21811 ZIP Code — Berlin, MD

Worcester County, Maryland

ZIP code 21811 is located in Berlin, Maryland, within Worcester County. It covers approximately 101.50 square miles and serves a population of 24,456 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 410/443/667.

About ZIP code 21811

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 $332,000. Owner-occupancy is high at 81%, well above the national average.

The gap between median ($87,611) and mean household income suggests income inequality — a small number of higher earners pull the average up. 53% 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 24 minutes is near the national average.

Educational attainment is near the national average, with 35% 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 21811 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

24,456

population

101.50

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21811 ZIP code map

Cities in ZIP code 21811

Below are the cities the US Postal Service accepts for ZIP code 21811. Using any city not on this list may result in mail delivery delays.

City	Status
Berlin	Acceptable
Berlin	Acceptable
Berlin	Preferred

Nearby ZIP codes

21841 Newark (4.8 mi) 21872 Whaleyville (7.2 mi) 21813 Bishopville (8.1 mi) 21874 Willards (8.4 mi) 21842 Ocean City (8.8 mi) 21850 Pittsville (9.3 mi) 19975 Selbyville (11.6 mi) 21863 Snow Hill (12.7 mi) 19945 Frankford (13.1 mi) 21849 Parsonsburg (13.5 mi) 19944 Fenwick Island (15 mi) 21804 Salisbury (15.3 mi)

Demographics updated 05/2026

Population
Total population	24,456
Population density	241 / sq mi
State FIPS	24
County FIPS	047

Geography
Land area	101.50 sq mi
Water area	12.47 sq mi
Latitude	38.3141
Longitude	-75.2355
Timezone	Eastern (ET)
Area code	410/443/667

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	34.6%	40.0%	28.2%
$50k – $100k	32.9%	31.3%	28.2%
$100k – $200k	24.3%	21.0%	30.1%
Over $200k	8.1%	7.8%	13.4%

Demographics & statistics

24,456

Population

241

People per sq mi

54.9

Median age

$87,611

Median household income

$49,156

Per capita income

$332,000

Median home value

$1,351

Median monthly rent

81.0%

Home ownership

7.5%

Poverty rate

5.2%

Unemployment

13,307

Housing units

34.7%

Bachelor's or higher

Age distribution

Male Female

434

Under 5

459

507

5–9

536

718

10–14

759

501

15–19

531

408

20–24

431

905

25–34

958

1,087

35–44

1,151

1,398

45–54

1,480

831

55–59

880

1,132

60–64

1,198

2,171

65–74

2,297

1,299

75–84

1,375

491

85+

519

← Male

Female →

Age summary

Group	Count	%
Under 18	4,114	16.8%
18 and over	20,342	83.2%
65 and over	8,152	33.3%
Median age	54.9 years

Race & ethnicity

White 81.7%

Black or African American 8.3%

Two or more races 3.9%

Hispanic or Latino 2.9%

Asian 2.2%

Other race 1.1%

Group	Count	%
White	20,572	81.7%
Black or African American	2,082	8.3%
Two or more races	970	3.9%
Hispanic or Latino	722	2.9%
Asian	555	2.2%
Other race	268	1.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	34.6%	40.0%	28.2%
$50k – $100k	32.9%	31.3%	28.2%
$100k – $200k	24.3%	21.0%	30.1%
Over $200k	8.1%	7.8%	13.4%

Under $10k 3.9%

$10k–$15k 2.5%

$15k–$25k 4.4%

$25k–$35k 5.2%

$35k–$50k 11.2%

$50k–$75k 15.8%

$75k–$100k 14.2%

$100k–$150k 21.9%

$150k–$200k 8.0%

$200k+ 13.0%

Range	% of households
Under $10k	3.9%
$10k–$15k	2.5%
$15k–$25k	4.4%
$25k–$35k	5.2%
$35k–$50k	11.2%
$50k–$75k	15.8%
$75k–$100k	14.2%
$100k–$150k	21.9%
$150k–$200k	8.0%
$200k+	13.0%
Median income	$87,611

Housing

Home values

Under $50k 2.6%

$50k–$100k 1.2%

$100k–$150k 2.0%

$150k–$200k 5.0%

$200k–$300k 32.1%

$300k–$500k 37.2%

$500k–$1M 16.4%

$1M+ 3.5%

Housing overview

Metric	Value
Median home value	$332,000
Median rent / month	$1,351
Owner occupied	81.0%
Renter occupied	19.0%
Vacant	30.9%
Single-family detached	79.7%
Large apartment buildings	1.8%
Mobile homes	7.9%
Median rooms	6.1
Avg household size (owned)	2.28

Year built

Era	%
2020 or later	0.6%
2010–2019	4.0%
2000–2009	26.4%
1990–1999	26.9%
1980–1989	22.1%
1970–1979	9.6%
1960–1969	3.0%
1950–1959	2.2%
1940–1949	0.9%
1939 or earlier	4.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	2.3%
2 bedrooms	16.2%
3 bedrooms	54.1%
4 bedrooms	22.7%
5+ bedrooms	4.1%

Vehicles per household

Vehicles	% of households
No vehicle	4.2%
1 vehicle	30.4%
2 vehicles	42.0%
3 or more	23.4%

Heating fuel

Fuel type	%
Utility gas	20.8%
Electricity	62.5%
Propane / LP gas	10.4%
Fuel oil	3.5%
Wood	2.2%
Solar	0.1%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	5,790	54.7%
Cohabiting couple	561	5.3%
Male householder, no spouse	1,393	13.2%
Female householder, no spouse	2,834	26.8%
Households with children under 18	2,348	22.2%
Households with seniors (65+)	5,435	51.4%
Average household size	2.29

Marital status

Status	Male	Female
Never married	22.2%	18.2%
Married	64.0%	54.6%
Separated	0.6%	1.0%
Widowed	3.7%	15.4%
Divorced	9.5%	10.8%

Education

Less than 9th grade 1.8%

Some HS, no diploma 4.1%

HS graduate 28.5%

Some college, no degree 22.9%

Associate's degree 7.9%

Bachelor's degree 21.9%

Graduate / professional 12.8%

Metric	%
HS diploma or higher	94.1%
Bachelor's or higher	34.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	318	7.3%
Kindergarten	170	3.9%
Elementary school	1,869	42.7%
High school	1,209	27.7%
College / grad school	806	18.4%

Employment

Industry of employment

Education & healthcare 20.7%

Arts, food & hospitality 20.4%

Professional & management 12.8%

Retail trade 10.1%

Construction 9.6%

Finance & real estate 6.5%

Public administration 5.0%

Manufacturing 4.7%

Other services 3.3%

Wholesale trade 3.1%

Transportation & utilities 1.7%

Agriculture & mining 1.2%

Information 0.8%

Occupation

Category	%
Management, business & arts	39.4%
Service	21.8%
Sales & office	24.6%
Natural resources & construction	11.4%
Production & transportation	2.8%

Employment type

Type	%
Private sector	78.2%
Government	13.9%
Self-employed	7.3%
Unpaid family workers	0.6%

Commute

Method	%
Drive alone	79.1%
Carpool	6.8%
Public transit	0.4%
Walk	3.3%
Work from home	9.6%
Other means	0.8%
Avg commute (minutes)	23.5

Poverty

All people 7.5%

Under 18 years 9.3%

18 and over 7.2%

Married-couple families 3.1%

Female-led households 15.4%

Income support

Source	% of households
Social Security	52.7%
Retirement income	42.3%
Supplemental Security	4.8%
Cash public assistance	2.0%
Food stamps / SNAP	7.6%

Health indicators

Condition	%
Obesity	32.1%
High blood pressure	42.5%
High cholesterol	40.9%
Diabetes	12.3%
Heart disease	7.9%
Stroke	3.6%
Asthma	9.0%
Arthritis	31.2%
Kidney disease	3.4%
Pulmonary disease	7.3%
Cancer	9.5%

Behavior / access	%
Smoking	14.2%
Binge drinking	12.9%
No physical activity	24.0%
Less than 7 hrs sleep	28.2%
Depression	18.3%
Fair or poor health	12.8%
Poor mental health	12.3%
Poor physical health	9.4%
No health insurance	9.1%
Visited doctor (checkup)	80.0%
Visited dentist	66.8%
Cholesterol screening	94.2%
Teeth loss	9.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,270	11.2%

Disability	%
Any disability	14.9%
Under 18	2.1%
18–64 years	12.1%
65 and over	25.6%

Health insurance coverage

Type	%
Private insurance	70.0%
Public insurance	51.0%
No insurance	4.6%
Uninsured under 19	6.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	23,563	96.3%
Spanish	522	2.2%
Other Indo-European	177	0.8%
Asian & Pacific Islander	65	0.3%
Other languages	248	1.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	23,381	95.6%
Born in same state	23,171	94.7%
Born in different state	11,981	49.0%
Foreign born	210	0.9%
Naturalized citizen	1,075	4.4%
Not a US citizen	591	55.0%

Ancestry

Ancestry	Count	%
Italian	4,194	17.1%
French	3,655	14.9%
Arab	1,026	4.2%
Irish	199	0.8%
English	196	0.8%

Ancestry	Count	%
Norwegian	196	0.8%
German	150	0.6%
Polish	113	0.5%
Dutch	25	0.1%

Technology access

Metric	% of households
Computer access	43.3%
Internet access	94.4%

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

Frequently asked questions about ZIP code 21811

What city is ZIP code 21811 in?

ZIP code 21811 is primarily assigned to Berlin, Maryland.

What county is ZIP code 21811 in?

ZIP code 21811 falls within Worcester County, Maryland.

Does ZIP code 21811 have an older population?

33% of residents in ZIP code 21811 are 65 or older, above the national average of ~17%.

Does ZIP code 21811 have a large retiree population?

53% of households in ZIP code 21811 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 21811 mostly owner-occupied?

81% of occupied units in ZIP code 21811 are owner-occupied, well above the national average.

Does ZIP code 21811 have a large veteran population?

11% of civilians in ZIP code 21811 are veterans, above the national average of ~7%.

What timezone is ZIP code 21811 in?

ZIP code 21811 observes the EST timezone.