Zip code 21237: Rosedale, Maryland

Q: What city is zip code 21237?

21237 is assigned to Rosedale, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 21237 in?

21237 is mostly in Baltimore County, but it extends into 1 other county.

Q: What is the population of 21237?

About 31,425 people live in 21237, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 21237?

The median household income in 21237 is $91,693.

Q: What zip codes are near 21237?

The closest zip codes to 21237 are 21206, 21236, 21214, 21234, 21251.

Residential delivery areaBaltimore CountyEastern Time

Population

31,425

Median household income

$92K

U.S. $81K

Median home value

$296K

U.S. $333K

Median rent

$1,606/mo

U.S. $1,413

Median age

41.8

U.S. 38.9

Land area

11 sq mi

2,793 people/sq mi

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

About 21237

21237 is an urban zip code in Rosedale, Maryland (Baltimore County), covering 11 sq mi of land. About 31,425 people live here, or 2,793 per square mile. The median resident is 41.8 years old, compared with 38.9 nationally.

The median household earns $91,693 a year, close to the national median of $80,734. 8.1% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $295,600, or 3.2 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 62% of occupied homes are lived in by their owners, and renters pay a median of $1,606 a month.

27% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 28.7 minutes each way, and 9% of workers work from home. The most common jobs among working residents are in office and administrative support; healthcare; and construction and repair. 21% of households speak a language other than English at home, most often another language, such as Arabic or a Native American language.

How 21237 compares

Sorted from highest to lowest national percentile

Diversity index66.1
86th
U.S. 61.4 · MD 67.757th of 446 in MD
Healthcare workers12.6%
86th
U.S. 9.7% · MD 9%60th of 444 in MD
Veterans8.5%
81st
U.S. 6.2% · MD 6.8%147th of 446 in MD
Government workers17%
72nd
U.S. 14.5% · MD 22.5%328th of 444 in MD
Median age41.8
70th
U.S. 38.9 · MD 39.4217th of 446 in MD
Foreign-born residents17.6%
70th
U.S. 14.1% · MD 16.6%79th of 446 in MD
Average commute28.7 min
67th
U.S. 26.4 min · MD 31.1 min283rd of 421 in MD
Residents 65 and older18.9%
67th
U.S. 17.2% · MD 16.7%190th of 446 in MD
Population density2,793/sq mi
65th
U.S. 95/sq mi · MD 639/sq mi88th of 446 in MD
Median earnings per worker$53,856
65th
U.S. $49,666 · MD $61,200282nd of 443 in MD
Median household income$91,693
64th
U.S. $80,734 · MD $103,678248th of 414 in MD
Broadband access93.8%
64th
U.S. 91% · MD 92.4%202nd of 441 in MD
Median gross rent$1,606
62nd
U.S. $1,413 · MD $1,705176th of 338 in MD
Per capita income$42,796
57th
U.S. $44,673 · MD $52,979295th of 446 in MD
Unemployment rate5.2%
56th
U.S. 5.2% · MD 4.9%144th of 444 in MD
Population31,425
52nd
U.S. 334,922,499 · MD 6,206,01178th of 446 in MD
Uninsured rate7%
52nd
U.S. 8.4% · MD 6.3%90th of 444 in MD
Median home value$295,600
43rd
U.S. $332,700 · MD $419,900327th of 421 in MD
Bachelor's degree or higher26.5%
38th
U.S. 35.7% · MD 43.4%314th of 445 in MD
Housing vacancy5.4%
37th
U.S. 10.1% · MD 7.7%220th of 441 in MD
Tech workers2.2%
37th
U.S. 3.8% · MD 6.4%321st of 444 in MD
Homeownership rate62.1%
36th
U.S. 65.2% · MD 67.6%360th of 441 in MD
Poverty rate8.1%
32nd
U.S. 12.5% · MD 9.4%182nd of 441 in MD
Work from home9.3%
30th
U.S. 15.1% · MD 19.3%346th of 444 in MD
Rent-burdened renters43.4%
24th
U.S. 51.1% · MD 51.5%265th of 404 in MD
Residents under 1817.9%
18th
U.S. 22% · MD 22.2%333rd of 446 in MD
Self-employed workers6.1%
10th
U.S. 10% · MD 8.7%339th of 444 in MD
Income inequality (Gini)0.373
7th
StrengthU.S. 0.483 · MD 0.456310th of 438 in MD

Measure	21237	Baltimore	MD	U.S.	National percentile	Rank in MD
Diversity index	66.1	63.6	67.7	61.4	86th	57th of 446
Healthcare workers	12.6%	10.8%	9%	9.7%	86th	60th of 444
Veterans	8.5%	5.8%	6.8%	6.2%	81st	147th of 446
Government workers	17%	19.1%	22.5%	14.5%	72nd	328th of 444
Median age	41.8	39.7	39.4	38.9	70th	217th of 446
Foreign-born residents	17.6%	13.2%	16.6%	14.1%	70th	79th of 446
Average commute	28.7 min	28 min	31.1 min	26.4 min	67th	283rd of 421
Residents 65 and older	18.9%	18.1%	16.7%	17.2%	67th	190th of 446
Population density	2,793/sq mi	1,422/sq mi	639/sq mi	95/sq mi	65th	88th of 446
Median earnings per worker	$53,856	$57,592	$61,200	$49,666	65th	282nd of 443
Median household income	$91,693	$91,768	$103,678	$80,734	64th	248th of 414
Broadband access	93.8%	91.4%	92.4%	91%	64th	202nd of 441
Median gross rent	$1,606	$1,627	$1,705	$1,413	62nd	176th of 338
Per capita income	$42,796	$49,074	$52,979	$44,673	57th	295th of 446
Unemployment rate	5.2%	4.9%	4.9%	5.2%	56th	144th of 444
Population	31,425	850,796	6,206,011	334,922,499	52nd	78th of 446
Uninsured rate	7%	5.4%	6.3%	8.4%	52nd	90th of 444
Median home value	$295,600	$349,300	$419,900	$332,700	43rd	327th of 421
Bachelor's degree or higher	26.5%	42.3%	43.4%	35.7%	38th	314th of 445
Housing vacancy	5.4%	5.1%	7.7%	10.1%	37th	220th of 441
Tech workers	2.2%	5.2%	6.4%	3.8%	37th	321st of 444
Homeownership rate	62.1%	66.4%	67.6%	65.2%	36th	360th of 441
Poverty rate	8.1%	9.8%	9.4%	12.5%	32nd	182nd of 441
Work from home	9.3%	16.5%	19.3%	15.1%	30th	346th of 444
Rent-burdened renters	43.4%	54.2%	51.5%	51.1%	24th	265th of 404
Residents under 18	17.9%	21.9%	22.2%	22%	18th	333rd of 446
Self-employed workers	6.1%	8.2%	8.7%	10%	10th	339th of 444
Income inequality (Gini)Strength	0.373	0.458	0.456	0.483	7th	310th of 438

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

14%

5–17

18–24

13%

25–34

15%

35–44

14%

45–54

14%

55–64

11%

65–74

75+

Median age

41.8

Under 18

17.9%

65 and over

18.9%

Race and ethnicity

White40%
Black41%
Hispanic8%
Asian7%
Native American0.4%
Pacific Islander0.1%
Other0.5%
Multiracial4%

Diversity index

66.1

U.S. 61.4

Foreign-born

17.6%

U.S. 14.1%

Born in state

66.6%

Language spoken at home (households)

English only

79%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 12,417
Average household size: 2.5
Family households: 65.1%
Married couples: 40.4%
Living alone: 29.1%
Veterans (of adults): 8.5%
Male / female: 50% / 50%

Income and poverty

Household income distribution

<$25k

$25–50k

15%

$50–75k

18%

$75–100k

12%

$100–150k

26%

$150–200k

11%

$200k+

10%

Median household income

21237

$91,693

Baltimore Co.

$91,768

Maryland

$103,678

United States

$80,734

Per capita income

$42,796

U.S. $44,673

Poverty rate

8.1%

U.S. 12.5%

Households earning $150K+

21%

U.S. 23%

Income inequality (Gini)

0.373

U.S. 0.483

Housing

Median home value

21237

$295,600

Baltimore Co.

$349,300

Maryland

$419,900

United States

$332,700

Median gross rent

21237

$1,606

Baltimore Co.

$1,627

Maryland

$1,705

United States

$1,413

Types of housing

Single-family

65%

2–4 units

5–19 units

25%

20+ units

Mobile home

0.7%

Boat, RV, van

Housing units: 13,121
Owner-occupied: 62.1%
Vacant: 5.4%
Median year built: 1980
Median rooms: 6
Renters paying 30%+ of income: 43.4%
Renters paying 50%+ of income: 19.2%
Home value to income: 3.2× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

70%

Carpooled

10%

Transit

Walked

Bicycle

Worked from home

Other

Commute time (one way)

<10 min

10–19

22%

20–29

24%

30–44

31%

45–59

60+

Average commute

28.7 min

U.S. 26.4 min

Unemployment

5.2%

U.S. 5.2%

In labor force

67%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Office and admin

14%

Healthcare

13%

Construction and repair

10%

Transportation and moving

10%

Management

Sales

Business and finance

Cleaning and personal care

Engineering and science

Food service

Education

Production

Computer and math

Police and fire

Legal and social services

Arts, media and sports

Farming, fishing and forestry

0.2%

Industries

Health care and social assistance

21%

Retail

12%

Transportation, warehousing and utilities

Public administration

Construction

Professional and technical services

Education

Restaurants and hotels

Manufacturing

Other services

Finance, insurance and real estate

Admin, support and management

Wholesale

Arts and recreation

Information

0.6%

Agriculture and mining

0.1%

Median earnings per worker

$53,856

U.S. $49,666

Self-employed

6.1%

U.S. 10%

Government workers

17%

U.S. 14.5%

Nonprofit workers

11.3%

U.S. 8.8%

Median earnings by type of work

Type of work	21237	U.S.
Management, business, science and arts	$77,891	$74,888
Service	$36,495	$26,804
Sales and office	$42,267	$40,476
Construction and maintenance	$61,723	$49,199
Production and transportation	$49,500	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

29%

Some college

27%

Associate's

Bachelor's

17%

Graduate

10%

High school graduate or higher: 91.8%
Bachelor's degree or higher: 26.5%
Graduate or professional degree: 9.7%
Households with broadband: 93.8%
Cable, fiber or DSL: 81.7%
No internet access: 4.8%
Without health insurance: 7%
Limited-English households: 1.6%

Geography

City (USPS): Rosedale
State: Maryland
County: Baltimore County
Center point: 39.3415° N, 76.4953° W
Land area: 11 sq mi
Water area: 0.2 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

21237 spans 2 counties

Baltimore County94% of land
Baltimore city6% of land

Cities and towns within this zip

Rosedale (unincorporated)44% of zip
Rossville (unincorporated)38% of zip
White Marsh (unincorporated)10% of zip
Baltimore6% of zip
Perry Hall (unincorporated)1% of zip

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

Zip codes near 21237

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
21206	Baltimore, MD	2.3 mi	48,902	$64,531	$216,100
21236	Nottingham, MD	3.3 mi	39,514	$95,149	$327,200
21214	Baltimore, MD	3.8 mi	21,092	$86,366	$259,500
21234	Parkville, MD	4.1 mi	66,334	$83,517	$288,100
21251	Baltimore, MD	4.6 mi	191	—	—
21205	Baltimore, MD	4.6 mi	13,013	$43,176	$96,100
21221	Essex, MD	4.6 mi	43,487	$67,340	$271,500
21213	Baltimore, MD	4.8 mi	28,058	$51,344	$155,000
21128	Perry Hall, MD	5 mi	15,501	$128,069	$449,500
21224	Baltimore, MD	5.2 mi	47,465	$89,017	$295,200
21239	Baltimore, MD	5.2 mi	27,346	$62,650	$207,400
21222	Dundalk, MD	5.3 mi	59,407	$64,141	$215,900

Zip codes like 21237 elsewhere

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

Questions about 21237

What city is zip code 21237?

21237 is assigned to Rosedale, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 21237 in?

21237 is mostly in Baltimore County, but it extends into 1 other county.

What is the population of 21237?

About 31,425 people live in 21237, according to the Census Bureau's American Community Survey.

What time zone is 21237 in?

21237 is in Eastern Time.

What is the median household income in 21237?

The median household income in 21237 is $91,693.

What zip codes are near 21237?

The closest zip codes to 21237 are 21206, 21236, 21214, 21234, 21251.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21237, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.