21713 ZIP Code — Boonsboro, MD

Washington County, Maryland

ZIP code 21713 is located in Boonsboro, Maryland, within Washington County. It covers approximately 39.56 square miles and serves a population of 9,999 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 301/240.

About ZIP code 21713

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 $337,100. Owner-occupancy is high at 82%, well above the national average.

Median household income is $96,555. 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 33 minutes is near the national average.

Educational attainment is near the national average, with 27% of residents holding a bachelor's degree or higher.

Overall, ZIP code 21713 reflects a community defined by high homeownership and a significant Social Security-dependent population.

9,999

population

39.56

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21713 ZIP code map

Cities in ZIP code 21713

Below are the cities the US Postal Service accepts for ZIP code 21713. Using any city not on this list may result in mail delivery delays.

City	Status
Boonsboro	Preferred

Nearby ZIP codes

21733 Fairplay (3.9 mi) 21756 Keedysville (4.8 mi) 21782 Sharpsburg (6.4 mi) 21779 Rohrersville (7.1 mi) 21773 Myersville (7.5 mi) 21740 Hagerstown (7.7 mi) 25443 Shepherdstown (8 mi) 21795 Williamsport (8.3 mi) 21746 Hagerstown (8.6 mi) 21769 Middletown (8.7 mi) 21749 Hagerstown (8.8 mi) 21718 Burkittsville (9.2 mi)

Demographics updated 05/2026

Population
Total population	9,999
Population density	253 / sq mi
State FIPS	24
County FIPS	043

Geography
Land area	39.56 sq mi
Water area	0.06 sq mi
Latitude	39.5189
Longitude	-77.6961
Timezone	Eastern (ET)
Area code	301/240

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	29.4%	40.3%	28.2%
$50k – $100k	25.3%	30.7%	28.2%
$100k – $200k	34.9%	23.5%	30.1%
Over $200k	10.5%	5.6%	13.4%

Demographics & statistics

9,999

Population

253

People per sq mi

45.3

Median age

$96,555

Median household income

$45,114

Per capita income

$337,100

Median home value

$1,214

Median monthly rent

82.4%

Home ownership

7.9%

Poverty rate

4.6%

Unemployment

3,375

Housing units

26.7%

Bachelor's or higher

Age distribution

Male Female

333

Under 5

283

251

5–9

214

416

10–14

354

337

15–19

287

266

20–24

226

510

25–34

434

581

35–44

494

820

45–54

698

381

55–59

325

449

60–64

383

572

65–74

487

311

75–84

265

174

85+

148

← Male

Female →

Age summary

Group	Count	%
Under 18	2,339	23.4%
18 and over	7,660	76.6%
65 and over	1,957	19.6%
Median age	45.3 years

Race & ethnicity

White 92.2%

Black or African American 4.4%

Asian 2.2%

Two or more races 0.8%

Hispanic or Latino 0.2%

Other race 0.1%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	9,238	92.2%
Black or African American	439	4.4%
Asian	217	2.2%
Two or more races	80	0.8%
Hispanic or Latino	19	0.2%
Other race	15	0.1%
Native Hawaiian / Pacific Islander	10	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	29.4%	40.3%	28.2%
$50k – $100k	25.3%	30.7%	28.2%
$100k – $200k	34.9%	23.5%	30.1%
Over $200k	10.5%	5.6%	13.4%

Under $10k 3.3%

$10k–$15k 4.3%

$15k–$25k 4.8%

$25k–$35k 5.2%

$35k–$50k 6.7%

$50k–$75k 9.8%

$75k–$100k 18.0%

$100k–$150k 25.8%

$150k–$200k 8.4%

$200k+ 13.7%

Range	% of households
Under $10k	3.3%
$10k–$15k	4.3%
$15k–$25k	4.8%
$25k–$35k	5.2%
$35k–$50k	6.7%
$50k–$75k	9.8%
$75k–$100k	18.0%
$100k–$150k	25.8%
$150k–$200k	8.4%
$200k+	13.7%
Median income	$96,555

Housing

Home values

Under $50k 2.6%

$50k–$100k 2.1%

$100k–$150k 1.5%

$150k–$200k 9.0%

$200k–$300k 21.8%

$300k–$500k 49.2%

$500k–$1M 11.9%

$1M+ 1.8%

Housing overview

Metric	Value
Median home value	$337,100
Median rent / month	$1,214
Owner occupied	82.4%
Renter occupied	17.6%
Vacant	3.6%
Single-family detached	86.7%
Large apartment buildings	0.0%
Mobile homes	2.6%
Median rooms	6.8
Avg household size (owned)	2.49

Year built

Era	%
2020 or later	0.0%
2010–2019	7.4%
2000–2009	13.0%
1990–1999	8.1%
1980–1989	15.5%
1970–1979	14.1%
1960–1969	11.4%
1950–1959	6.3%
1940–1949	5.6%
1939 or earlier	18.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.1%
2 bedrooms	21.3%
3 bedrooms	41.8%
4 bedrooms	27.2%
5+ bedrooms	6.6%

Vehicles per household

Vehicles	% of households
No vehicle	4.2%
1 vehicle	13.2%
2 vehicles	46.0%
3 or more	36.7%

Heating fuel

Fuel type	%
Utility gas	7.9%
Electricity	59.7%
Propane / LP gas	8.0%
Fuel oil	18.1%
Wood	5.4%
No fuel used	0.8%

Households & families

Household type	Count	%
Married-couple family	2,251	57.4%
Cohabiting couple	309	7.9%
Male householder, no spouse	616	15.7%
Female householder, no spouse	743	19.0%
Households with children under 18	1,324	33.8%
Households with seniors (65+)	1,282	32.7%
Average household size	2.48

Marital status

Status	Male	Female
Never married	25.2%	14.2%
Married	56.5%	58.7%
Separated	3.9%	3.9%
Widowed	2.1%	12.0%
Divorced	12.3%	11.2%

Education

Less than 9th grade 2.8%

Some HS, no diploma 4.0%

HS graduate 34.1%

Some college, no degree 21.4%

Associate's degree 10.9%

Bachelor's degree 15.1%

Graduate / professional 11.7%

Metric	%
HS diploma or higher	93.1%
Bachelor's or higher	26.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	184	8.1%
Kindergarten	159	7.0%
Elementary school	968	42.4%
High school	547	24.0%
College / grad school	424	18.6%

Employment

Industry of employment

Education & healthcare 20.4%

Professional & management 16.8%

Retail trade 14.3%

Public administration 10.0%

Construction 8.8%

Transportation & utilities 8.4%

Manufacturing 6.0%

Arts, food & hospitality 4.5%

Other services 4.1%

Finance & real estate 2.8%

Wholesale trade 2.6%

Information 0.8%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	42.8%
Service	10.9%
Sales & office	26.4%
Natural resources & construction	10.9%
Production & transportation	8.9%

Employment type

Type	%
Private sector	71.5%
Government	22.4%
Self-employed	6.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	73.8%
Carpool	10.5%
Public transit	0.6%
Walk	0.0%
Work from home	14.1%
Other means	1.1%
Avg commute (minutes)	33.0

Poverty

All people 7.9%

Under 18 years 5.6%

18 and over 8.6%

Married-couple families 2.9%

Female-led households 4.4%

Income support

Source	% of households
Social Security	32.2%
Retirement income	35.3%
Supplemental Security	2.8%
Cash public assistance	1.5%
Food stamps / SNAP	4.7%

Health indicators

Condition	%
Obesity	34.1%
High blood pressure	36.1%
High cholesterol	35.1%
Diabetes	10.0%
Heart disease	6.6%
Stroke	2.9%
Asthma	10.1%
Arthritis	28.2%
Kidney disease	2.8%
Pulmonary disease	6.7%
Cancer	7.8%

Behavior / access	%
Smoking	16.9%
Binge drinking	14.5%
No physical activity	23.8%
Less than 7 hrs sleep	32.5%
Depression	19.8%
Fair or poor health	11.7%
Poor mental health	13.5%
Poor physical health	9.1%
No health insurance	9.4%
Visited doctor (checkup)	78.0%
Visited dentist	67.9%
Cholesterol screening	92.8%
Teeth loss	11.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	756	9.9%

Disability	%
Any disability	10.6%
Under 18	6.2%
18–64 years	7.7%
65 and over	25.8%

Health insurance coverage

Type	%
Private insurance	76.7%
Public insurance	32.6%
No insurance	4.1%
Uninsured under 19	5.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	9,383	93.8%
Spanish	79	0.8%
Other Indo-European	39	0.4%
Asian & Pacific Islander	40	0.4%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	9,658	96.6%
Born in same state	9,426	94.3%
Born in different state	6,435	64.4%
Foreign born	232	2.3%
Naturalized citizen	341	3.4%
Not a US citizen	153	44.9%

Ancestry

Ancestry	Count	%
French	1,274	12.7%
Italian	1,255	12.6%
Arab	495	5%
Polish	68	0.7%

Ancestry	Count	%
English	59	0.6%
Irish	47	0.5%
Dutch	4	0%

Technology access

Metric	% of households
Computer access	39.2%
Internet access	88.5%

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

Frequently asked questions about ZIP code 21713

What city is ZIP code 21713 in?

ZIP code 21713 is primarily assigned to Boonsboro, Maryland.

What county is ZIP code 21713 in?

ZIP code 21713 falls within Washington County, Maryland.

Is ZIP code 21713 mostly owner-occupied?

82% of occupied units in ZIP code 21713 are owner-occupied, well above the national average.

Does ZIP code 21713 have a large veteran population?

10% of civilians in ZIP code 21713 are veterans, above the national average of ~7%.

What is the typical home value in ZIP code 21713?

The median home value in ZIP code 21713 is $337,100.

What is the population of ZIP code 21713?

ZIP code 21713 has an estimated population of 9,999 residents, with a density of 253 people per square mile.

What timezone is ZIP code 21713 in?

ZIP code 21713 observes the EST timezone.