Zip code 21030: Cockeysville, Maryland

Q: What city is zip code 21030?

21030 is assigned to Cockeysville, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 21030 in?

21030 is in Baltimore County, Maryland.

Q: What is the population of 21030?

About 25,827 people live in 21030, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 21030?

The median household income in 21030 is $89,015.

Q: What zip codes are near 21030?

The closest zip codes to 21030 are 21023, 21152, 21031, 21065, 21020.

Residential delivery areaBaltimore CountyEastern Time

Population

25,827

Median household income

$89K

U.S. $81K

Median home value

$451K

U.S. $333K

Median rent

$1,647/mo

U.S. $1,413

Median age

36.8

U.S. 38.9

Land area

24 sq mi

1,074 people/sq mi

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

About 21030

21030 is a suburban zip code in Cockeysville, Maryland (Baltimore County), covering 24 sq mi of land. About 25,827 people live here, or 1,074 per square mile. The median resident is 36.8 years old, compared with 38.9 nationally.

The median household earns $89,015 a year, close to the national median of $80,734. 10.6% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $450,700, or 5.1 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 44% of occupied homes are lived in by their owners, and renters pay a median of $1,647 a month.

52% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 24.3 minutes each way, and 14% of workers work from home. The most common jobs among working residents are in management; sales; and office and administrative support. 23% of households speak a language other than English at home, most often Spanish.

How 21030 compares

Sorted from highest to lowest national percentile

Income inequality (Gini)0.495
87th
WeaknessU.S. 0.483 · MD 0.45642nd of 438 in MD
Tech workers5.9%
85th
U.S. 3.8% · MD 6.4%172nd of 444 in MD
Diversity index65.2
84th
U.S. 61.4 · MD 67.764th of 446 in MD
Per capita income$58,154
83rd
StrengthU.S. $44,673 · MD $52,979157th of 446 in MD
Bachelor's degree or higher51.8%
81st
StrengthU.S. 35.7% · MD 43.4%108th of 445 in MD
Foreign-born residents18.8%
72nd
U.S. 14.1% · MD 16.6%73rd of 446 in MD
Median home value$450,700
69th
U.S. $332,700 · MD $419,900180th of 421 in MD
Median earnings per worker$54,429
66th
U.S. $49,666 · MD $61,200273rd of 443 in MD
Median gross rent$1,647
64th
U.S. $1,413 · MD $1,705168th of 338 in MD
Median household income$89,015
61st
U.S. $80,734 · MD $103,678264th of 414 in MD
Broadband access93.2%
59th
U.S. 91% · MD 92.4%220th of 441 in MD
Work from home14.1%
57th
U.S. 15.1% · MD 19.3%267th of 444 in MD
Unemployment rate5.2%
56th
U.S. 5.2% · MD 4.9%143rd of 444 in MD
Residents 65 and older17%
53rd
U.S. 17.2% · MD 16.7%255th of 446 in MD
Self-employed workers9.3%
50th
U.S. 10% · MD 8.7%203rd of 444 in MD
Rent-burdened renters50.6%
49th
U.S. 51.1% · MD 51.5%191st of 404 in MD
Poverty rate10.6%
48th
U.S. 12.5% · MD 9.4%127th of 441 in MD
Population density1,074/sq mi
45th
U.S. 95/sq mi · MD 639/sq mi158th of 446 in MD
Uninsured rate6.2%
44th
U.S. 8.4% · MD 6.3%111th of 444 in MD
Government workers13%
44th
U.S. 14.5% · MD 22.5%386th of 444 in MD
Population25,827
41st
U.S. 334,922,499 · MD 6,206,011102nd of 446 in MD
Average commute24.3 min
38th
U.S. 26.4 min · MD 31.1 min366th of 421 in MD
Residents under 1820.5%
36th
U.S. 22% · MD 22.2%267th of 446 in MD
Median age36.8
33rd
U.S. 38.9 · MD 39.4354th of 446 in MD
Housing vacancy4.6%
29th
U.S. 10.1% · MD 7.7%258th of 441 in MD
Veterans4.2%
28th
U.S. 6.2% · MD 6.8%363rd of 446 in MD
Healthcare workers7.3%
19th
U.S. 9.7% · MD 9%259th of 444 in MD
Homeownership rate43.7%
12th
WeaknessU.S. 65.2% · MD 67.6%410th of 441 in MD

Measure	21030	Baltimore	MD	U.S.	National percentile	Rank in MD
Income inequality (Gini)Weakness	0.495	0.458	0.456	0.483	87th	42nd of 438
Tech workers	5.9%	5.2%	6.4%	3.8%	85th	172nd of 444
Diversity index	65.2	63.6	67.7	61.4	84th	64th of 446
Per capita incomeStrength	$58,154	$49,074	$52,979	$44,673	83rd	157th of 446
Bachelor's degree or higherStrength	51.8%	42.3%	43.4%	35.7%	81st	108th of 445
Foreign-born residents	18.8%	13.2%	16.6%	14.1%	72nd	73rd of 446
Median home value	$450,700	$349,300	$419,900	$332,700	69th	180th of 421
Median earnings per worker	$54,429	$57,592	$61,200	$49,666	66th	273rd of 443
Median gross rent	$1,647	$1,627	$1,705	$1,413	64th	168th of 338
Median household income	$89,015	$91,768	$103,678	$80,734	61st	264th of 414
Broadband access	93.2%	91.4%	92.4%	91%	59th	220th of 441
Work from home	14.1%	16.5%	19.3%	15.1%	57th	267th of 444
Unemployment rate	5.2%	4.9%	4.9%	5.2%	56th	143rd of 444
Residents 65 and older	17%	18.1%	16.7%	17.2%	53rd	255th of 446
Self-employed workers	9.3%	8.2%	8.7%	10%	50th	203rd of 444
Rent-burdened renters	50.6%	54.2%	51.5%	51.1%	49th	191st of 404
Poverty rate	10.6%	9.8%	9.4%	12.5%	48th	127th of 441
Population density	1,074/sq mi	1,422/sq mi	639/sq mi	95/sq mi	45th	158th of 446
Uninsured rate	6.2%	5.4%	6.3%	8.4%	44th	111th of 444
Government workers	13%	19.1%	22.5%	14.5%	44th	386th of 444
Population	25,827	850,796	6,206,011	334,922,499	41st	102nd of 446
Average commute	24.3 min	28 min	31.1 min	26.4 min	38th	366th of 421
Residents under 18	20.5%	21.9%	22.2%	22%	36th	267th of 446
Median age	36.8	39.7	39.4	38.9	33rd	354th of 446
Housing vacancy	4.6%	5.1%	7.7%	10.1%	29th	258th of 441
Veterans	4.2%	5.8%	6.8%	6.2%	28th	363rd of 446
Healthcare workers	7.3%	10.8%	9%	9.7%	19th	259th of 444
Homeownership rateWeakness	43.7%	66.4%	67.6%	65.2%	12th	410th 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

16%

5–17

18–24

19%

25–34

12%

35–44

13%

45–54

10%

55–64

10%

65–74

75+

Median age

36.8

Under 18

20.5%

65 and over

17%

Race and ethnicity

White53%
Black17%
Hispanic15%
Asian9%
Native American0.0%
Pacific Islander0%
Other0.0%
Multiracial5%

Diversity index

65.2

U.S. 61.4

Foreign-born

18.8%

U.S. 14.1%

Born in state

54.1%

Language spoken at home (households)

English only

77%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 10,900
Average household size: 2.3
Family households: 58%
Married couples: 43.3%
Living alone: 32%
Veterans (of adults): 4.2%
Male / female: 52% / 48%

Income and poverty

Household income distribution

<$25k

11%

$25–50k

17%

$50–75k

15%

$75–100k

11%

$100–150k

15%

$150–200k

10%

$200k+

21%

Median household income

21030

$89,015

Baltimore Co.

$91,768

Maryland

$103,678

United States

$80,734

Per capita income

$58,154

U.S. $44,673

Poverty rate

10.6%

U.S. 12.5%

Households earning $150K+

30.6%

U.S. 23%

Income inequality (Gini)

0.495

U.S. 0.483

Housing

Median home value

21030

$450,700

Baltimore Co.

$349,300

Maryland

$419,900

United States

$332,700

Median gross rent

21030

$1,647

Baltimore Co.

$1,627

Maryland

$1,705

United States

$1,413

Types of housing

Single-family

43%

2–4 units

5–19 units

46%

20+ units

Mobile home

0.1%

Boat, RV, van

Housing units: 11,421
Owner-occupied: 43.7%
Vacant: 4.6%
Median year built: 1978
Median rooms: 5
Renters paying 30%+ of income: 50.6%
Renters paying 50%+ of income: 22.6%
Home value to income: 5.1× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

73%

Carpooled

Transit

Walked

Bicycle

0.1%

Worked from home

14%

Other

Commute time (one way)

<10 min

11%

10–19

35%

20–29

16%

30–44

24%

45–59

60+

Average commute

24.3 min

U.S. 26.4 min

Unemployment

5.2%

U.S. 5.2%

In labor force

70%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

14%

Sales

10%

Office and admin

10%

Business and finance

Healthcare

Cleaning and personal care

Computer and math

Construction and repair

Food service

Engineering and science

Education

Transportation and moving

Arts, media and sports

Production

Legal and social services

Police and fire

Farming, fishing and forestry

0.0%

Industries

Health care and social assistance

13%

Professional and technical services

12%

Retail

11%

Manufacturing

11%

Finance, insurance and real estate

Education

Restaurants and hotels

Admin, support and management

Other services

Public administration

Construction

Transportation, warehousing and utilities

Information

Wholesale

Agriculture and mining

Arts and recreation

Median earnings per worker

$54,429

U.S. $49,666

Self-employed

9.3%

U.S. 10%

Government workers

13%

U.S. 14.5%

Nonprofit workers

8.7%

U.S. 8.8%

Median earnings by type of work

Type of work	21030	U.S.
Management, business, science and arts	$79,757	$74,888
Service	$26,883	$26,804
Sales and office	$46,614	$40,476
Construction and maintenance	$38,006	$49,199
Production and transportation	$37,188	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

21%

Some college

15%

Associate's

Bachelor's

30%

Graduate

21%

High school graduate or higher: 92%
Bachelor's degree or higher: 51.8%
Graduate or professional degree: 21.5%
Households with broadband: 93.2%
Cable, fiber or DSL: 81.1%
No internet access: 3%
Without health insurance: 6.2%
Limited-English households: 3.9%

Geography

City (USPS): Cockeysville
State: Maryland
County: Baltimore County
Center point: 39.5158° N, 76.6988° W
Land area: 24 sq mi
Water area: 0.5 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Cockeysville (unincorporated)41% of zip

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

Zip codes near 21030

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
21023	Butler, MD	2.3 mi	66	$84,474	$881,600
21152	Sparks Glencoe, MD	2.8 mi	6,459	$121,350	$495,700
21031	Hunt Valley, MD	2.9 mi	26	—	—
21065	Hunt Valley, MD · PO box	3.1 mi	—	—	—
21020	Boring, MD · PO box	5.7 mi	—	—	—
21131	Phoenix, MD	5.9 mi	7,141	$197,619	$686,000
21093	Lutherville Timonium, MD	6.2 mi	39,100	$125,528	$477,700
21071	Glyndon, MD	6.3 mi	404	$213,500	$450,500
21153	Stevenson, MD	6.8 mi	456	$220,179	$902,300
21155	Upperco, MD	7 mi	3,313	$123,158	$479,500
21111	Monkton, MD	7.1 mi	4,714	$136,304	$607,200
21117	Owings Mills, MD	7.4 mi	62,816	$101,831	$387,400

Zip codes like 21030 elsewhere

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

Questions about 21030

What city is zip code 21030?

21030 is assigned to Cockeysville, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 21030 in?

21030 is in Baltimore County, Maryland.

What is the population of 21030?

About 25,827 people live in 21030, according to the Census Bureau's American Community Survey.

What time zone is 21030 in?

21030 is in Eastern Time.

What is the median household income in 21030?

The median household income in 21030 is $89,015.

What zip codes are near 21030?

The closest zip codes to 21030 are 21023, 21152, 21031, 21065, 21020.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21030, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.