21705 ZIP Code — Frederick, MD

Frederick County, Maryland

ZIP code 21705 is located in Frederick, Maryland, within Frederick County. It covers approximately 0.02 square miles and serves a population of 5 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 240/301.

5
population
0.02
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
21705 ZIP code map
Cities in ZIP code 21705

Below are the cities the US Postal Service accepts for ZIP code 21705. Using any city not on this list may result in mail delivery delays.

City Status
Frederick Acceptable
Demographics updated 05/2026
Population
Total population 5
Population density 250 / sq mi
State FIPS 24
County FIPS 021
Geography
Land area 0.02 sq mi
Water area 0.00 sq mi
Latitude 39.4142
Longitude -77.4105
Timezone Eastern (ET)
Area code 240/301
Total population by age
Gender
Race & ethnicity

Demographics & statistics

5
Population
250
People per sq mi
41.5
Median age
$0
Median household income
$0
Per capita income
$0
Median home value
$0
Median monthly rent
0.0%
Home ownership
100.0%
Poverty rate
100.0%
Unemployment
0
Housing units
0.0%
Bachelor's or higher

Age distribution

Male Female
0
5–9
1
1
35–44
2
0
60–64
1
← Male
Female →

Age summary

GroupCount%
Under 18120.0%
18 and over480.0%
65 and over00.0%
Median age41.5 years

Race & ethnicity

Black or African American 80%
White 20%
GroupCount%
Black or African American480%
White120%

Household income

Housing

Home values

Housing overview

MetricValue
Median home value$0
Median rent / month$0
Owner occupied0.0%
Renter occupied0.0%
Vacant0.0%
Single-family detached0.0%
Large apartment buildings0.0%
Mobile homes0.0%
Median rooms0.0
Avg household size (owned)0.00

Year built

Era%
2020 or later0.0%
2010–20190.0%
2000–20090.0%
1990–19990.0%
1980–19890.0%
1970–19790.0%
1960–19690.0%
1950–19590.0%
1940–19490.0%
1939 or earlier0.0%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom0.0%
2 bedrooms0.0%
3 bedrooms0.0%
4 bedrooms0.0%
5+ bedrooms0.0%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle0.0%
2 vehicles0.0%
3 or more0.0%

Heating fuel

Fuel type%

Households & families

Household typeCount%
Married-couple family00.0%
Cohabiting couple00.0%
Male householder, no spouse00.0%
Female householder, no spouse00.0%
Households with children under 1800.0%
Households with seniors (65+)00.0%
Average household size0.00

Marital status

StatusMaleFemale
Never married100.0%0.0%
Married0.0%100.0%
Separated0.0%0.0%
Widowed0.0%0.0%
Divorced0.0%0.0%

Education

Less than 9th grade 0.0%
Some HS, no diploma 0.0%
HS graduate 100.0%
Some college, no degree 0.0%
Associate's degree 0.0%
Bachelor's degree 0.0%
Graduate / professional 0.0%
Metric%
HS diploma or higher100.0%
Bachelor's or higher0.0%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten00.0%
Elementary school1100.0%
High school00.0%
College / grad school00.0%

Employment

Industry of employment

Occupation

Category%
Management, business & arts0.0%
Service0.0%
Sales & office0.0%
Natural resources & construction0.0%
Production & transportation0.0%

Employment type

Type%
Private sector0.0%
Government0.0%
Self-employed0.0%
Unpaid family workers0.0%

Commute

Method%
Drive alone0.0%
Carpool0.0%
Public transit0.0%
Walk0.0%
Work from home0.0%
Other means0.0%
Avg commute (minutes)0.0

Poverty

All people 100.0%
Under 18 years 0.0%
18 and over 100.0%
Married-couple families 0.0%
Female-led households 0.0%

Income support

Source% of households
Social Security0.0%
Retirement income0.0%
Supplemental Security0.0%
Cash public assistance0.0%
Food stamps / SNAP0.0%

Health indicators

Condition%
Obesity0.0%
High blood pressure0.0%
High cholesterol0.0%
Diabetes0.0%
Heart disease0.0%
Stroke0.0%
Asthma0.0%
Arthritis0.0%
Kidney disease0.0%
Pulmonary disease0.0%
Cancer0.0%
Behavior / access%
Smoking0.0%
Binge drinking0.0%
No physical activity0.0%
Less than 7 hrs sleep0.0%
Depression0.0%
Fair or poor health0.0%
Poor mental health0.0%
Poor physical health0.0%
No health insurance0.0%
Visited doctor (checkup)0.0%
Visited dentist0.0%
Cholesterol screening0.0%
Teeth loss0.0%

Veterans & disability

VeteransCount%
Civilian veterans00.0%
Disability%
Any disability0.0%
Under 180.0%
18–64 years0.0%
65 and over0.0%

Health insurance coverage

Type%
Private insurance25.0%
Public insurance25.0%
No insurance75.0%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only5100.0%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)5100.0%
Born in same state5100.0%
Born in different state360.0%
Foreign born00.0%
Naturalized citizen00.0%
Not a US citizen00.0%

Ancestry

AncestryCount%
Italian120%
AncestryCount%
French120%

Technology access

Metric% of households
Computer access0.0%
Internet access0.0%

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

Frequently asked questions about ZIP code 21705

What city is ZIP code 21705 in?

ZIP code 21705 is primarily assigned to Frederick, Maryland.

What county is ZIP code 21705 in?

ZIP code 21705 falls within Frederick County, Maryland.

What is the poverty rate in ZIP code 21705?

100% of residents in ZIP code 21705 live below the poverty line, above the national average.

What is the population of ZIP code 21705?

ZIP code 21705 has an estimated population of 5 residents, with a density of 208 people per square mile.

What timezone is ZIP code 21705 in?

ZIP code 21705 observes the EST timezone.

Need the complete ZIP code database? Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →