Greensboro ZIP Codes — Caroline County, MD

There is one unique ZIP code in Greensboro, Maryland and it is 21639. Area code: 410/667.

ZIP codes

33.09

sq mi land

0.32

sq mi water

410/667

area code

Greensboro, MD ZIP code map

About Greensboro, MD

Greensboro, Maryland, is a charming small town nestled in the heart of Caroline County. Known for its friendly atmosphere and tight-knit community, it offers a peaceful lifestyle amidst beautiful natural surroundings. With a single ZIP code of 21639, Greensboro serves as a unique location for residents and visitors alike.

Location & geography

Greensboro is located in eastern Maryland, providing easy access to both rural and urban settings. It is surrounded by several cities, including Easton, approximately 23 miles to the northeast, Denton, about 12 miles to the south, and Federalsburg, around 10 miles to the southwest. The town spans a land area of 33.09 square miles, with a small water area of 0.32 square miles, contributing to its scenic charm.

Community & economy

The character of Greensboro is rooted in its welcoming community and rich agricultural heritage. Local industries include farming and small businesses that cater to the needs of residents and the nearby region. Daily life in Greensboro revolves around community events, local parks, and recreational activities that foster connections among residents.

Transportation

Transportation in Greensboro is facilitated primarily through local roads, with Maryland Route 313 running through the town and connecting it to larger highways. The nearest major airport is the Salisbury-Ocean City Wicomico Regional Airport, located approximately 40 miles to the southeast. Public transportation options are limited, making personal vehicles the primary mode of travel for residents.

History

Greensboro was founded in the 19th century and has a rich history tied to the agricultural development of Caroline County. Over the years, it has been influenced by key industries such as farming and local commerce, which continue to shape the community today. Notable events in its history include the establishment of local markets that have supported the economy and culture of the area.

Did you know?

A surprising fact about Greensboro is that it is home to the historic Greensboro Railroad Station, which dates back to the early 1900s. This station serves as a reminder of the town's transportation heritage and its past significance in the region's commerce.

ZIP codes for Greensboro, MD (1)

ZIP code	City	County	Map
21639	Greensboro	Caroline	View map

Demographics & statistics

4,734

Population

35.4

Median age

$56,173

Median household income

$30,701

Per capita income

$245,200

Median home value

$1,154

Median monthly rent

70.4%

Home ownership

17.8%

Poverty rate

3.0%

Unemployment

1,392

Housing units

11.1%

Bachelor's or higher

Age distribution

Male Female

200

Under 5

189

224

5–9

211

167

10–14

157

137

15–19

130

152

20–24

144

314

25–34

295

325

35–44

306

286

45–54

269

150

55–59

141

161

60–64

151

180

65–74

170

108

75–84

102

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,317	27.8%
18 and over	3,417	72.2%
65 and over	625	13.2%
Median age	35.4 years

Race & ethnicity

White 70.5%

Two or more races 10%

Hispanic or Latino 7.2%

Black or African American 6.8%

American Indian / Alaska Native 5%

Other race 0.4%

Asian 0.1%

Group	Count	%
White	3,597	70.5%
Two or more races	511	10%
Hispanic or Latino	367	7.2%
Black or African American	349	6.8%
American Indian / Alaska Native	253	5%
Other race	19	0.4%
Asian	5	0.1%

Household income

Under $10k 2.3%

$10k–$15k 2.3%

$15k–$25k 11.6%

$25k–$35k 12.6%

$35k–$50k 13.3%

$50k–$75k 15.7%

$75k–$100k 9.2%

$100k–$150k 23.3%

$150k–$200k 5.5%

$200k+ 4.1%

Range	% of households
Under $10k	2.3%
$10k–$15k	2.3%
$15k–$25k	11.6%
$25k–$35k	12.6%
$35k–$50k	13.3%
$50k–$75k	15.7%
$75k–$100k	9.2%
$100k–$150k	23.3%
$150k–$200k	5.5%
$200k+	4.1%
Median income	$56,173

Housing

Home values

Under $50k 2.2%

$50k–$100k 3.6%

$100k–$150k 15.0%

$150k–$200k 16.3%

$200k–$300k 32.0%

$300k–$500k 21.7%

$500k–$1M 6.6%

$1M+ 2.6%

Housing overview

Metric	Value
Median home value	$245,200
Median rent / month	$1,154
Owner occupied	70.4%
Renter occupied	29.6%
Vacant	9.9%
Single-family detached	78.3%
Large apartment buildings	2.6%
Mobile homes	5.2%
Median rooms	5.9
Avg household size (owned)	2.76

Year built

Era	%
2020 or later	0.0%
2010–2019	2.1%
2000–2009	13.9%
1990–1999	19.5%
1980–1989	16.7%
1970–1979	12.9%
1960–1969	5.5%
1950–1959	7.0%
1940–1949	3.9%
1939 or earlier	18.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.4%
1 bedroom	8.7%
2 bedrooms	19.3%
3 bedrooms	54.4%
4 bedrooms	11.2%
5+ bedrooms	6.0%

Vehicles per household

Vehicles	% of households
No vehicle	7.4%
1 vehicle	27.5%
2 vehicles	24.8%
3 or more	40.3%

Heating fuel

Fuel type	%
Utility gas	1.6%
Electricity	64.9%
Propane / LP gas	10.6%
Fuel oil	14.0%
Wood	7.5%
No fuel used	1.2%

Households & families

Household type	Count	%
Married-couple family	786	45.9%
Cohabiting couple	153	8.9%
Male householder, no spouse	377	22.0%
Female householder, no spouse	395	23.1%
Households with children under 18	693	40.5%
Households with seniors (65+)	483	28.2%
Average household size	2.76

Marital status

Status	Male	Female
Never married	25.8%	35.4%
Married	49.1%	44.9%
Separated	1.1%	1.1%
Widowed	9.7%	5.1%
Divorced	14.3%	13.5%

Education

Less than 9th grade 7.3%

Some HS, no diploma 9.0%

HS graduate 43.5%

Some college, no degree 22.4%

Associate's degree 6.6%

Bachelor's degree 6.8%

Graduate / professional 4.3%

Metric	%
HS diploma or higher	83.7%
Bachelor's or higher	11.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	29	2.3%
Kindergarten	36	2.8%
Elementary school	608	47.8%
High school	253	19.9%
College / grad school	347	27.3%

Employment

Industry of employment

Education & healthcare 22.7%

Construction 20.6%

Agriculture & mining 11.7%

Retail trade 7.3%

Transportation & utilities 7.3%

Professional & management 6.1%

Arts, food & hospitality 6.1%

Finance & real estate 5.5%

Public administration 5.2%

Manufacturing 3.0%

Wholesale trade 2.9%

Other services 1.8%

Occupation

Category	%
Management, business & arts	30.6%
Service	14.3%
Sales & office	22.0%
Natural resources & construction	23.4%
Production & transportation	9.7%

Employment type

Type	%
Private sector	68.9%
Government	16.8%
Self-employed	14.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	78.4%
Carpool	8.5%
Public transit	0.0%
Walk	7.6%
Other means	2.7%
Avg commute (minutes)	34.2

Poverty

All people 17.8%

Under 18 years 32.7%

18 and over 12.1%

Married-couple families 4.6%

Female-led households 43.8%

Income support

Source	% of households
Social Security	35.2%
Retirement income	24.1%
Supplemental Security	3.4%
Cash public assistance	1.9%
Food stamps / SNAP	18.8%

Health indicators

Condition	%
High blood pressure	34.4%
High cholesterol	33.9%
Heart disease	6.3%
Stroke	3.3%
Asthma	11.0%
Arthritis	27.3%
Kidney disease	2.9%
Pulmonary disease	7.8%
Cancer	6.1%

Behavior / access	%
Binge drinking	15.2%
No physical activity	26.7%
Less than 7 hrs sleep	35.2%
Fair or poor health	15.8%
Poor mental health	17.0%
Poor physical health	10.9%
No health insurance	12.4%
Visited doctor (checkup)	77.7%
Visited dentist	58.2%
Cholesterol screening	89.1%
Teeth loss	15.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	242	7.1%

Disability	%
Any disability	9.2%
Under 18	5.2%
18–64 years	6.5%
65 and over	29.8%

Health insurance coverage

Type	%
Private insurance	51.5%
Public insurance	47.6%
Uninsured under 19	5.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,345	91.8%
Spanish	387	8.9%
Other Indo-European	382	8.8%
Asian & Pacific Islander	0	0.0%
Other languages	5	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,313	91.1%
Born in same state	4,258	89.9%
Born in different state	3,380	71.4%
Foreign born	55	1.2%
Naturalized citizen	421	8.9%
Not a US citizen	14	3.3%

Ancestry

Ancestry	Count	%
French	763	16.1%
Italian	567	12%
Arab	380	8%
English	111	2.3%

Ancestry	Count	%
Norwegian	101	2.1%
Dutch	19	0.4%
German	13	0.3%
Irish	8	0.2%

Technology access

Metric	% of households
Computer access	36.1%
Internet access	88.7%

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

Frequently asked questions

What ZIP codes does Greensboro, MD have?

Greensboro, MD has one ZIP code: 21639. Each ZIP code serves a distinct delivery area within the city and surrounding region.