20625

Zip code 20625: Cobb Island, Maryland

Q: What city is zip code 20625?

20625 is assigned to Cobb Island, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 20625 in?

20625 is in Charles County, Maryland.

Q: What is the population of 20625?

About 849 people live in 20625, according to the Census Bureau's American Community Survey.

Q: What zip codes are near 20625?

The closest zip codes to 20625 are 20661, 20682, 20618, 20626, 20645.

Residential delivery areaCharles CountyEastern Time

Population

849

Median household income

—

U.S. $81K

Median home value

$245K

U.S. $333K

Median rent

—

U.S. $1,413

Median age

45.8

U.S. 38.9

Land area

0.5 sq mi

1,736 people/sq mi

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

About 20625

20625 is a suburban zip code in Cobb Island, Maryland (Charles County), covering 0.5 sq mi of land. About 849 people live here, or 1,736 per square mile. The median resident is 45.8 years old, compared with 38.9 nationally.

2.5% of residents live below the poverty line (U.S.: 12.5%). The median home value is $245,300. 100% of occupied homes are lived in by their owners.

2% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 53.5 minutes each way, and 0% of workers work from home. The most common jobs among working residents are in construction and repair; police and fire protection; and sales.

How 20625 compares

Sorted from highest to lowest national percentile

Homeownership rate100%
99th
StrengthU.S. 65.2% · MD 67.6%9th of 441 in MD
Average commute53.5 min
99th
WeaknessU.S. 26.4 min · MD 31.1 min5th of 421 in MD
Broadband access100%
99th
StrengthU.S. 91% · MD 92.4%12th of 441 in MD
Housing vacancy36.3%
99th
U.S. 10.1% · MD 7.7%20th of 441 in MD
Veterans10.6%
91st
U.S. 6.2% · MD 6.8%89th of 446 in MD
Median age45.8
88th
U.S. 38.9 · MD 39.4123rd of 446 in MD
Per capita income$49,865
72nd
U.S. $44,673 · MD $52,979240th of 446 in MD
Government workers16%
66th
U.S. 14.5% · MD 22.5%346th of 444 in MD
Median earnings per worker$53,279
64th
U.S. $49,666 · MD $61,200291st of 443 in MD
Population density1,736/sq mi
54th
U.S. 95/sq mi · MD 639/sq mi127th of 446 in MD
Self-employed workers8.1%
34th
U.S. 10% · MD 8.7%256th of 444 in MD
Median home value$245,300
32nd
U.S. $332,700 · MD $419,900360th of 421 in MD
Residents under 1818.6%
22nd
U.S. 22% · MD 22.2%320th of 446 in MD
Foreign-born residents2.4%
14th
U.S. 14.1% · MD 16.6%343rd of 446 in MD
Healthcare workers6.4%
10th
U.S. 9.7% · MD 9%301st of 444 in MD
Diversity index16
9th
U.S. 61.4 · MD 67.7375th of 446 in MD
Uninsured rate2.4%
8th
StrengthU.S. 8.4% · MD 6.3%307th of 444 in MD
Population849
1st
U.S. 334,922,499 · MD 6,206,011359th of 446 in MD
Poverty rate2.5%
1st
StrengthU.S. 12.5% · MD 9.4%369th of 441 in MD
Bachelor's degree or higher2.4%
1st
WeaknessU.S. 35.7% · MD 43.4%439th of 445 in MD
Work from home0%
1st
U.S. 15.1% · MD 19.3%427th of 444 in MD
Unemployment rate0%
1st
StrengthU.S. 5.2% · MD 4.9%407th of 444 in MD
Residents 65 and older4.7%
1st
U.S. 17.2% · MD 16.7%426th of 446 in MD
Tech workers0%
1st
U.S. 3.8% · MD 6.4%398th of 444 in MD
Income inequality (Gini)0.337
1st
StrengthU.S. 0.483 · MD 0.456374th of 438 in MD

Measure	20625	Charles	MD	U.S.	National percentile	Rank in MD
Homeownership rateStrength	100%	82.1%	67.6%	65.2%	99th	9th of 441
Average commuteWeakness	53.5 min	41.4 min	31.1 min	26.4 min	99th	5th of 421
Broadband accessStrength	100%	93.4%	92.4%	91%	99th	12th of 441
Housing vacancy	36.3%	4.6%	7.7%	10.1%	99th	20th of 441
Veterans	10.6%	13%	6.8%	6.2%	91st	89th of 446
Median age	45.8	38.9	39.4	38.9	88th	123rd of 446
Per capita income	$49,865	$51,110	$52,979	$44,673	72nd	240th of 446
Government workers	16%	35.4%	22.5%	14.5%	66th	346th of 444
Median earnings per worker	$53,279	$67,262	$61,200	$49,666	64th	291st of 443
Population density	1,736/sq mi	373/sq mi	639/sq mi	95/sq mi	54th	127th of 446
Self-employed workers	8.1%	6%	8.7%	10%	34th	256th of 444
Median home value	$245,300	$428,500	$419,900	$332,700	32nd	360th of 421
Residents under 18	18.6%	23.9%	22.2%	22%	22nd	320th of 446
Foreign-born residents	2.4%	8.5%	16.6%	14.1%	14th	343rd of 446
Healthcare workers	6.4%	7.5%	9%	9.7%	10th	301st of 444
Diversity index	16	65.1	67.7	61.4	9th	375th of 446
Uninsured rateStrength	2.4%	4.6%	6.3%	8.4%	8th	307th of 444
Population	849	170,527	6,206,011	334,922,499	1st	359th of 446
Poverty rateStrength	2.5%	6.9%	9.4%	12.5%	1st	369th of 441
Bachelor's degree or higherWeakness	2.4%	33.5%	43.4%	35.7%	1st	439th of 445
Work from home	0%	16.4%	19.3%	15.1%	1st	427th of 444
Unemployment rateStrength	0%	4.8%	4.9%	5.2%	1st	407th of 444
Residents 65 and older	4.7%	13.7%	16.7%	17.2%	1st	426th of 446
Tech workers	0%	7.3%	6.4%	3.8%	1st	398th of 444
Income inequality (Gini)Strength	0.337	0.388	0.456	0.483	1st	374th 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

19%

5–17

18–24

25–34

22%

35–44

21%

45–54

27%

55–64

65–74

75+

Median age

45.8

Under 18

18.6%

65 and over

4.7%

Race and ethnicity

White91%
Black0%
Hispanic0%
Asian2%
Native American0%
Pacific Islander0%
Other0%
Multiracial6%

Diversity index

U.S. 61.4

Foreign-born

2.4%

U.S. 14.1%

Born in state

79.3%

Language spoken at home (households)

English only

88%

Spanish

12%

Other Indo-European

Asian / Pacific

Other

Households

Households: 328
Average household size: 2.6
Family households: 81.4%
Married couples: 81.4%
Living alone: 12.2%
Veterans (of adults): 10.6%
Male / female: 54% / 46%

Income and poverty

Household income distribution

<$25k

$25–50k

$50–75k

54%

$75–100k

$100–150k

11%

$150–200k

16%

$200k+

20%

Median household income

20625

—

Charles Co.

$122,816

Maryland

$103,678

United States

$80,734

Per capita income

$49,865

U.S. $44,673

Poverty rate

2.5%

U.S. 12.5%

Households earning $150K+

35.4%

U.S. 23%

Income inequality (Gini)

0.337

U.S. 0.483

Housing

Median home value

20625

$245,300

Charles Co.

$428,500

Maryland

$419,900

United States

$332,700

Median gross rent

20625

—

Charles Co.

$1,920

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: 515
Owner-occupied: 100%
Vacant: 36.3%
Median year built: 1939 or earlier
Median rooms: 6.8
Renters paying 30%+ of income: —
Renters paying 50%+ of income: —
Home value to income: —

Work and commute

How people get to work

Drove alone

63%

Carpooled

24%

Transit

Walked

Bicycle

Worked from home

Other

Commute time (one way)

<10 min

13%

10–19

20–29

30–44

23%

45–59

13%

60+

51%

Average commute

53.5 min

U.S. 26.4 min

Unemployment

U.S. 5.2%

In labor force

67.9%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Construction and repair

33%

Police and fire

16%

Sales

13%

Transportation and moving

Production

Management

Healthcare

Food service

Office and admin

Business and finance

Computer and math

Engineering and science

Education

Legal and social services

Arts, media and sports

Cleaning and personal care

Farming, fishing and forestry

Industries

Construction

27%

Public administration

16%

Retail

13%

Restaurants and hotels

13%

Health care and social assistance

10%

Manufacturing

Other services

Finance, insurance and real estate

Education

Professional and technical services

Transportation, warehousing and utilities

Admin, support and management

Wholesale

Information

Arts and recreation

Agriculture and mining

Median earnings per worker

$53,279

U.S. $49,666

Self-employed

8.1%

U.S. 10%

Government workers

16%

U.S. 14.5%

Nonprofit workers

13.2%

U.S. 8.8%

Median earnings by type of work

Type of work	20625	U.S.
Management, business, science and arts	—	$74,888
Service	$112,609	$26,804
Sales and office	$31,094	$40,476
Construction and maintenance	$54,221	$49,199
Production and transportation	—	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

66%

Some college

22%

Associate's

Bachelor's

Graduate

High school graduate or higher: 95.1%
Bachelor's degree or higher: 2.4%
Graduate or professional degree: 2.4%
Households with broadband: 100%
Cable, fiber or DSL: 100%
No internet access: 0%
Without health insurance: 2.4%
Limited-English households: 0%

Geography

City (USPS): Cobb Island
State: Maryland
County: Charles County
Center point: 38.2575° N, 76.8445° W
Land area: 0.5 sq mi
Water area: 1.3 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Cobb Island (unincorporated)100% of zip

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

Zip codes near 20625

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
20661	Mount Victoria, MD	0.5 mi	0	—	—
20682	Rock Point, MD · PO box	1.8 mi	—	—	—
20618	Bushwood, MD	2.7 mi	1,705	$105,508	$355,000
20626	Coltons Point, MD	4.6 mi	284	—	—
20645	Issue, MD	4.8 mi	814	$191,429	$531,500
20621	Chaptico, MD	5.3 mi	958	—	$481,100
20606	Abell, MD	5.5 mi	291	$88,262	$451,000
20609	Avenue, MD	5.5 mi	714	$118,102	$568,400
20664	Newburg, MD	6.9 mi	3,138	$88,438	$475,700
22558	Stratford, VA · PO box	7.5 mi	—	—	—
20627	Compton, MD · PO box	7.7 mi	—	—	—
20624	Clements, MD	8.2 mi	796	$104,545	$430,600

Questions about 20625

What city is zip code 20625?

20625 is assigned to Cobb Island, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 20625 in?

20625 is in Charles County, Maryland.

What is the population of 20625?

About 849 people live in 20625, according to the Census Bureau's American Community Survey.

What time zone is 20625 in?

20625 is in Eastern Time.

What zip codes are near 20625?

The closest zip codes to 20625 are 20661, 20682, 20618, 20626, 20645.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 20625, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.