U.S. 38.9

Land area

6.8 sq mi

2,277 people/sq mi

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

About 21128

21128 is a suburban zip code in Perry Hall, Maryland (Baltimore County), covering 6.8 sq mi of land. About 15,501 people live here, or 2,277 per square mile. The median resident is 40.1 years old, compared with 38.9 nationally.

The median household earns $128,069 a year, 59% above the national median of $80,734. 3.1% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $449,500, or 3.5 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 84% of occupied homes are lived in by their owners, and renters pay a median of $1,935 a month.

55% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 33.2 minutes each way, and 16% of workers work from home. The most common jobs among working residents are in management, healthcare and sales. 26% of households speak a language other than English at home, most often another Indo-European language such as French, German, Russian or Hindi.

How 21128 compares

Sorted from highest to lowest national percentile

Government workers21.8%
89th
U.S. 14.5% · MD 22.5%205th of 444 in MD
Median household income$128,069
88th
StrengthU.S. $80,734 · MD $103,678130th of 414 in MD
Median earnings per worker$71,700
88th
StrengthU.S. $49,666 · MD $61,200151st of 443 in MD
Homeownership rate84%
87th
StrengthU.S. 65.2% · MD 67.6%193rd of 441 in MD
Average commute33.2 min
87th
WeaknessU.S. 26.4 min · MD 31.1 min164th of 421 in MD
Healthcare workers12.7%
86th
U.S. 9.7% · MD 9%58th of 444 in MD
Bachelor's degree or higher54.8%
84th
StrengthU.S. 35.7% · MD 43.4%93rd of 445 in MD
Tech workers5.7%
84th
U.S. 3.8% · MD 6.4%180th of 444 in MD
Median gross rent$1,935
81st
U.S. $1,413 · MD $1,70591st of 338 in MD
Per capita income$54,499
79th
U.S. $44,673 · MD $52,979196th of 446 in MD
Broadband access95.4%
79th
U.S. 91% · MD 92.4%151st of 441 in MD
Foreign-born residents18.9%
73rd
U.S. 14.1% · MD 16.6%72nd of 446 in MD
Median home value$449,500
69th
U.S. $332,700 · MD $419,900184th of 421 in MD
Diversity index56.9
65th
U.S. 61.4 · MD 67.7132nd of 446 in MD
Work from home15.5%
63rd
U.S. 15.1% · MD 19.3%238th of 444 in MD
Veterans6.8%
63rd
U.S. 6.2% · MD 6.8%238th of 446 in MD
Population density2,277/sq mi
60th
U.S. 95/sq mi · MD 639/sq mi106th of 446 in MD
Median age40.1
58th
U.S. 38.9 · MD 39.4268th of 446 in MD
Residents 65 and older17.5%
57th
U.S. 17.2% · MD 16.7%235th of 446 in MD
Residents under 1821.7%
46th
U.S. 22% · MD 22.2%218th of 446 in MD
Housing vacancy5.2%
35th
U.S. 10.1% · MD 7.7%228th of 441 in MD
Population15,501
24th
U.S. 334,922,499 · MD 6,206,011149th of 446 in MD
Self-employed workers7%
19th
U.S. 10% · MD 8.7%300th of 444 in MD
Uninsured rate3%
12th
StrengthU.S. 8.4% · MD 6.3%262nd of 444 in MD
Income inequality (Gini)0.383
11th
StrengthU.S. 0.483 · MD 0.456287th of 438 in MD
Rent-burdened renters36.3%
10th
StrengthU.S. 51.1% · MD 51.5%307th of 404 in MD
Unemployment rate2.3%
8th
StrengthU.S. 5.2% · MD 4.9%324th of 444 in MD
Poverty rate3.1%
3rd
StrengthU.S. 12.5% · MD 9.4%353rd of 441 in MD

Measure	21128	Baltimore	MD	U.S.	National percentile	Rank in MD
Government workers	21.8%	19.1%	22.5%	14.5%	89th	205th of 444
Median household incomeStrength	$128,069	$91,768	$103,678	$80,734	88th	130th of 414
Median earnings per workerStrength	$71,700	$57,592	$61,200	$49,666	88th	151st of 443
Homeownership rateStrength	84%	66.4%	67.6%	65.2%	87th	193rd of 441
Average commuteWeakness	33.2 min	28 min	31.1 min	26.4 min	87th	164th of 421
Healthcare workers	12.7%	10.8%	9%	9.7%	86th	58th of 444
Bachelor's degree or higherStrength	54.8%	42.3%	43.4%	35.7%	84th	93rd of 445
Tech workers	5.7%	5.2%	6.4%	3.8%	84th	180th of 444
Median gross rent	$1,935	$1,627	$1,705	$1,413	81st	91st of 338
Per capita income	$54,499	$49,074	$52,979	$44,673	79th	196th of 446
Broadband access	95.4%	91.4%	92.4%	91%	79th	151st of 441
Foreign-born residents	18.9%	13.2%	16.6%	14.1%	73rd	72nd of 446
Median home value	$449,500	$349,300	$419,900	$332,700	69th	184th of 421
Diversity index	56.9	63.6	67.7	61.4	65th	132nd of 446
Work from home	15.5%	16.5%	19.3%	15.1%	63rd	238th of 444
Veterans	6.8%	5.8%	6.8%	6.2%	63rd	238th of 446
Population density	2,277/sq mi	1,422/sq mi	639/sq mi	95/sq mi	60th	106th of 446
Median age	40.1	39.7	39.4	38.9	58th	268th of 446
Residents 65 and older	17.5%	18.1%	16.7%	17.2%	57th	235th of 446
Residents under 18	21.7%	21.9%	22.2%	22%	46th	218th of 446
Housing vacancy	5.2%	5.1%	7.7%	10.1%	35th	228th of 441
Population	15,501	850,796	6,206,011	334,922,499	24th	149th of 446
Self-employed workers	7%	8.2%	8.7%	10%	19th	300th of 444
Uninsured rateStrength	3%	5.4%	6.3%	8.4%	12th	262nd of 444
Income inequality (Gini)Strength	0.383	0.458	0.456	0.483	11th	287th of 438
Rent-burdened rentersStrength	36.3%	54.2%	51.5%	51.1%	10th	307th of 404
Unemployment rateStrength	2.3%	4.9%	4.9%	5.2%	8th	324th of 444
Poverty rateStrength	3.1%	9.8%	9.4%	12.5%	3rd	353rd 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

17%

5–17

18–24

12%

25–34

13%

35–44

14%

45–54

13%

55–64

10%

65–74

75+

Median age

40.1

Under 18

21.7%

65 and over

17.5%

Race and ethnicity

White62%
Black11%
Hispanic7%
Asian16%
Native American0%
Pacific Islander0%
Other0%
Multiracial4%

Diversity index

56.9

U.S. 61.4

Foreign-born

18.9%

U.S. 14.1%

Born in state

65%

Language spoken at home (households)

English only

74%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 5,609
Average household size: 2.8
Family households: 70.9%
Married couples: 59.8%
Living alone: 24.5%
Veterans (of adults): 6.8%
Male / female: 51% / 49%

Income and poverty

Household income distribution

<$25k

$25–50k

10%

$50–75k

11%

$75–100k

$100–150k

24%

$150–200k

14%

$200k+

26%

Median household income

21128

$128,069

Baltimore Co.

$91,768

Maryland

$103,678

United States

$80,734

Per capita income

$54,499

U.S. $44,673

Poverty rate

3.1%

U.S. 12.5%

Households earning $150K+

40.1%

U.S. 23%

Income inequality (Gini)

0.383

U.S. 0.483

Housing

Median home value

21128

$449,500

Baltimore Co.

$349,300

Maryland

$419,900

United States

$332,700

Median gross rent

21128

$1,935

Baltimore Co.

$1,627

Maryland

$1,705

United States

$1,413

Types of housing

Single-family

76%

2–4 units

5–19 units

20%

20+ units

Mobile home

Boat, RV, van

Housing units: 5,917
Owner-occupied: 84%
Vacant: 5.2%
Median year built: 2000
Median rooms: 6.9
Renters paying 30%+ of income: 36.3%
Renters paying 50%+ of income: 17.2%
Home value to income: 3.5× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

70%

Carpooled

Transit

Walked

Bicycle

Worked from home

15%

Other

Commute time (one way)

<10 min

10–19

18%

20–29

22%

30–44

32%

45–59

60+

12%

Average commute

33.2 min

U.S. 26.4 min

Unemployment

2.3%

U.S. 5.2%

In labor force

67.3%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

16%

Healthcare

13%

Sales

12%

Office and admin

11%

Business and finance

10%

Education

Engineering and science

Computer and math

Construction and repair

Transportation and moving

Cleaning and personal care

Arts, media and sports

Legal and social services

Food service

Police and fire

Production

Farming, fishing and forestry

0.1%

Industries

Health care and social assistance

22%

Retail

12%

Public administration

11%

Education

11%

Professional and technical services

Finance, insurance and real estate

Construction

Other services

Manufacturing

Wholesale

Transportation, warehousing and utilities

Restaurants and hotels

Information

Arts and recreation

Admin, support and management

Agriculture and mining

0.1%

Median earnings per worker

$71,700

U.S. $49,666

Self-employed

U.S. 10%

Government workers

21.8%

U.S. 14.5%

Nonprofit workers

13.9%

U.S. 8.8%

Median earnings by type of work

Type of work	21128	U.S.
Management, business, science and arts	$92,405	$74,888
Service	$27,278	$26,804
Sales and office	$49,423	$40,476
Construction and maintenance	$55,147	$49,199
Production and transportation	$41,638	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

17%

Some college

17%

Associate's

Bachelor's

31%

Graduate

24%

High school graduate or higher: 94.4%
Bachelor's degree or higher: 54.8%
Graduate or professional degree: 23.8%
Households with broadband: 95.4%
Cable, fiber or DSL: 85.1%
No internet access: 3%
Without health insurance: 3%
Limited-English households: 4.4%

Geography

City (USPS): Perry Hall
State: Maryland
County: Baltimore County
Center point: 39.4047° N, 76.4482° W
Land area: 6.8 sq mi
Water area: under 0.1 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Honeygo (unincorporated)51% of zip
White Marsh (unincorporated)32% of zip
Perry Hall (unincorporated)18% of zip

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

Zip codes near 21128

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
21236	Nottingham, MD	2.2 mi	39,514	$95,149	$327,200
21162	White Marsh, MD	2.5 mi	4,639	$157,813	$451,600
21156	Upper Falls, MD	2.9 mi	204	—	$793,800
21087	Kingsville, MD	3.6 mi	5,537	$129,188	$534,300
21234	Parkville, MD	4.5 mi	66,334	$83,517	$288,100
21057	Glen Arm, MD	4.6 mi	4,386	$145,924	$623,200
21051	Fork, MD	4.7 mi	172	$232,721	$698,500
21027	Chase, MD · PO box	5 mi	—	—	—
21237	Rosedale, MD	5 mi	31,425	$91,693	$295,600
21220	Middle River, MD	5.2 mi	42,824	$81,817	$300,100
21082	Hydes, MD	5.3 mi	626	$145,571	$485,500
21085	Joppa, MD	5.6 mi	17,307	$113,714	$348,600

Zip codes like 21128 elsewhere

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

Questions about 21128

What city is zip code 21128?

21128 is assigned to Perry Hall, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 21128 in?

21128 is in Baltimore County, Maryland.

What is the population of 21128?

About 15,501 people live in 21128, according to the Census Bureau's American Community Survey.

What time zone is 21128 in?

21128 is in Eastern Time.

What is the median household income in 21128?

The median household income in 21128 is $128,069.

What zip codes are near 21128?

The closest zip codes to 21128 are 21236, 21162, 21156, 21087, 21234.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21128, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.