Cobb Island, Maryland

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Population in 2010: 1,166.
Males: 473  (40.6%)
Females: 693  (59.4%)
Median resident age:

40.6 years
Maryland median age:

38.7 years

Zip codes: 20625, 20664.

Cobb Island Zip Code Map
Estimated median household income in 2017: $97,986
Cobb Island:

$97,986
MD:

$80,776

Estimated per capita income in 2017: $40,192

Cobb Island CDP income, earnings, and wages data

Estimated median house or condo value in 2017: $318,000
Cobb Island:

$318,000
MD:

$312,500

Mean prices in 2017: all housing units: $296,245; detached houses: $289,357

Median gross rent in 2017: $1,595.

March 2019 cost of living index in Cobb Island: 140.7 (very high, U.S. average is 100)
Percentage of residents living in poverty in 2017: 19.1%
(17.0% for White Non-Hispanic residents, 46.4% for Black residents)
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Data:
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Based on 2000-2020 data
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  • Races in Cobb Island, MD (2010)
    • 1,06891.6%White alone
    • 373.2%Black alone
    • 332.8%Two or more races
    • 181.5%Hispanic
    • 70.6%Asian alone
    • 30.3%American Indian alone

Races in Cobb Island detailed stats: ancestries, foreign born residents, place of birth



According to our research of Maryland and other state lists, there were 4 registered sex offenders living in Cobb Island, Maryland as of July 07, 2020.
The ratio of all residents to sex offenders in Cobb Island is 211 to 1.


Recent articles from our blog. Our writers, many of them Ph.D. graduates or candidates, create easy-to-read articles on a wide variety of topics.

Ancestries: German (27.1%), Irish (13.8%), English (5.5%), Swedish (5.5%), American (5.0%), French (5.0%).

Current Local Time: EST time zone

52 residents are foreign born (6.0% Europe).

This place:

6.0%
Maryland:

100.0%

Median real estate property taxes paid for housing units with mortgages in 2017: $4,785 (1.3%)
Median real estate property taxes paid for housing units with no mortgage in 2017: $3,448 (1.4%)

Nearest city with pop. 50,000+: Dale City, VA (37.6 miles , pop. 55,971).

Nearest city with pop. 200,000+: Washington, DC (45.8 miles , pop. 572,059).

Nearest city with pop. 1,000,000+: Philadelphia, PA (150.8 miles , pop. 1,517,550).

Nearest cities:

Rock Point, MD (0.9 miles),
District 7, Milestown, MD (2.0 miles ),
Colonial Beach, VA (2.5 miles ),
Potomac Mills, VA (2.9 miles ),
District 3, Leonardtown, MD (3.3 miles ),
Dahlgren Center, VA (3.3 miles ),
Leonardtown, MD (3.4 miles ),
Montross, VA (3.4 miles )

Latitude: 38.26 N, Longitude: 76.85 W

Distribution of median household income in Cobb Island, MD in 2017
Distribution of house value in Cobb Island, MD in 2017
Unemployment in March 2019:
Here:

3.8%
Maryland:

3.9%
Air pollution and air quality trends
(lower is better)
AQI Ozone
Air Quality Index

Air Quality Index (AQI) level in 2018 was 67.4. This is about average.

City:

67.4
U.S.:

74.2
Ozone Level

Ozone [ppb] level in 2018 was 30.7. This is about average. Closest monitor was 17.0 miles away from the city center.

City:

30.7
U.S.:

33.3

Tornado activity:

Cobb Island-area historical tornado activity is near Maryland state average. It is 7% smaller than the overall U.S. average.

On 4/28/2002, a category F4 (max. wind speeds 207-260 mph) tornado 24.2 miles away from the Cobb Island place center killed 3 people and injured 122 people and caused $124 million in damages.

On 11/2/1966, a category F3 (max. wind speeds 158-206 mph) tornado 21.1 miles away from the place center injured 2 people and caused between $5000 and $50,000 in damages.

Earthquake activity:

Cobb Island-area historical earthquake activity is near Maryland state average. It is 86% smaller than the overall U.S. average.

On 12/9/2003 at 20:59:14, a magnitude 4.5 (4.5 MB, 4.5 LG, Depth: 3.1 mi, Class: Light, Intensity: IV - V) earthquake occurred 74.1 miles away from the city center
On 1/16/1994 at 01:49:16, a magnitude 4.6 (4.6 MB, 4.6 LG, Depth: 3.1 mi) earthquake occurred 149.4 miles away from the city center
On 9/25/1998 at 19:52:52, a magnitude 5.2 (4.8 MB, 4.3 MS, 5.2 LG, 4.5 MW, Depth: 3.1 mi, Class: Moderate, Intensity: VI - VII) earthquake occurred 291.9 miles away from Cobb Island center
On 5/5/2003 at 16:32:32, a magnitude 3.9 (3.9 LG, Depth: 3.1 mi, Class: Light, Intensity: II - III) earthquake occurred 75.3 miles away from Cobb Island center
On 3/15/1991 at 06:54:08, a magnitude 3.8 (3.8 LG, Depth: 10.9 mi) earthquake occurred 68.2 miles away from Cobb Island center
On 1/16/1994 at 00:42:43, a magnitude 4.2 (4.2 MB, 4.0 LG, Depth: 3.1 mi) earthquake occurred 149.6 miles away from the city center
Magnitude types: regional Lg-wave magnitude (LG), body-wave magnitude (MB), surface-wave magnitude (MS), moment magnitude (MW)

Natural disasters:

The number of natural disasters in Charles County (20) is greater than the US average (13).
Major Disasters (Presidential) Declared: 15
Emergencies Declared: 5

Causes of natural disasters: Hurricanes: 7, Winter Storms: 6, Snowstorms: 4, Storms: 2, Tropical Storms: 2, Blizzard: 1, Flood: 1, Heavy Rain: 1, Ice Storm: 1, Snowfall: 1, Tornado: 1, Wind: 1 (Note: some incidents may be assigned to more than one category).

Hospitals and medical centers near Cobb Island:

  • WESTMORELAND REHABILITATION AND HEALTHCARE CENTER (Nursing Home, about 8 miles away; COLONIAL BEACH, VA)
  • MEDSTAR SAINT MARY'S HOSPITAL Acute Care Hospitals (about 12 miles away; LEONARDTOWN, MD)
  • ST. MARY'S NURSING CENTER INC (Nursing Home, about 12 miles away; LEONARDTOWN, MD)
  • CHARLOTTE HALL VETERANS HOME (Nursing Home, about 16 miles away; CHARLOTTE HALL, MD)

Airports located in Cobb Island:

Colleges/universities with over 2000 students nearest to Cobb Island:

  • College of Southern Maryland (about 23 miles; La Plata, MD; Full-time enrollment: 5,775)
  • University of Mary Washington (about 34 miles; Fredericksburg, VA; FT enrollment: 4,506)
  • Strayer University-Maryland (about 40 miles; Suitland, MD; FT enrollment: 2,748)
  • Prince George's Community College (about 44 miles; Largo, MD; FT enrollment: 8,537)
  • Northern Virginia Community College (about 45 miles; Annandale, VA; FT enrollment: 35,721)
  • George Washington University (about 46 miles; Washington, DC; FT enrollment: 18,928)
  • Strayer University-Virginia (about 46 miles; Arlington, VA; FT enrollment: 7,005)

Points of interest:

Click to draw/clear place borders

Notable locations in Cobb Island: Pirates Den Marina (A), Cobb Island Volunteer Fire Department and Emergency Medical Services (B). Display/hide their locations on the map

Charles County has a predicted average indoor radon screening level between 2 and 4 pCi/L (pico curies per liter) - Moderate Potential
Average household size:
This place:

2.3 people
Maryland:

2.6 people

Percentage of family households:
This place:

63.3%
Whole state:

67.1%

Percentage of households with unmarried partners:
This place:

7.2%
Whole state:

6.4%


Likely homosexual households (counted as self-reported same-sex unmarried-partner households)
  • Lesbian couples: 0.8% of all households
  • Gay men: 0.6% of all households

For population 15 years and over in Cobb Island:

Marital status in Cobb Island, MD
  • Never married: 25.3%
  • Now married: 52.6%
  • Separated: 6.9%
  • Widowed: 12.5%
  • Divorced: 2.7%

For population 25 years and over in Cobb Island:

  • High school or higher: 91.2%
  • Bachelor's degree or higher: 9.2%
  • Graduate or professional degree: 5.8%
Educational Attainment in 2017
School Enrollment by Level of School in 2017
Education Gini index (Inequality in education)
Here:

10.1
Maryland average:

12.5

Presidential Elections Results

Graphs represent county-level data. Detailed 2008 Election Results

Religion statistics for Cobb Island, MD (based on Charles County data)

Religions Adherents in 2010
Religions Adherents - Change between 2000 and 2010
ReligionAdherentsCongregations
Catholic26,14612
Evangelical Protestant18,32372
Mainline Protestant6,59328
Other1,5127
Black Protestant1,4899
Orthodox1001
None92,388-
Source: Clifford Grammich, Kirk Hadaway, Richard Houseal, Dale E.Jones, Alexei Krindatch, Richie Stanley and Richard H.Taylor. 2012. 2010 U.S.Religion Census: Religious Congregations & Membership Study. Association of Statisticians of American Religious Bodies. Jones, Dale E., et al. 2002. Congregations and Membership in the United States 2000. Nashville, TN: Glenmary Research Center. Graphs represent county-level data

Food Environment Statistics:

Number of grocery stores: 22
This county:

1.57 / 10,000 pop.
State:

1.96 / 10,000 pop.
Number of supercenters and club stores: 2
This county:

0.14 / 10,000 pop.
Maryland:

0.07 / 10,000 pop.
Number of convenience stores (no gas): 16
Charles County:

1.14 / 10,000 pop.
Maryland:

1.22 / 10,000 pop.
Number of convenience stores (with gas): 31
Here:

2.21 / 10,000 pop.
Maryland:

2.05 / 10,000 pop.
Number of full-service restaurants: 67
This county:

4.78 / 10,000 pop.
Maryland:

5.40 / 10,000 pop.
Adult diabetes rate:
This county:

9.2%
Maryland:

9.1%
Adult obesity rate:
Charles County:

31.9%
Maryland:

26.7%
Low-income preschool obesity rate:
This county:

13.0%
Maryland:

15.5%

8.07% of this county's 2016 resident taxpayers lived in other counties in 2015 ($55,391 average adjusted gross income)

Here:

8.07%
Maryland average:

6.88%

0.16% of residents moved from foreign countries ($958 average AGI)
Charles County:

0.16%
Maryland average:

0.09%

Top counties from which taxpayers relocated into this county between 2015 and 2016:
from Prince George's County, MD  3.25% ($58,831 average AGI)
from St. Mary's County, MD  0.47% ($52,262)
from District of Columbia, DC  0.32% ($53,319)


7.41% of this county's 2015 resident taxpayers moved to other counties in 2016 ($60,180 average adjusted gross income)

Here:

7.41%
Maryland average:

7.35%

0.08% of residents moved to foreign countries ($701 average AGI)
Charles County:

0.08%
Maryland average:

0.10%

Top counties to which taxpayers relocated from this county between 2015 and 2016:
to Prince George's County, MD  1.73% ($50,912 average AGI)
to St. Mary's County, MD  0.70% ($51,937)
to Anne Arundel County, MD  0.30% ($65,150)

Strongest AM radio stations in Cobb Island:

  • WWGB (1030 AM; daytime; 50 kW; INDIAN HEAD, MD; Owner: GOOD BODY MEDIA, LLC)
  • WPTX (1690 AM; 10 kW; LEXINGTON PARK, MD; Owner: SOMAR COMMUNICATIONS, INC.)
  • WTEM (980 AM; 50 kW; WASHINGTON, DC; Owner: AMFM RADIO LICENSES, L.L.C.)
  • WPGC (1580 AM; 50 kW; MORNINGSIDE, MD; Owner: INFINITY WPGC(AM), INC.)
  • WBIS (1190 AM; 50 kW; ANNAPOLIS, MD; Owner: NATIONS RADIO, LLC)
  • WCBM (680 AM; 50 kW; BALTIMORE, MD; Owner: WCBM MARYLAND, INC.)
  • WTOP (1500 AM; 50 kW; WASHINGTON, DC; Owner: BONNEVILLE HOLDING COMPANY)
  • WRVA (1140 AM; 50 kW; RICHMOND, VA; Owner: CLEAR CHANNEL BROADCASTING LICENSES, INC.)
  • WKCW (1420 AM; 50 kW; WARRENTON, VA; Owner: WAY BROADCASTING, INC.)
  • WMET (1150 AM; 50 kW; GAITHERSBURG, MD; Owner: BELTWAY ACQUISITION CORPORATION)
  • WTAR (850 AM; 50 kW; NORFOLK, VA; Owner: SINCLAIR COMMUNICATIONS)
  • WKDL (730 AM; 8 kW; ALEXANDRIA, VA; Owner: MEGA COMMUNICATIONS OF ALEXANDRIA LICENSEE, LLC)
  • WUST (1120 AM; daytime; 20 kW; WASHINGTON, DC)

Strongest FM radio stations in Cobb Island:

  • WGRQ (95.9 FM; COLONIAL BEACH, VA; Owner: TELEMEDIA BROADCASTING, INC.)
  • WSMD-FM (98.3 FM; MECHANICSVILLE, MD; Owner: SOMAR COMMUNICATIONS, INC.)
  • WKIK-FM (102.9 FM; CALIFORNIA, MD; Owner: SOMAR COMMUNICATIONS, INC.)
  • WWZZ (104.1 FM; WALDORF, MD; Owner: BONNEVILLE HOLDING COMPANY)
  • WMDM-FM (97.7 FM; LEXINGTON PARK, MD; Owner: SOMAR COMMUNICATIONS, INC.)
  • WBZS-FM (92.7 FM; PRINCE FREDERICK, MD; Owner: MEGA COMMUNICATIONS OF PRINCE FREDERICK LICENSEE, LLC)
  • WRAR-FM (105.5 FM; TAPPAHANNOCK, VA; Owner: RAPPAHANNOCK COMMUNICATIONS, INC.)
  • WBQB (101.5 FM; FREDERICKSBURG, VA; Owner: MID ATLANTIC NETWORK, INC.)
  • WNNT-FM (100.9 FM; WARSAW, VA; Owner: NORTHERN NECK & TIDEWATER COMMUNICATIONS, INC)

TV broadcast stations around Cobb Island:

  • WIAV-LP (Channel 58; WASHINGTON, DC; Owner: ASIAVISION, INC.)
  • W52AX (Channel 52; LEONARDTOWN, MD; Owner: SATELLITE VIDEO BROADCASTING)

Cobb Island fatal accident list:

Jan 18, 1987 07:10 PM, Us0301, Vehicles: 2, Persons: 3, Fatalities: 1
Jan 5, 1986 09:50 PM, Co0141, Vehicles: 1, Persons: 2, Fatalities: 1, Drunk persons involved: 1
Aug 22, 1981 07:51 PM, Vehicles: 1, Persons: 3, Fatalities: 1
Oct 28, 1978 00:37 AM, Vehicles: 1, Persons: 2, Fatalities: 1
Nov 27, 1978 04:33 PM, Vehicles: 1, Persons: 1, Fatalities: 1
Jul 9, 1978 11:00 PM, Vehicles: 1, Persons: 1, Fatalities: 1, Drunk persons involved: 1
  • National Bridge Inventory (NBI) Statistics
  • 2Number of bridges
  • 59ft / 18.1mTotal length
  • $1,401,000Total costs
  • 2,390Total average daily traffic
  • 188Total average daily truck traffic
  • 2,763Total future (year 2011) average daily traffic

FCC Registered Broadcast Land Mobile Towers:

1
  • Fire House Main Ave & Bennett Rd (Lat: 38.264306 Lon: -76.852750), Call Sign: WNMG243, Licensee ID: L00032358,
    Assigned Frequencies: 155.085 MHz, 158.775 MHz, Grant Date: 07/16/2013, Expiration Date: 07/26/2023, Cancellation Date: 03/31/2016, Registrant: Charles County, Md, 10425 Audie Lane, La Plata, MD 20646, Phone: (301) 609-3550, Fax: (301) 609-3557, Email:

FCC Registered Maritime Coast & Aviation Ground Towers:

1
  • 17594 Oriole Dr (Lat: 38.262639 Lon: -76.843861), Type: Building, Overall height: 2 m, Call Sign: WXZ879, Licensee ID: L01019673,
    Assigned Frequencies: 156.450 MHz, 156.800 MHz, Grant Date: 08/23/2005, Expiration Date: 11/17/2015, Cancellation Date: 01/23/2016, Registrant: Charles R Chapman Iii, 17594 Oriole Dr, Cobb Island, MD 20625, Phone: (301) 259-4066, Fax: (301) 259-4016

FCC Registered Amateur Radio Licenses:

2
  • Call Sign: N3CMG, Licensee ID: L00574156, Grant Date: 10/25/1994, Expiration Date: 10/25/2004, Cancellation Date: 11/19/2002, Registrant: William J Graves Sr, 12102 Neale Sound Dr, Cobb Island, MD 20625
  • Call Sign: KB3SLK, Licensee ID: L01474749, Grant Date: 02/20/2019, Expiration Date: 03/16/2029, Certifier: Jacob W Rudy Iii, Registrant: Jacob W Rudy Iii, 12048 Neale Sound Dr, Cobb Island, MD 20625

2002 - 2018 National Fire Incident Reporting System (NFIRS) incidents

    Fire incident distribution by year According to the data from the years 2002 - 2018 the average number of fires per year is 23. The highest number of reported fire incidents - 44 took place in 2006, and the least - 5 in 2014. The data has a growing trend.
    Fire incident types in Cobb Island, MD When looking into fire subcategories, the most reports belonged to: Structure Fires (54.4%), and Outside Fires (32.8%).

    • Fire incident types reported to NFIRS in Cobb Island, MD
    • 20954.4%Structure Fires
    • 12632.8%Outside Fires
    • 287.3%Other
    • 215.5%Mobile Property/Vehicle Fires
See full National Fire Incident Reporting System statistics for Cobb Island, MD
Houses and condos Apartments
Most commonly used house heating fuel in houses and condos in Cobb Island, MD
  • 79.8%Electricity
  • 10.5%Fuel oil, kerosene, etc.
  • 9.7%Bottled, tank, or LP gas
Most commonly used house heating fuel in apartments in Cobb Island, MD
  • 52.0%Electricity
  • 48.0%Fuel oil, kerosene, etc.


Cobb Island compared to Maryland state average:

  • Unemployed percentage significantly below state average.
  • Black race population percentage significantly below state average.
  • Hispanic race population percentage significantly below state average.
  • Median age significantly above state average.
  • Foreign-born population percentage significantly above state average.
  • Renting percentage below state average.
  • Length of stay since moving in significantly above state average.
  • House age significantly below state average.
  • Percentage of population with a bachelor's degree or higher significantly below state average.

Cobb Island on our top lists:

  • #40 on the list of "Top 100 low-educated but high-earning cities"
  • #85 on the list of "Top 101 counties with the highest percentage of residents relocating from foreign countries between 2010 and 2011 (pop. 50,000+)"
  • #86 on the list of "Top 101 counties with highest percentage of residents voting for Obama (Democrat) in the 2012 Presidential Election (pop. 50,000+)"
  • #90 on the list of "Top 101 counties with the best general health status score of residents (1-5), 3 years of data"
  • #92 on the list of "Top 101 counties with the highest percentage of residents that visited a dentist within the past year"
  • #96 on the list of "Top 101 counties with the lowest number of deaths per 1000 residents 2007-2013 (pop. 50,000+)"
There is 1 pilot and no other airmen in this city.
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Top Patent Applicants
Top Patent Applicants
  • Timmie Wayne Lamouroux (1)
  • Michael S. Smiroldo (1)

Total of 2 patent applications in 2008-2020.