20639 ZIP Code — Huntingtown, MD

Calvert County, Maryland

ZIP code 20639 is located in Huntingtown, Maryland, within Calvert County. It covers approximately 41.60 square miles and serves a population of 15,058 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 443/410.

About ZIP code 20639

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $489,300. Owner-occupancy is high at 94%, well above the national average.

Median household income is $144,035. The poverty rate of 3% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 42 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 37% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 11% of civilians, above the national average of 7%.

Overall, ZIP code 20639 reflects a community defined by a strong veteran community and high homeownership.

15,058
population
41.60
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
20639 ZIP code map
Cities in ZIP code 20639

Below are the cities the US Postal Service accepts for ZIP code 20639. Using any city not on this list may result in mail delivery delays.

City Status
Huntingtown Preferred
Nearby ZIP codes
20689 Sunderland (3.7 mi) 20732 Chesapeake Beach (4.7 mi) 20736 Owings (5.6 mi) 20608 Aquasco (6.4 mi) 20678 Prince Frederick (7 mi) 20714 North Beach (8.1 mi) 20676 Port Republic (8.5 mi) 20758 Friendship (8.8 mi) 20754 Dunkirk (9 mi) 20779 Tracys Landing (10.5 mi) 20637 Hughesville (11.8 mi) 20613 Brandywine (12 mi)
Demographics updated 05/2026
Population
Total population 15,058
Population density 362 / sq mi
State FIPS 24
County FIPS 009
Geography
Land area 41.60 sq mi
Water area 1.93 sq mi
Latitude 38.6101
Longitude -76.5989
Timezone Eastern (ET)
Area code 443/410
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 9.2% 17.9% 28.2%
$50k – $100k 23.2% 25.0% 28.2%
$100k – $200k 43.4% 39.4% 30.1%
Over $200k 24.2% 17.7% 13.4%

Demographics & statistics

15,058
Population
362
People per sq mi
39.3
Median age
$144,035
Median household income
$53,269
Per capita income
$489,300
Median home value
$1,211
Median monthly rent
93.9%
Home ownership
2.7%
Poverty rate
2.6%
Unemployment
4,757
Housing units
36.9%
Bachelor's or higher

Age distribution

Male Female
444
Under 5
445
578
5–9
579
594
10–14
596
564
15–19
565
446
20–24
448
672
25–34
674
989
35–44
991
1,100
45–54
1,103
551
55–59
552
495
60–64
497
680
65–74
682
323
75–84
323
83
85+
84
← Male
Female →

Age summary

GroupCount%
Under 184,14427.5%
18 and over10,91472.5%
65 and over2,17514.4%
Median age39.3 years

Race & ethnicity

White 75.5%
Black or African American 11.1%
Two or more races 8.1%
Hispanic or Latino 2.8%
Asian 2.3%
Other race 0.1%
American Indian / Alaska Native 0.1%
GroupCount%
White11,70875.5%
Black or African American1,72011.1%
Two or more races1,2538.1%
Hispanic or Latino4402.8%
Asian3492.3%
Other race180.1%
American Indian / Alaska Native100.1%

Household income

Income range This ZIP County avg State avg
Under $50k 9.2% 17.9% 28.2%
$50k – $100k 23.2% 25.0% 28.2%
$100k – $200k 43.4% 39.4% 30.1%
Over $200k 24.2% 17.7% 13.4%
Under $10k 1.2%
$10k–$15k 1.2%
$15k–$25k 3.1%
$25k–$35k 4.2%
$35k–$50k 2.3%
$50k–$75k 4.8%
$75k–$100k 12.8%
$100k–$150k 23.0%
$150k–$200k 20.5%
$200k+ 27.0%
Range% of households
Under $10k1.2%
$10k–$15k1.2%
$15k–$25k3.1%
$25k–$35k4.2%
$35k–$50k2.3%
$50k–$75k4.8%
$75k–$100k12.8%
$100k–$150k23.0%
$150k–$200k20.5%
$200k+27.0%
Median income$144,035

Housing

Home values

Under $50k 2.5%
$50k–$100k 1.0%
$150k–$200k 0.6%
$200k–$300k 3.9%
$300k–$500k 45.2%
$500k–$1M 45.0%
$1M+ 1.9%

Housing overview

MetricValue
Median home value$489,300
Median rent / month$1,211
Owner occupied93.9%
Renter occupied6.1%
Vacant3.2%
Single-family detached98.6%
Large apartment buildings0.0%
Mobile homes1.0%
Median rooms8.1
Avg household size (owned)3.07

Year built

Era%
2020 or later0.0%
2010–20198.6%
2000–200916.3%
1990–199923.7%
1980–198919.5%
1970–197922.5%
1960–19692.0%
1950–19593.3%
1940–19492.2%
1939 or earlier1.9%

Bedrooms

Size% of units
No bedroom (studio)0.7%
1 bedroom2.0%
2 bedrooms3.7%
3 bedrooms38.7%
4 bedrooms38.7%
5+ bedrooms16.2%

Vehicles per household

Vehicles% of households
No vehicle1.7%
1 vehicle12.2%
2 vehicles42.8%
3 or more43.4%

Heating fuel

Fuel type%
Utility gas2.5%
Electricity64.7%
Propane / LP gas9.6%
Fuel oil14.7%
Wood6.8%
Solar0.2%
No fuel used0.7%

Households & families

Household typeCount%
Married-couple family3,53072.1%
Cohabiting couple2715.5%
Male householder, no spouse4038.2%
Female householder, no spouse68914.1%
Households with children under 181,92139.3%
Households with seniors (65+)1,42629.1%
Average household size3.07

Marital status

StatusMaleFemale
Never married29.9%24.2%
Married63.1%58.7%
Separated0.0%0.6%
Widowed1.4%7.1%
Divorced5.6%9.5%

Education

Less than 9th grade 1.3%
Some HS, no diploma 2.2%
HS graduate 33.6%
Some college, no degree 20.3%
Associate's degree 5.7%
Bachelor's degree 19.6%
Graduate / professional 17.3%
Metric%
HS diploma or higher96.5%
Bachelor's or higher36.9%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1834.4%
Kindergarten2646.3%
Elementary school1,86644.9%
High school1,02724.7%
College / grad school82019.7%

Employment

Industry of employment

Education & healthcare 21.5%
Public administration 18.8%
Construction 15.3%
Professional & management 10.8%
Other services 6.9%
Retail trade 6.4%
Arts, food & hospitality 5.8%
Transportation & utilities 4.9%
Finance & real estate 3.2%
Wholesale trade 2.9%
Manufacturing 2.3%
Information 1.0%
Agriculture & mining 0.2%

Occupation

Category%
Management, business & arts49.4%
Service17.3%
Sales & office14.1%
Natural resources & construction12.5%
Production & transportation6.7%

Employment type

Type%
Private sector63.6%
Government29.8%
Self-employed6.6%
Unpaid family workers0.0%

Commute

Method%
Drive alone77.1%
Carpool6.2%
Public transit1.8%
Walk0.6%
Work from home13.6%
Other means0.6%
Avg commute (minutes)42.2

Poverty

All people 2.7%
Under 18 years 2.9%
18 and over 2.6%
Married-couple families 1.1%
Female-led households 6.2%

Income support

Source% of households
Social Security29.6%
Retirement income34.2%
Supplemental Security3.5%
Cash public assistance1.0%
Food stamps / SNAP1.2%

Health indicators

Condition%
Obesity35.1%
High blood pressure32.0%
High cholesterol34.5%
Diabetes9.2%
Heart disease4.9%
Stroke2.4%
Asthma9.7%
Arthritis26.2%
Kidney disease2.4%
Pulmonary disease5.3%
Cancer6.5%
Behavior / access%
Smoking14.2%
Binge drinking15.4%
No physical activity18.4%
Less than 7 hrs sleep35.2%
Depression18.5%
Fair or poor health10.1%
Poor mental health13.3%
Poor physical health7.6%
No health insurance8.3%
Visited doctor (checkup)75.7%
Visited dentist72.0%
Cholesterol screening93.2%
Teeth loss8.4%

Veterans & disability

VeteransCount%
Civilian veterans1,22911.4%
Disability%
Any disability8.7%
Under 183.8%
18–64 years6.7%
65 and over25.6%

Health insurance coverage

Type%
Private insurance86.5%
Public insurance23.3%
No insurance3.5%
Uninsured under 193.4%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only14,16994.1%
Spanish860.6%
Other Indo-European460.3%
Asian & Pacific Islander90.1%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)14,80498.3%
Born in same state14,59997.0%
Born in different state8,10453.8%
Foreign born2051.4%
Naturalized citizen2541.7%
Not a US citizen18572.8%

Ancestry

AncestryCount%
French2,15214.3%
Italian1,89312.6%
Arab9986.6%
English1020.7%
AncestryCount%
Dutch680.5%
Polish660.4%
German450.3%
Norwegian220.1%

Technology access

Metric% of households
Computer access32.5%
Internet access94.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 20639

What city is ZIP code 20639 in?

ZIP code 20639 is primarily assigned to Huntingtown, Maryland.

What county is ZIP code 20639 in?

ZIP code 20639 falls within Calvert County, Maryland.

Is ZIP code 20639 mostly owner-occupied?

94% of occupied units in ZIP code 20639 are owner-occupied, well above the national average.

Does ZIP code 20639 have a large veteran population?

11% of civilians in ZIP code 20639 are veterans, above the national average of ~7%.

What is the median household income in ZIP code 20639?

The median household income in ZIP code 20639 is $144,035, above the national median of ~$75,000.

What is the typical home value in ZIP code 20639?

The median home value in ZIP code 20639 is $489,300.

What timezone is ZIP code 20639 in?

ZIP code 20639 observes the EST timezone.

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