21662 ZIP Code — Royal Oak, MD

Talbot County, Maryland

ZIP code 21662 is located in Royal Oak, Maryland, within Talbot County. It covers approximately 8.37 square miles and serves a population of 657 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 410.

About ZIP code 21662

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $680,600. Owner-occupancy is high at 81%, well above the national average.

The gap between median ($167,647) and mean household income suggests income inequality — a small number of higher earners pull the average up. 32% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 30 minutes is near the national average. Remote work is prevalent — 22% of workers work from home.

Educational attainment is high — 52% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 21662 reflects a community defined by a highly educated population, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

657

population

8.37

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21662 ZIP code map

Cities in ZIP code 21662

Below are the cities the US Postal Service accepts for ZIP code 21662. Using any city not on this list may result in mail delivery delays.

City	Status
Royal Oak	Preferred

Nearby ZIP codes

21654 Oxford (4.5 mi) 21612 Bozman (5 mi) 21663 Saint Michaels (6.7 mi) 21671 Tilghman (6.8 mi) 21665 Sherwood (7 mi) 21676 Wittman (7.4 mi) 21673 Trappe (9.1 mi) 21601 Easton (10.5 mi) 21677 Woolford (13.4 mi) 21655 Preston (15.6 mi) 21679 Wye Mills (16 mi) 21638 Grasonville (16 mi)

Demographics updated 05/2026

Population
Total population	657
Population density	78 / sq mi
State FIPS	24
County FIPS	041

Geography
Land area	8.37 sq mi
Water area	6.17 sq mi
Latitude	38.7048
Longitude	-76.2087
Timezone	Eastern (ET)
Area code	410

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.6%	33.6%	28.2%
$50k – $100k	22.5%	32.5%	28.2%
$100k – $200k	15.2%	22.8%	30.1%
Over $200k	37.7%	11.1%	13.4%

Demographics & statistics

657

Population

People per sq mi

56.8

Median age

$167,647

Median household income

$94,709

Per capita income

$680,600

Median home value

$1,856

Median monthly rent

81.3%

Home ownership

0.0%

Poverty rate

1.9%

Unemployment

396

Housing units

52.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	90	13.7%
18 and over	567	86.3%
65 and over	188	28.6%
Median age	56.8 years

Race & ethnicity

White 76.3%

Black or African American 9.2%

Hispanic or Latino 5.6%

Other race 5.6%

Asian 3.3%

Group	Count	%
White	531	76.3%
Black or African American	64	9.2%
Hispanic or Latino	39	5.6%
Other race	39	5.6%
Asian	23	3.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.6%	33.6%	28.2%
$50k – $100k	22.5%	32.5%	28.2%
$100k – $200k	15.2%	22.8%	30.1%
Over $200k	37.7%	11.1%	13.4%

$25k–$35k 1.4%

$35k–$50k 9.4%

$50k–$75k 20.1%

$75k–$100k 9.7%

$100k–$150k 7.6%

$150k–$200k 10.8%

$200k+ 41.0%

Range	% of households
$25k–$35k	1.4%
$35k–$50k	9.4%
$50k–$75k	20.1%
$75k–$100k	9.7%
$100k–$150k	7.6%
$150k–$200k	10.8%
$200k+	41.0%
Median income	$167,647

Housing

Home values

$100k–$150k 4.7%

$150k–$200k 0.9%

$200k–$300k 8.1%

$300k–$500k 30.8%

$500k–$1M 12.8%

$1M+ 42.7%

Housing overview

Metric	Value
Median home value	$680,600
Median rent / month	$1,856
Owner occupied	81.3%
Renter occupied	18.8%
Vacant	36.0%
Single-family detached	88.9%
Large apartment buildings	0.0%
Mobile homes	2.0%
Median rooms	6.5
Avg household size (owned)	2.02

Year built

Era	%
2020 or later	0.0%
2010–2019	3.6%
2000–2009	15.3%
1990–1999	20.0%
1980–1989	11.6%
1970–1979	15.3%
1960–1969	5.6%
1950–1959	1.3%
1940–1949	3.6%
1939 or earlier	23.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.1%
2 bedrooms	15.6%
3 bedrooms	44.7%
4 bedrooms	30.0%
5+ bedrooms	6.7%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	24.0%
2 vehicles	44.8%
3 or more	31.3%

Heating fuel

Fuel type	%
Utility gas	3.5%
Electricity	46.9%
Propane / LP gas	24.3%
Fuel oil	17.4%
Wood	4.5%
Solar	2.1%
No fuel used	1.4%

Households & families

Household type	Count	%
Married-couple family	198	68.8%
Cohabiting couple	6	2.1%
Male householder, no spouse	11	3.8%
Female householder, no spouse	73	25.3%
Households with children under 18	46	16.0%
Households with seniors (65+)	130	45.1%
Average household size	2.28

Marital status

Status	Male	Female
Never married	24.9%	12.9%
Married	69.0%	68.3%
Separated	0.0%	2.0%
Widowed	6.1%	15.5%
Divorced	0.0%	1.3%

Education

Less than 9th grade 2.9%

Some HS, no diploma 1.3%

HS graduate 25.6%

Some college, no degree 11.3%

Associate's degree 6.7%

Bachelor's degree 32.7%

Graduate / professional 19.5%

Metric	%
HS diploma or higher	95.8%
Bachelor's or higher	52.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	13	9.8%
Kindergarten	15	11.3%
Elementary school	36	27.1%
High school	22	16.5%
College / grad school	47	35.3%

Employment

Industry of employment

Education & healthcare 23.0%

Professional & management 20.9%

Arts, food & hospitality 8.9%

Agriculture & mining 8.1%

Finance & real estate 8.1%

Construction 6.8%

Public administration 6.0%

Other services 4.9%

Manufacturing 4.3%

Retail trade 4.3%

Transportation & utilities 3.5%

Information 1.1%

Occupation

Category	%
Management, business & arts	59.3%
Service	12.7%
Sales & office	13.6%
Natural resources & construction	8.7%
Production & transportation	5.7%

Employment type

Type	%
Private sector	66.1%
Government	14.4%
Self-employed	19.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	69.1%
Carpool	7.6%
Public transit	0.0%
Walk	1.4%
Work from home	22.0%
Other means	0.0%
Avg commute (minutes)	29.6

Poverty

All people 0.0%

Under 18 years 0.0%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	32.3%
Retirement income	34.7%
Supplemental Security	1.4%
Cash public assistance	0.0%
Food stamps / SNAP	1.7%

Health indicators

Condition	%
Obesity	30.8%
High blood pressure	38.9%
High cholesterol	39.1%
Diabetes	11.3%
Heart disease	7.3%
Stroke	3.2%
Asthma	8.3%
Arthritis	30.9%
Kidney disease	3.3%
Pulmonary disease	5.8%
Cancer	10.4%

Behavior / access	%
Smoking	9.2%
Binge drinking	13.2%
No physical activity	18.0%
Less than 7 hrs sleep	25.7%
Depression	15.3%
Fair or poor health	10.0%
Poor mental health	10.0%
Poor physical health	7.8%
No health insurance	6.9%
Visited doctor (checkup)	83.0%
Visited dentist	78.4%
Cholesterol screening	96.0%
Teeth loss	5.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	39	6.9%

Disability	%
Any disability	9.4%
Under 18	0.0%
18–64 years	8.2%
65 and over	16.5%

Health insurance coverage

Type	%
Private insurance	80.8%
Public insurance	39.4%
No insurance	3.8%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	631	96.0%
Spanish	62	9.8%
Other Indo-European	43	6.8%
Asian & Pacific Islander	0	0.0%
Other languages	19	3.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	571	86.9%
Born in same state	564	85.8%
Born in different state	379	57.7%
Foreign born	7	1.1%
Naturalized citizen	86	13.1%
Not a US citizen	3	3.5%

Ancestry

Ancestry	Count	%
French	97	14.8%
Italian	89	13.5%
Arab	25	3.8%

Ancestry	Count	%
German	11	1.7%
Irish	6	0.9%
Polish	4	0.6%

Technology access

Metric	% of households
Computer access	43.8%
Internet access	98.3%

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

Frequently asked questions about ZIP code 21662

What city is ZIP code 21662 in?

ZIP code 21662 is primarily assigned to Royal Oak, Maryland.

What county is ZIP code 21662 in?

ZIP code 21662 falls within Talbot County, Maryland.

Does ZIP code 21662 have an older population?

29% of residents in ZIP code 21662 are 65 or older, above the national average of ~17%.

How educated is the population of ZIP code 21662?

52% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 21662 mostly owner-occupied?

81% of occupied units in ZIP code 21662 are owner-occupied, well above the national average.

What is the median household income in ZIP code 21662?

The median household income in ZIP code 21662 is $167,647, above the national median of ~$75,000.

What timezone is ZIP code 21662 in?

ZIP code 21662 observes the EST timezone.