Zip code 21230: Baltimore, Maryland

Q: What city is zip code 21230?

21230 is assigned to Baltimore, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 21230 in?

21230 is in Baltimore city, Maryland.

Q: What is the population of 21230?

About 32,977 people live in 21230, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 21230?

The median household income in 21230 is $91,842.

Q: What zip codes are near 21230?

The closest zip codes to 21230 are 21203, 21235, 21241, 21263, 21264.

Residential delivery areaBaltimore cityEastern Time

Population

32,977

Median household income

$92K

U.S. $81K

Median home value

$330K

U.S. $333K

Median rent

$1,717/mo

U.S. $1,413

Median age

33.9

U.S. 38.9

Land area

6.3 sq mi

5,220 people/sq mi

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

About 21230

21230 is an urban zip code in Baltimore, Maryland (Baltimore city), covering 6.3 sq mi of land. About 32,977 people live here, or 5,220 per square mile. The median resident is 33.9 years old, compared with 38.9 nationally.

The median household earns $91,842 a year, close to the national median of $80,734. 15.2% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $330,100, or 3.6 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 51% of occupied homes are lived in by their owners, and renters pay a median of $1,717 a month.

59% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 26.4 minutes each way, and 23% of workers work from home. The most common jobs among working residents are in management; business and finance; and healthcare.

How 21230 compares

Sorted from highest to lowest national percentile

Median earnings per worker$76,543
91st
StrengthU.S. $49,666 · MD $61,200114th of 443 in MD
Tech workers6.9%
90th
U.S. 3.8% · MD 6.4%137th of 444 in MD
Bachelor's degree or higher58.8%
88th
StrengthU.S. 35.7% · MD 43.4%71st of 445 in MD
Per capita income$63,213
87th
StrengthU.S. $44,673 · MD $52,979106th of 446 in MD
Work from home23.4%
85th
U.S. 15.1% · MD 19.3%111th of 444 in MD
Population density5,220/sq mi
82nd
U.S. 95/sq mi · MD 639/sq mi42nd of 446 in MD
Income inequality (Gini)0.481
82nd
WeaknessU.S. 0.483 · MD 0.45657th of 438 in MD
Diversity index62.6
78th
U.S. 61.4 · MD 67.789th of 446 in MD
Housing vacancy10.7%
74th
U.S. 10.1% · MD 7.7%115th of 441 in MD
Government workers17.5%
74th
U.S. 14.5% · MD 22.5%319th of 444 in MD
Healthcare workers11.2%
73rd
U.S. 9.7% · MD 9%94th of 444 in MD
Poverty rate15.2%
70th
U.S. 12.5% · MD 9.4%71st of 441 in MD
Median gross rent$1,717
69th
U.S. $1,413 · MD $1,705148th of 338 in MD
Median household income$91,842
64th
U.S. $80,734 · MD $103,678247th of 414 in MD
Population32,977
55th
U.S. 334,922,499 · MD 6,206,01172nd of 446 in MD
Average commute26.4 min
53rd
U.S. 26.4 min · MD 31.1 min342nd of 421 in MD
Rent-burdened renters51.1%
51st
U.S. 51.1% · MD 51.5%184th of 404 in MD
Foreign-born residents9.9%
50th
U.S. 14.1% · MD 16.6%157th of 446 in MD
Median home value$330,100
49th
U.S. $332,700 · MD $419,900304th of 421 in MD
Uninsured rate5.1%
34th
U.S. 8.4% · MD 6.3%156th of 444 in MD
Unemployment rate3.8%
30th
U.S. 5.2% · MD 4.9%232nd of 444 in MD
Veterans3.9%
25th
U.S. 6.2% · MD 6.8%377th of 446 in MD
Broadband access88.1%
24th
U.S. 91% · MD 92.4%330th of 441 in MD
Residents under 1818.8%
23rd
U.S. 22% · MD 22.2%317th of 446 in MD
Homeownership rate50.7%
19th
WeaknessU.S. 65.2% · MD 67.6%394th of 441 in MD
Median age33.9
15th
U.S. 38.9 · MD 39.4407th of 446 in MD
Residents 65 and older11.5%
15th
U.S. 17.2% · MD 16.7%399th of 446 in MD
Self-employed workers5.5%
7th
U.S. 10% · MD 8.7%368th of 444 in MD

Measure	21230	Baltimore city	MD	U.S.	National percentile	Rank in MD
Median earnings per workerStrength	$76,543	$51,879	$61,200	$49,666	91st	114th of 443
Tech workers	6.9%	4.7%	6.4%	3.8%	90th	137th of 444
Bachelor's degree or higherStrength	58.8%	36.1%	43.4%	35.7%	88th	71st of 445
Per capita incomeStrength	$63,213	$40,604	$52,979	$44,673	87th	106th of 446
Work from home	23.4%	17.8%	19.3%	15.1%	85th	111th of 444
Population density	5,220/sq mi	7,082/sq mi	639/sq mi	95/sq mi	82nd	42nd of 446
Income inequality (Gini)Weakness	0.481	0.508	0.456	0.483	82nd	57th of 438
Diversity index	62.6	58.1	67.7	61.4	78th	89th of 446
Housing vacancy	10.7%	13.3%	7.7%	10.1%	74th	115th of 441
Government workers	17.5%	20.4%	22.5%	14.5%	74th	319th of 444
Healthcare workers	11.2%	11%	9%	9.7%	73rd	94th of 444
Poverty rate	15.2%	19.7%	9.4%	12.5%	70th	71st of 441
Median gross rent	$1,717	$1,331	$1,705	$1,413	69th	148th of 338
Median household income	$91,842	$62,177	$103,678	$80,734	64th	247th of 414
Population	32,977	573,243	6,206,011	334,922,499	55th	72nd of 446
Average commute	26.4 min	29.1 min	31.1 min	26.4 min	53rd	342nd of 421
Rent-burdened renters	51.1%	53.7%	51.5%	51.1%	51st	184th of 404
Foreign-born residents	9.9%	9.3%	16.6%	14.1%	50th	157th of 446
Median home value	$330,100	$229,600	$419,900	$332,700	49th	304th of 421
Uninsured rate	5.1%	5.9%	6.3%	8.4%	34th	156th of 444
Unemployment rate	3.8%	6.5%	4.9%	5.2%	30th	232nd of 444
Veterans	3.9%	4.7%	6.8%	6.2%	25th	377th of 446
Broadband access	88.1%	85.4%	92.4%	91%	24th	330th of 441
Residents under 18	18.8%	20.9%	22.2%	22%	23rd	317th of 446
Homeownership rateWeakness	50.7%	47.5%	67.6%	65.2%	19th	394th of 441
Median age	33.9	36.2	39.4	38.9	15th	407th of 446
Residents 65 and older	11.5%	15.3%	16.7%	17.2%	15th	399th of 446
Self-employed workers	5.5%	6.4%	8.7%	10%	7th	368th 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

13%

5–17

18–24

27%

25–34

16%

35–44

45–54

11%

55–64

65–74

75+

Median age

33.9

Under 18

18.8%

65 and over

11.5%

Race and ethnicity

White55%
Black24%
Hispanic12%
Asian3%
Native American0.1%
Pacific Islander0%
Other0.9%
Multiracial5%

Diversity index

62.6

U.S. 61.4

Foreign-born

9.9%

U.S. 14.1%

Born in state

54.4%

Language spoken at home (households)

English only

87%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 16,496
Average household size: 2
Family households: 40.9%
Married couples: 29%
Living alone: 43.2%
Veterans (of adults): 3.9%
Male / female: 50% / 50%

Income and poverty

Household income distribution

<$25k

15%

$25–50k

15%

$50–75k

12%

$75–100k

11%

$100–150k

16%

$150–200k

13%

$200k+

19%

Median household income

21230

$91,842

Baltimore city

$62,177

Maryland

$103,678

United States

$80,734

Per capita income

$63,213

U.S. $44,673

Poverty rate

15.2%

U.S. 12.5%

Households earning $150K+

31.5%

U.S. 23%

Income inequality (Gini)

0.481

U.S. 0.483

Housing

Median home value

21230

$330,100

Baltimore city

$229,600

Maryland

$419,900

United States

$332,700

Median gross rent

21230

$1,717

Baltimore city

$1,331

Maryland

$1,705

United States

$1,413

Types of housing

Single-family

68%

2–4 units

5–19 units

20+ units

23%

Mobile home

0.1%

Boat, RV, van

Housing units: 18,478
Owner-occupied: 50.7%
Vacant: 10.7%
Median year built: 1945
Median rooms: 5.1
Renters paying 30%+ of income: 51.1%
Renters paying 50%+ of income: 19.1%
Home value to income: 3.6× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

58%

Carpooled

Transit

Walked

Bicycle

Worked from home

23%

Other

Commute time (one way)

<10 min

10–19

26%

20–29

27%

30–44

22%

45–59

60+

Average commute

26.4 min

U.S. 26.4 min

Unemployment

3.8%

U.S. 5.2%

In labor force

72.5%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

16%

Business and finance

12%

Healthcare

11%

Engineering and science

Office and admin

Computer and math

Education

Sales

Legal and social services

Arts, media and sports

Transportation and moving

Construction and repair

Production

Food service

Cleaning and personal care

Police and fire

Farming, fishing and forestry

Industries

Professional and technical services

18%

Health care and social assistance

16%

Education

12%

Finance, insurance and real estate

Public administration

Manufacturing

Transportation, warehousing and utilities

Construction

Admin, support and management

Retail

Restaurants and hotels

Other services

Arts and recreation

Information

Wholesale

Agriculture and mining

0.2%

Median earnings per worker

$76,543

U.S. $49,666

Self-employed

5.5%

U.S. 10%

Government workers

17.5%

U.S. 14.5%

Nonprofit workers

14.4%

U.S. 8.8%

Median earnings by type of work

Type of work	21230	U.S.
Management, business, science and arts	$90,647	$74,888
Service	$37,723	$26,804
Sales and office	$54,141	$40,476
Construction and maintenance	$40,152	$49,199
Production and transportation	$35,417	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

12%

High school

14%

Some college

12%

Associate's

Bachelor's

30%

Graduate

29%

High school graduate or higher: 88%
Bachelor's degree or higher: 58.8%
Graduate or professional degree: 28.6%
Households with broadband: 88.1%
Cable, fiber or DSL: 74.2%
No internet access: 6.9%
Without health insurance: 5.1%
Limited-English households: 2.7%

Geography

City (USPS): Baltimore
State: Maryland
County: Baltimore city
Center point: 39.2681° N, 76.6267° W
Land area: 6.3 sq mi
Water area: 2.2 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Baltimore100% of zip

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

Zip codes near 21230

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
21203	Baltimore, MD · PO box	1.2 mi	—	—	—
21235	Baltimore, MD · PO box	1.2 mi	—	—	—
21241	Baltimore, MD · PO box	1.2 mi	—	—	—
21263	Baltimore, MD · PO box	1.2 mi	—	—	—
21264	Baltimore, MD · PO box	1.2 mi	—	—	—
21270	Baltimore, MD · PO box	1.2 mi	—	—	—
21273	Baltimore, MD · PO box	1.2 mi	—	—	—
21275	Baltimore, MD · PO box	1.2 mi	—	—	—
21278	Baltimore, MD · PO box	1.2 mi	—	—	—
21279	Baltimore, MD · PO box	1.2 mi	—	—	—
21280	Baltimore, MD · PO box	1.2 mi	—	—	—
21281	Baltimore, MD · PO box	1.2 mi	—	—	—

Zip codes like 21230 elsewhere

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

Questions about 21230

What city is zip code 21230?

21230 is assigned to Baltimore, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 21230 in?

21230 is in Baltimore city, Maryland.

What is the population of 21230?

About 32,977 people live in 21230, according to the Census Bureau's American Community Survey.

What time zone is 21230 in?

21230 is in Eastern Time.

What is the median household income in 21230?

The median household income in 21230 is $91,842.

What zip codes are near 21230?

The closest zip codes to 21230 are 21203, 21235, 21241, 21263, 21264.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21230, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.