21920

Zip code 21920: Elk Mills, Maryland

Q: What city is zip code 21920?

21920 is assigned to Elk Mills, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 21920 in?

21920 is in Cecil County, Maryland.

Q: What is the population of 21920?

About 1,413 people live in 21920, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 21920?

The median household income in 21920 is $124,146.

Q: What zip codes are near 21920?

The closest zip codes to 21920 are 21916, 21921, 21922, 19351, 19716.

Residential delivery areaCecil CountyEastern Time

Population

1,413

Median household income

$124K

U.S. $81K

Median home value

$356K

U.S. $333K

Median rent

$1,346/mo

U.S. $1,413

Median age

36.7

U.S. 38.9

Land area

1 sq mi

1,429 people/sq mi

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

About 21920

21920 is a suburban zip code in Elk Mills, Maryland (Cecil County), covering 1 sq mi of land. About 1,413 people live here, or 1,429 per square mile. The median resident is 36.7 years old, compared with 38.9 nationally.

The median household earns $124,146 a year, 54% above the national median of $80,734. 10% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $356,000, or 2.9 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 65% of occupied homes are lived in by their owners, and renters pay a median of $1,346 a month.

22% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 37.5 minutes each way, and 20% of workers work from home. The most common jobs among working residents are in cleaning and personal care; engineering and science; and sales.

How 21920 compares

Sorted from highest to lowest national percentile

Average commute37.5 min
95th
WeaknessU.S. 26.4 min · MD 31.1 min77th of 421 in MD
Government workers21.5%
88th
U.S. 14.5% · MD 22.5%219th of 444 in MD
Median household income$124,146
87th
StrengthU.S. $80,734 · MD $103,678147th of 414 in MD
Self-employed workers14%
87th
U.S. 10% · MD 8.7%88th of 444 in MD
Work from home19.9%
77th
U.S. 15.1% · MD 19.3%157th of 444 in MD
Residents under 1825.2%
76th
U.S. 22% · MD 22.2%88th of 446 in MD
Median earnings per worker$57,093
71st
U.S. $49,666 · MD $61,200255th of 443 in MD
Veterans6.8%
63rd
U.S. 6.2% · MD 6.8%240th of 446 in MD
Median home value$356,000
54th
U.S. $332,700 · MD $419,900277th of 421 in MD
Residents 65 and older16.8%
52nd
U.S. 17.2% · MD 16.7%261st of 446 in MD
Population density1,429/sq mi
50th
U.S. 95/sq mi · MD 639/sq mi142nd of 446 in MD
Broadband access92.2%
50th
U.S. 91% · MD 92.4%248th of 441 in MD
Median gross rent$1,346
46th
U.S. $1,413 · MD $1,705237th of 338 in MD
Poverty rate10%
45th
U.S. 12.5% · MD 9.4%137th of 441 in MD
Homeownership rate65.4%
42nd
U.S. 65.2% · MD 67.6%342nd of 441 in MD
Foreign-born residents6.9%
38th
U.S. 14.1% · MD 16.6%211th of 446 in MD
Per capita income$34,843
34th
U.S. $44,673 · MD $52,979371st of 446 in MD
Median age36.7
32nd
U.S. 38.9 · MD 39.4359th of 446 in MD
Diversity index36
31st
U.S. 61.4 · MD 67.7257th of 446 in MD
Bachelor's degree or higher22.4%
27th
U.S. 35.7% · MD 43.4%353rd of 445 in MD
Healthcare workers6.9%
14th
U.S. 9.7% · MD 9%279th of 444 in MD
Uninsured rate3%
12th
StrengthU.S. 8.4% · MD 6.3%263rd of 444 in MD
Population1,413
2nd
U.S. 334,922,499 · MD 6,206,011331st of 446 in MD
Rent-burdened renters18.8%
2nd
StrengthU.S. 51.1% · MD 51.5%354th of 404 in MD
Unemployment rate0%
1st
StrengthU.S. 5.2% · MD 4.9%404th of 444 in MD
Housing vacancy0%
1st
U.S. 10.1% · MD 7.7%412th of 441 in MD
Tech workers0%
1st
U.S. 3.8% · MD 6.4%396th of 444 in MD
Income inequality (Gini)0.270
1st
StrengthU.S. 0.483 · MD 0.456423rd of 438 in MD

Measure	21920	Cecil	MD	U.S.	National percentile	Rank in MD
Average commuteWeakness	37.5 min	28.5 min	31.1 min	26.4 min	95th	77th of 421
Government workers	21.5%	20.3%	22.5%	14.5%	88th	219th of 444
Median household incomeStrength	$124,146	$92,007	$103,678	$80,734	87th	147th of 414
Self-employed workers	14%	8%	8.7%	10%	87th	88th of 444
Work from home	19.9%	12.4%	19.3%	15.1%	77th	157th of 444
Residents under 18	25.2%	22.2%	22.2%	22%	76th	88th of 446
Median earnings per worker	$57,093	$60,752	$61,200	$49,666	71st	255th of 443
Veterans	6.8%	8.4%	6.8%	6.2%	63rd	240th of 446
Median home value	$356,000	$343,400	$419,900	$332,700	54th	277th of 421
Residents 65 and older	16.8%	17.1%	16.7%	17.2%	52nd	261st of 446
Population density	1,429/sq mi	303/sq mi	639/sq mi	95/sq mi	50th	142nd of 446
Broadband access	92.2%	91.3%	92.4%	91%	50th	248th of 441
Median gross rent	$1,346	$1,377	$1,705	$1,413	46th	237th of 338
Poverty rate	10%	10.8%	9.4%	12.5%	45th	137th of 441
Homeownership rate	65.4%	75.3%	67.6%	65.2%	42nd	342nd of 441
Foreign-born residents	6.9%	3.9%	16.6%	14.1%	38th	211th of 446
Per capita income	$34,843	$43,250	$52,979	$44,673	34th	371st of 446
Median age	36.7	40.6	39.4	38.9	32nd	359th of 446
Diversity index	36	34.3	67.7	61.4	31st	257th of 446
Bachelor's degree or higher	22.4%	28%	43.4%	35.7%	27th	353rd of 445
Healthcare workers	6.9%	8.1%	9%	9.7%	14th	279th of 444
Uninsured rateStrength	3%	3.6%	6.3%	8.4%	12th	263rd of 444
Population	1,413	104,960	6,206,011	334,922,499	2nd	331st of 446
Rent-burdened rentersStrength	18.8%	49.6%	51.5%	51.1%	2nd	354th of 404
Unemployment rateStrength	0%	5.5%	4.9%	5.2%	1st	404th of 444
Housing vacancy	0%	8.5%	7.7%	10.1%	1st	412th of 441
Tech workers	0%	4.8%	6.4%	3.8%	1st	396th of 444
Income inequality (Gini)Strength	0.270	0.418	0.456	0.483	1st	423rd 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

24%

5–17

10%

18–24

14%

25–34

10%

35–44

17%

45–54

55–64

16%

65–74

75+

Median age

36.7

Under 18

25.2%

65 and over

16.8%

Race and ethnicity

White78%
Black0%
Hispanic13%
Asian0%
Native American0%
Pacific Islander0%
Other0%
Multiracial9%

Diversity index

U.S. 61.4

Foreign-born

6.9%

U.S. 14.1%

Born in state

38.8%

Language spoken at home (households)

English only

82%

Spanish

18%

Other Indo-European

Asian / Pacific

Other

Households

Households: 436
Average household size: 3.2
Family households: 65.6%
Married couples: 32.3%
Living alone: 24.3%
Veterans (of adults): 6.8%
Male / female: 47% / 53%

Income and poverty

Household income distribution

<$25k

13%

$25–50k

$50–75k

19%

$75–100k

$100–150k

28%

$150–200k

40%

$200k+

Median household income

21920

$124,146

Cecil Co.

$92,007

Maryland

$103,678

United States

$80,734

Per capita income

$34,843

U.S. $44,673

Poverty rate

10%

U.S. 12.5%

Households earning $150K+

40.4%

U.S. 23%

Income inequality (Gini)

0.270

U.S. 0.483

Housing

Median home value

21920

$356,000

Cecil Co.

$343,400

Maryland

$419,900

United States

$332,700

Median gross rent

21920

$1,346

Cecil Co.

$1,377

Maryland

$1,705

United States

$1,413

Types of housing

Single-family

100%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 436
Owner-occupied: 65.4%
Vacant: 0%
Median year built: 1983
Median rooms: 6.5
Renters paying 30%+ of income: 18.8%
Renters paying 50%+ of income: 18.8%
Home value to income: 2.9× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

80%

Carpooled

Transit

Walked

Bicycle

Worked from home

20%

Other

Commute time (one way)

<10 min

15%

10–19

19%

20–29

30–44

45–59

44%

60+

Average commute

37.5 min

U.S. 26.4 min

Unemployment

U.S. 5.2%

In labor force

62.6%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Cleaning and personal care

19%

Engineering and science

14%

Sales

13%

Office and admin

12%

Management

11%

Transportation and moving

Construction and repair

Production

Healthcare

Legal and social services

0.1%

Business and finance

Computer and math

Education

Arts, media and sports

Police and fire

Food service

Farming, fishing and forestry

Industries

Manufacturing

20%

Retail

20%

Professional and technical services

15%

Other services

12%

Health care and social assistance

Construction

Arts and recreation

Finance, insurance and real estate

Transportation, warehousing and utilities

Admin, support and management

Public administration

0.1%

Education

Restaurants and hotels

Wholesale

Information

Agriculture and mining

Median earnings per worker

$57,093

U.S. $49,666

Self-employed

14%

U.S. 10%

Government workers

21.5%

U.S. 14.5%

Nonprofit workers

U.S. 8.8%

Median earnings by type of work

Type of work	21920	U.S.
Management, business, science and arts	$66,009	$74,888
Service	$23,734	$26,804
Sales and office	$26,534	$40,476
Construction and maintenance	—	$49,199
Production and transportation	$65,391	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

21%

High school

34%

Some college

15%

Associate's

Bachelor's

18%

Graduate

High school graduate or higher: 79.1%
Bachelor's degree or higher: 22.4%
Graduate or professional degree: 4.8%
Households with broadband: 92.2%
Cable, fiber or DSL: 90.1%
No internet access: 0%
Without health insurance: 3%
Limited-English households: 0%

Geography

City (USPS): Elk Mills
State: Maryland
County: Cecil County
Center point: 39.6563° N, 75.8410° W
Land area: 1 sq mi
Water area: under 0.1 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Zip codes near 21920

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
21916	Childs, MD · PO box	1.8 mi	—	—	—
21921	Elkton, MD	2.2 mi	45,527	$85,775	$330,400
21922	Elkton, MD · PO box	3.4 mi	—	—	—
19351	Lewisville, PA · PO box	4.9 mi	—	—	—
19716	Newark, DE	5.1 mi	0	—	—
19717	Newark, DE	5.1 mi	6,036	—	—
19360	New London, PA · PO box	5.7 mi	—	—	—
19702	Newark, DE	6.5 mi	55,683	$92,446	$346,100
19347	Kemblesville, PA · PO box	6.5 mi	—	—	—
19711	Newark, DE	6.6 mi	49,432	$95,403	$398,900
19713	Newark, DE	7 mi	30,747	$76,493	$292,600
19350	Landenberg, PA	7.6 mi	10,945	$144,375	$533,000

Zip codes like 21920 elsewhere

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

Questions about 21920

What city is zip code 21920?

21920 is assigned to Elk Mills, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 21920 in?

21920 is in Cecil County, Maryland.

What is the population of 21920?

About 1,413 people live in 21920, according to the Census Bureau's American Community Survey.

What time zone is 21920 in?

21920 is in Eastern Time.

What is the median household income in 21920?

The median household income in 21920 is $124,146.

What zip codes are near 21920?

The closest zip codes to 21920 are 21916, 21921, 21922, 19351, 19716.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21920, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.