Zip code 21837: Mardela Springs, Maryland

Q: What city is zip code 21837?

21837 is assigned to Mardela Springs, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 21837 in?

21837 is in Wicomico County, Maryland.

Q: What is the population of 21837?

About 2,891 people live in 21837, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 21837?

The median household income in 21837 is $62,880.

Q: What zip codes are near 21837?

The closest zip codes to 21837 are 21830, 21861, 21659, 21801, 21856.

Residential delivery areaWicomico CountyEastern Time

Population

2,891

Median household income

$63K

U.S. $81K

Median home value

$227K

U.S. $333K

Median rent

$1,115/mo

U.S. $1,413

Median age

40.8

U.S. 38.9

Land area

44 sq mi

66 people/sq mi

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

About 21837

21837 is a small-town zip code in Mardela Springs, Maryland (Wicomico County), covering 44 sq mi of land. About 2,891 people live here, or 66 per square mile. The median resident is 40.8 years old, compared with 38.9 nationally.

The median household earns $62,880 a year, 22% below the national median of $80,734. 5.7% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $227,400, 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. 87% of occupied homes are lived in by their owners, and renters pay a median of $1,115 a month.

18% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 25.6 minutes each way, and 9% of workers work from home. The most common jobs among working residents are in transportation and moving goods; construction and repair; and office and administrative support.

How 21837 compares

Sorted from highest to lowest national percentile

Homeownership rate87.2%
92nd
StrengthU.S. 65.2% · MD 67.6%153rd of 441 in MD
Rent-burdened renters60.6%
84th
WeaknessU.S. 51.1% · MD 51.5%84th of 404 in MD
Uninsured rate10.1%
71st
U.S. 8.4% · MD 6.3%42nd of 444 in MD
Residents 65 and older18.8%
66th
U.S. 17.2% · MD 16.7%195th of 446 in MD
Median earnings per worker$53,574
65th
U.S. $49,666 · MD $61,200288th of 443 in MD
Median age40.8
63rd
U.S. 38.9 · MD 39.4256th of 446 in MD
Government workers15.5%
63rd
U.S. 14.5% · MD 22.5%357th of 444 in MD
Residents under 1822.7%
56th
U.S. 22% · MD 22.2%183rd of 446 in MD
Diversity index50.1
52nd
U.S. 61.4 · MD 67.7175th of 446 in MD
Veterans5.8%
49th
U.S. 6.2% · MD 6.8%297th of 446 in MD
Average commute25.6 min
47th
U.S. 26.4 min · MD 31.1 min354th of 421 in MD
Unemployment rate4.6%
45th
U.S. 5.2% · MD 4.9%182nd of 444 in MD
Healthcare workers8.6%
36th
U.S. 9.7% · MD 9%200th of 444 in MD
Per capita income$34,456
32nd
U.S. $44,673 · MD $52,979376th of 446 in MD
Median gross rent$1,115
30th
U.S. $1,413 · MD $1,705286th of 338 in MD
Housing vacancy4.7%
30th
U.S. 10.1% · MD 7.7%257th of 441 in MD
Work from home9%
28th
U.S. 15.1% · MD 19.3%353rd of 444 in MD
Median home value$227,400
27th
U.S. $332,700 · MD $419,900374th of 421 in MD
Foreign-born residents4.4%
26th
U.S. 14.1% · MD 16.6%273rd of 446 in MD
Median household income$62,880
25th
U.S. $80,734 · MD $103,678373rd of 414 in MD
Poverty rate5.7%
16th
StrengthU.S. 12.5% · MD 9.4%257th of 441 in MD
Bachelor's degree or higher18%
16th
WeaknessU.S. 35.7% · MD 43.4%389th of 445 in MD
Tech workers1.1%
15th
U.S. 3.8% · MD 6.4%355th of 444 in MD
Income inequality (Gini)0.384
11th
StrengthU.S. 0.483 · MD 0.456286th of 438 in MD
Population density66/sq mi
9th
U.S. 95/sq mi · MD 639/sq mi386th of 446 in MD
Population2,891
5th
U.S. 334,922,499 · MD 6,206,011279th of 446 in MD
Broadband access77.1%
3rd
WeaknessU.S. 91% · MD 92.4%414th of 441 in MD
Self-employed workers3.9%
2nd
U.S. 10% · MD 8.7%398th of 444 in MD

Measure	21837	Wicomico	MD	U.S.	National percentile	Rank in MD
Homeownership rateStrength	87.2%	62.3%	67.6%	65.2%	92nd	153rd of 441
Rent-burdened rentersWeakness	60.6%	50%	51.5%	51.1%	84th	84th of 404
Uninsured rate	10.1%	6.7%	6.3%	8.4%	71st	42nd of 444
Residents 65 and older	18.8%	16.6%	16.7%	17.2%	66th	195th of 446
Median earnings per worker	$53,574	$44,401	$61,200	$49,666	65th	288th of 443
Median age	40.8	36.2	39.4	38.9	63rd	256th of 446
Government workers	15.5%	19%	22.5%	14.5%	63rd	357th of 444
Residents under 18	22.7%	22.5%	22.2%	22%	56th	183rd of 446
Diversity index	50.1	58.6	67.7	61.4	52nd	175th of 446
Veterans	5.8%	5.9%	6.8%	6.2%	49th	297th of 446
Average commute	25.6 min	23 min	31.1 min	26.4 min	47th	354th of 421
Unemployment rate	4.6%	5.9%	4.9%	5.2%	45th	182nd of 444
Healthcare workers	8.6%	11.6%	9%	9.7%	36th	200th of 444
Per capita income	$34,456	$37,997	$52,979	$44,673	32nd	376th of 446
Median gross rent	$1,115	$1,327	$1,705	$1,413	30th	286th of 338
Housing vacancy	4.7%	8.3%	7.7%	10.1%	30th	257th of 441
Work from home	9%	7.9%	19.3%	15.1%	28th	353rd of 444
Median home value	$227,400	$254,700	$419,900	$332,700	27th	374th of 421
Foreign-born residents	4.4%	9.4%	16.6%	14.1%	26th	273rd of 446
Median household income	$62,880	$76,210	$103,678	$80,734	25th	373rd of 414
Poverty rateStrength	5.7%	13.9%	9.4%	12.5%	16th	257th of 441
Bachelor's degree or higherWeakness	18%	29.5%	43.4%	35.7%	16th	389th of 445
Tech workers	1.1%	1.6%	6.4%	3.8%	15th	355th of 444
Income inequality (Gini)Strength	0.384	0.447	0.456	0.483	11th	286th of 438
Population density	66/sq mi	280/sq mi	639/sq mi	95/sq mi	9th	386th of 446
Population	2,891	104,914	6,206,011	334,922,499	5th	279th of 446
Broadband accessWeakness	77.1%	89.7%	92.4%	91%	3rd	414th of 441
Self-employed workers	3.9%	9%	8.7%	10%	2nd	398th 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

17%

5–17

10%

18–24

11%

25–34

10%

35–44

15%

45–54

11%

55–64

65–74

12%

75+

Median age

40.8

Under 18

22.7%

65 and over

18.8%

Race and ethnicity

White67%
Black22%
Hispanic6%
Asian1%
Native American0%
Pacific Islander0%
Other0%
Multiracial5%

Diversity index

50.1

U.S. 61.4

Foreign-born

4.4%

U.S. 14.1%

Born in state

69.6%

Language spoken at home (households)

English only

97%

Spanish

0.8%

Other Indo-European

Asian / Pacific

Other

Households

Households: 1,123
Average household size: 2.6
Family households: 66.2%
Married couples: 46.2%
Living alone: 31.3%
Veterans (of adults): 5.8%
Male / female: 45% / 55%

Income and poverty

Household income distribution

<$25k

13%

$25–50k

15%

$50–75k

27%

$75–100k

15%

$100–150k

16%

$150–200k

$200k+

Median household income

21837

$62,880

Wicomico Co.

$76,210

Maryland

$103,678

United States

$80,734

Per capita income

$34,456

U.S. $44,673

Poverty rate

5.7%

U.S. 12.5%

Households earning $150K+

13.4%

U.S. 23%

Income inequality (Gini)

0.384

U.S. 0.483

Housing

Median home value

21837

$227,400

Wicomico Co.

$254,700

Maryland

$419,900

United States

$332,700

Median gross rent

21837

$1,115

Wicomico Co.

$1,327

Maryland

$1,705

United States

$1,413

Types of housing

Single-family

87%

2–4 units

5–19 units

0.6%

20+ units

Mobile home

13%

Boat, RV, van

Housing units: 1,179
Owner-occupied: 87.2%
Vacant: 4.7%
Median year built: 1993
Median rooms: 6.2
Renters paying 30%+ of income: 60.6%
Renters paying 50%+ of income: 7%
Home value to income: 3.6× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

88%

Carpooled

Transit

0.1%

Walked

Bicycle

Worked from home

Other

0.2%

Commute time (one way)

<10 min

10–19

24%

20–29

36%

30–44

22%

45–59

60+

Average commute

25.6 min

U.S. 26.4 min

Unemployment

4.6%

U.S. 5.2%

In labor force

59.9%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Transportation and moving

16%

Construction and repair

14%

Office and admin

13%

Healthcare

Education

Sales

Engineering and science

Management

Cleaning and personal care

Production

Legal and social services

Food service

Business and finance

Computer and math

Police and fire

0.9%

Arts, media and sports

Farming, fishing and forestry

Industries

Health care and social assistance

14%

Retail

13%

Transportation, warehousing and utilities

12%

Education

12%

Manufacturing

10%

Construction

10%

Finance, insurance and real estate

Professional and technical services

Restaurants and hotels

Other services

Public administration

Information

Agriculture and mining

Wholesale

0.9%

Admin, support and management

0.5%

Arts and recreation

0.5%

Median earnings per worker

$53,574

U.S. $49,666

Self-employed

3.9%

U.S. 10%

Government workers

15.5%

U.S. 14.5%

Nonprofit workers

U.S. 8.8%

Median earnings by type of work

Type of work	21837	U.S.
Management, business, science and arts	$78,952	$74,888
Service	$27,353	$26,804
Sales and office	$37,083	$40,476
Construction and maintenance	$49,732	$49,199
Production and transportation	$59,519	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

14%

High school

46%

Some college

15%

Associate's

Bachelor's

Graduate

11%

High school graduate or higher: 86.5%
Bachelor's degree or higher: 18%
Graduate or professional degree: 10.6%
Households with broadband: 77.1%
Cable, fiber or DSL: 59.7%
No internet access: 15.3%
Without health insurance: 10.1%
Limited-English households: 0%

Geography

City (USPS): Mardela Springs
State: Maryland
County: Wicomico County
Center point: 38.4546° N, 75.7663° W
Land area: 44 sq mi
Water area: 3.3 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Zip codes near 21837

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
21830	Hebron, MD	4.3 mi	5,200	$112,991	$282,300
21861	Sharptown, MD	6 mi	920	$86,027	$192,100
21659	Rhodesdale, MD	8.5 mi	1,601	$73,750	$259,900
21801	Salisbury, MD	8.7 mi	30,088	$71,313	$327,700
21856	Quantico, MD	8.7 mi	1,037	$88,045	$380,600
21802	Salisbury, MD · PO box	8.8 mi	—	—	—
21803	Salisbury, MD · PO box	8.8 mi	—	—	—
21869	Vienna, MD	9.4 mi	827	$62,045	$232,300
21835	Linkwood, MD	11 mi	312	$47,083	$51,100
19940	Delmar, DE	11 mi	7,540	$65,024	$235,300
19931	Bethel, DE	12 mi	375	$99,375	$294,700
21826	Fruitland, MD	12 mi	5,451	$64,946	$223,100

Zip codes like 21837 elsewhere

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

Questions about 21837

What city is zip code 21837?

21837 is assigned to Mardela Springs, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 21837 in?

21837 is in Wicomico County, Maryland.

What is the population of 21837?

About 2,891 people live in 21837, according to the Census Bureau's American Community Survey.

What time zone is 21837 in?

21837 is in Eastern Time.

What is the median household income in 21837?

The median household income in 21837 is $62,880.

What zip codes are near 21837?

The closest zip codes to 21837 are 21830, 21861, 21659, 21801, 21856.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21837, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.