21793 ZIP Code — Walkersville, MD

Frederick County, Maryland

ZIP code 21793 is located in Walkersville, Maryland, within Frederick County. It covers approximately 21.36 square miles and serves a population of 10,882 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 301/240.

About ZIP code 21793

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $389,500. Owner-occupancy is high at 86%, well above the national average.

Median household income is $125,203. The poverty rate of 4% is below the national average. 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 34 minutes is near the national average.

Educational attainment is near the national average, with 39% of residents holding a bachelor's degree or higher.

Overall, ZIP code 21793 reflects a community defined by high homeownership and a significant Social Security-dependent population.

10,882

population

21.36

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21793 ZIP code map

Cities in ZIP code 21793

Below are the cities the US Postal Service accepts for ZIP code 21793. Using any city not on this list may result in mail delivery delays.

City	Status
Walkersville	Preferred

Nearby ZIP codes

21701 Frederick (2.1 mi) 21798 Woodsboro (4.3 mi) 21702 Frederick (5.9 mi) 21709 Frederick (6.6 mi) 21774 New Market (6.8 mi) 21778 Rocky Ridge (8.2 mi) 21788 Thurmont (8.2 mi) 21791 Union Bridge (8.8 mi) 21757 Keymar (8.8 mi) 21704 Frederick (10.5 mi) 21703 Frederick (11 mi) 21770 Monrovia (11.1 mi)

Demographics updated 05/2026

Population
Total population	10,882
Population density	509 / sq mi
State FIPS	24
County FIPS	021

Geography
Land area	21.36 sq mi
Water area	0.01 sq mi
Latitude	39.4940
Longitude	-77.3437
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	26.1%	22.0%	28.2%
$50k – $100k	25.2%	27.2%	28.2%
$100k – $200k	37.6%	36.5%	30.1%
Over $200k	11.1%	14.3%	13.4%

Demographics & statistics

10,882

Population

509

People per sq mi

42.6

Median age

$125,203

Median household income

$52,266

Per capita income

$389,500

Median home value

$1,627

Median monthly rent

85.8%

Home ownership

3.8%

Poverty rate

3.4%

Unemployment

3,524

Housing units

38.6%

Bachelor's or higher

Age distribution

Male Female

290

Under 5

309

314

5–9

334

312

10–14

332

401

15–19

427

235

20–24

250

584

25–34

623

750

35–44

799

619

45–54

659

424

55–59

453

446

60–64

476

555

65–74

591

204

75–84

218

134

85+

143

← Male

Female →

Age summary

Group	Count	%
Under 18	2,441	22.4%
18 and over	8,441	77.6%
65 and over	1,845	17.0%
Median age	42.6 years

Race & ethnicity

White 73.4%

Two or more races 8%

Black or African American 7.8%

Hispanic or Latino 6.7%

Asian 2.4%

Other race 1.5%

American Indian / Alaska Native 0.2%

Group	Count	%
White	8,560	73.4%
Two or more races	928	8%
Black or African American	909	7.8%
Hispanic or Latino	776	6.7%
Asian	282	2.4%
Other race	177	1.5%
American Indian / Alaska Native	26	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.1%	22.0%	28.2%
$50k – $100k	25.2%	27.2%	28.2%
$100k – $200k	37.6%	36.5%	30.1%
Over $200k	11.1%	14.3%	13.4%

Under $10k 1.7%

$10k–$15k 0.6%

$15k–$25k 5.6%

$25k–$35k 4.6%

$35k–$50k 6.9%

$50k–$75k 9.9%

$75k–$100k 7.4%

$100k–$150k 26.7%

$150k–$200k 17.1%

$200k+ 19.6%

Range	% of households
Under $10k	1.7%
$10k–$15k	0.6%
$15k–$25k	5.6%
$25k–$35k	4.6%
$35k–$50k	6.9%
$50k–$75k	9.9%
$75k–$100k	7.4%
$100k–$150k	26.7%
$150k–$200k	17.1%
$200k+	19.6%
Median income	$125,203

Housing

Home values

Under $50k 2.0%

$50k–$100k 1.5%

$100k–$150k 0.9%

$150k–$200k 5.2%

$200k–$300k 17.4%

$300k–$500k 51.7%

$500k–$1M 21.3%

Housing overview

Metric	Value
Median home value	$389,500
Median rent / month	$1,627
Owner occupied	85.8%
Renter occupied	14.2%
Vacant	2.4%
Single-family detached	77.3%
Large apartment buildings	5.9%
Mobile homes	0.3%
Median rooms	7.8
Avg household size (owned)	2.69

Year built

Era	%
2020 or later	1.5%
2010–2019	2.6%
2000–2009	13.8%
1990–1999	11.0%
1980–1989	22.6%
1970–1979	25.8%
1960–1969	4.5%
1950–1959	1.8%
1940–1949	0.1%
1939 or earlier	16.3%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	1.7%
2 bedrooms	10.2%
3 bedrooms	35.5%
4 bedrooms	40.8%
5+ bedrooms	11.7%

Vehicles per household

Vehicles	% of households
No vehicle	5.0%
1 vehicle	18.3%
2 vehicles	39.1%
3 or more	37.6%

Heating fuel

Fuel type	%
Utility gas	23.8%
Electricity	60.8%
Propane / LP gas	3.0%
Fuel oil	9.4%
Wood	0.4%
Solar	0.3%
No fuel used	1.3%

Households & families

Household type	Count	%
Married-couple family	2,530	63.4%
Cohabiting couple	178	4.5%
Male householder, no spouse	418	10.5%
Female householder, no spouse	866	21.7%
Households with children under 18	1,385	34.7%
Households with seniors (65+)	1,343	33.6%
Average household size	2.70

Marital status

Status	Male	Female
Never married	26.7%	23.9%
Married	63.6%	54.7%
Separated	0.7%	0.5%
Widowed	1.9%	10.5%
Divorced	7.1%	10.3%

Education

Less than 9th grade 1.1%

Some HS, no diploma 2.3%

HS graduate 25.8%

Some college, no degree 23.5%

Associate's degree 8.7%

Bachelor's degree 21.0%

Graduate / professional 17.6%

Metric	%
HS diploma or higher	96.6%
Bachelor's or higher	38.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	172	6.3%
Kindergarten	115	4.2%
Elementary school	1,044	38.3%
High school	729	26.7%
College / grad school	669	24.5%

Employment

Industry of employment

Education & healthcare 25.4%

Professional & management 17.6%

Construction 10.4%

Retail trade 8.1%

Manufacturing 7.0%

Other services 6.2%

Public administration 6.2%

Arts, food & hospitality 6.0%

Finance & real estate 5.2%

Transportation & utilities 3.1%

Agriculture & mining 2.6%

Information 1.1%

Wholesale trade 1.0%

Occupation

Category	%
Management, business & arts	46.7%
Service	15.7%
Sales & office	20.2%
Natural resources & construction	9.2%
Production & transportation	8.2%

Employment type

Type	%
Private sector	76.4%
Government	18.0%
Self-employed	5.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	76.9%
Carpool	7.0%
Public transit	1.0%
Walk	1.3%
Work from home	13.8%
Other means	0.0%
Avg commute (minutes)	34.3

Poverty

All people 3.8%

Under 18 years 5.2%

18 and over 3.4%

Married-couple families 1.7%

Female-led households 6.4%

Income support

Source	% of households
Social Security	32.1%
Retirement income	34.1%
Supplemental Security	3.6%
Cash public assistance	1.3%
Food stamps / SNAP	4.8%

Health indicators

Condition	%
Obesity	33.6%
High blood pressure	33.0%
High cholesterol	35.6%
Diabetes	10.5%
Heart disease	5.8%
Stroke	2.8%
Asthma	10.2%
Arthritis	24.3%
Kidney disease	2.7%
Pulmonary disease	6.2%
Cancer	6.8%

Behavior / access	%
Smoking	14.1%
Binge drinking	15.9%
No physical activity	20.9%
Less than 7 hrs sleep	31.9%
Depression	20.7%
Fair or poor health	11.8%
Poor mental health	14.3%
Poor physical health	8.8%
No health insurance	9.5%
Visited doctor (checkup)	75.8%
Visited dentist	66.8%
Cholesterol screening	92.0%
Teeth loss	10.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	707	8.4%

Disability	%
Any disability	9.6%
Under 18	5.7%
18–64 years	7.0%
65 and over	24.2%

Health insurance coverage

Type	%
Private insurance	81.7%
Public insurance	29.1%
No insurance	3.2%
Uninsured under 19	1.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	10,283	94.5%
Spanish	389	3.8%
Other Indo-European	360	3.5%
Asian & Pacific Islander	0	0.0%
Other languages	23	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	10,151	93.3%
Born in same state	10,000	91.9%
Born in different state	5,945	54.6%
Foreign born	151	1.4%
Naturalized citizen	731	6.7%
Not a US citizen	420	57.5%

Ancestry

Ancestry	Count	%
Italian	1,795	16.5%
French	1,702	15.6%
Arab	421	3.9%
English	101	0.9%
German	23	0.2%

Ancestry	Count	%
Polish	22	0.2%
Norwegian	22	0.2%
Dutch	11	0.1%
Irish	10	0.1%

Technology access

Metric	% of households
Computer access	36.7%
Internet access	94.1%

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

Frequently asked questions about ZIP code 21793

What city is ZIP code 21793 in?

ZIP code 21793 is primarily assigned to Walkersville, Maryland.

What county is ZIP code 21793 in?

ZIP code 21793 falls within Frederick County, Maryland.

Is ZIP code 21793 mostly owner-occupied?

86% of occupied units in ZIP code 21793 are owner-occupied, well above the national average.

What is the median household income in ZIP code 21793?

The median household income in ZIP code 21793 is $125,203, above the national median of ~$75,000.

What is the typical home value in ZIP code 21793?

The median home value in ZIP code 21793 is $389,500.

What is the population of ZIP code 21793?

ZIP code 21793 has an estimated population of 10,882 residents, with a density of 509 people per square mile.

What timezone is ZIP code 21793 in?

ZIP code 21793 observes the EST timezone.