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Maryland ZIP Codes
Frederick County
Frederick, MD
21702
21702 ZIP Code — Frederick, MD
Frederick County, Maryland
ZIP code 21702 is located in
Frederick ,
Maryland ,
within Frederick County .
It covers approximately 41.72 square miles and serves a population of
46,596 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 240/301 .
About ZIP code 21702
The housing stock consists of a mix of housing types. Most homes were built in the 1990s, giving the area an established character. Median home value is $360,800. Owner-occupancy sits near the national average at 64%.
Median household income is $100,449.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 32 minutes is near the national average.
Educational attainment is near the national average, with 40% of residents holding a bachelor's degree or higher.
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Cities in ZIP code 21702
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
46,596
Population density
1,117 / sq mi
State FIPS
24
County FIPS
021
Geography
Land area
41.72 sq mi
Water area
0.11 sq mi
Latitude
39.4959
Longitude
-77.4540
Timezone
Eastern (ET)
Area code
240/301
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
29.1%
22.0%
28.2%
$50k – $100k
27.7%
27.2%
28.2%
$100k – $200k
31.7%
36.5%
30.1%
Over $200k
11.5%
14.3%
13.4%
Demographics & statistics
$100,449
Median household income
$360,800
Median home value
$1,659
Median monthly rent
39.6%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 11,157 23.9%
18 and over 35,439 76.1%
65 and over 6,883 14.8%
Median age 38.1 years
Race & ethnicity
Black or African American
15%
American Indian / Alaska Native
0.2%
Group Count %
White 29,099 55.6%
Black or African American 7,855 15%
Hispanic or Latino 5,741 11%
Two or more races 5,345 10.2%
Asian 2,130 4.1%
Other race 2,084 4%
American Indian / Alaska Native 83 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
29.1%
22.0%
28.2%
$50k – $100k
27.7%
27.2%
28.2%
$100k – $200k
31.7%
36.5%
30.1%
Over $200k
11.5%
14.3%
13.4%
Range % of households
Under $10k 3.7%
$10k–$15k 3.5%
$15k–$25k 3.8%
$25k–$35k 5.0%
$35k–$50k 7.0%
$50k–$75k 16.3%
$75k–$100k 10.4%
$100k–$150k 21.2%
$150k–$200k 10.9%
$200k+ 18.2%
Median income $100,449
Housing
Housing overview
Metric Value
Median home value $360,800
Median rent / month $1,659
Owner occupied 64.0%
Renter occupied 36.0%
Vacant 4.8%
Single-family detached 44.0%
Large apartment buildings 7.0%
Mobile homes 0.1%
Median rooms 6.2
Avg household size (owned) 2.84
Year built
Era %
2020 or later 1.0%
2010–2019 8.8%
2000–2009 16.6%
1990–1999 21.1%
1980–1989 18.2%
1970–1979 14.2%
1960–1969 9.8%
1950–1959 5.2%
1940–1949 1.5%
1939 or earlier 3.5%
Bedrooms
Size % of units
No bedroom (studio) 1.3%
1 bedroom 6.9%
2 bedrooms 24.1%
3 bedrooms 36.5%
4 bedrooms 25.2%
5+ bedrooms 6.0%
Vehicles per household
Vehicles % of households
No vehicle 4.9%
1 vehicle 33.1%
2 vehicles 38.7%
3 or more 23.3%
Heating fuel
Fuel type %
Utility gas 40.9%
Electricity 47.2%
Propane / LP gas 3.1%
Fuel oil 7.6%
Wood 0.7%
Solar 0.2%
No fuel used 0.1%
Households & families
Household type Count %
Married-couple family 8,975 51.5%
Cohabiting couple 1,202 6.9%
Male householder, no spouse 2,787 16.0%
Female householder, no spouse 4,473 25.7%
Households with children under 18 6,673 38.3%
Households with seniors (65+) 4,834 27.7%
Average household size 2.64
Marital status
Status Male Female
Never married 33.9% 30.4%
Married 54.3% 48.4%
Separated 1.0% 1.9%
Widowed 2.6% 7.8%
Divorced 8.2% 11.5%
Education
Some college, no degree
18.9%
Graduate / professional
17.4%
Metric %
HS diploma or higher 89.9%
Bachelor's or higher 39.6%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 807 6.7%
Kindergarten 592 4.9%
Elementary school 5,042 41.6%
High school 2,896 23.9%
College / grad school 2,782 23.0%
Employment
Industry of employment
Education & healthcare
19.5%
Professional & management
17.9%
Arts, food & hospitality
8.4%
Public administration
7.9%
Finance & real estate
7.2%
Transportation & utilities
3.6%
Agriculture & mining
0.7%
Occupation
Category %
Management, business & arts 47.3%
Service 16.6%
Sales & office 19.1%
Natural resources & construction 10.1%
Production & transportation 6.9%
Employment type
Type %
Private sector 77.4%
Government 17.1%
Self-employed 5.3%
Unpaid family workers 0.2%
Commute
Method %
Drive alone 72.7%
Carpool 8.4%
Public transit 1.8%
Walk 1.2%
Work from home 14.8%
Other means 1.1%
Avg commute (minutes) 32.1
Poverty
Married-couple families
2.8%
Female-led households
26.4%
Income support
Source % of households
Social Security 27.0%
Retirement income 24.6%
Supplemental Security 3.7%
Cash public assistance 2.4%
Food stamps / SNAP 11.7%
Health indicators
Condition %
Obesity 32.9%
High blood pressure 31.0%
High cholesterol 33.4%
Diabetes 9.8%
Heart disease 5.1%
Stroke 2.5%
Asthma 9.9%
Arthritis 21.3%
Kidney disease 2.5%
Pulmonary disease 5.1%
Cancer 6.1%
Behavior / access %
Smoking 12.9%
Binge drinking 15.8%
No physical activity 21.0%
Less than 7 hrs sleep 32.4%
Depression 19.0%
Fair or poor health 11.4%
Poor mental health 13.9%
Poor physical health 7.9%
No health insurance 11.4%
Visited doctor (checkup) 75.4%
Visited dentist 66.0%
Cholesterol screening 91.3%
Teeth loss 9.5%
Veterans & disability
Veterans Count %
Civilian veterans 2,853 8.1%
Disability %
Any disability 10.9%
Under 18 4.9%
18–64 years 8.2%
65 and over 33.2%
Health insurance coverage
Type %
Private insurance 72.4%
Public insurance 30.8%
No insurance 8.6%
Uninsured under 19 7.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 44,001 94.4%
Spanish 3,300 7.5%
Other Indo-European 2,183 5.0%
Asian & Pacific Islander 612 1.4%
Other languages 364 0.8%
Place of birth & citizenship
Origin Count %
Native born (US) 37,715 80.9%
Born in same state 36,759 78.9%
Born in different state 19,582 42.0%
Foreign born 956 2.1%
Naturalized citizen 8,881 19.1%
Not a US citizen 4,858 54.7%
Ancestry
Ancestry Count %
Italian 5,332 11.4%
French 3,918 8.4%
Arab 2,125 4.6%
English 271 0.6%
Polish 234 0.5%
Ancestry Count %
Norwegian 181 0.4%
German 172 0.4%
Irish 133 0.3%
Dutch 46 0.1%
Technology access
Metric % of households
Computer access 37.4%
Internet access 94.9%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 21702
What city is ZIP code 21702 in?
ZIP code 21702 is primarily assigned to Frederick, Maryland.
What county is ZIP code 21702 in?
ZIP code 21702 falls within Frederick County, Maryland.
What is the typical home value in ZIP code 21702?
The median home value in ZIP code 21702 is $360,800.
What is the population of ZIP code 21702?
ZIP code 21702 has an estimated population of 46,596 residents, with a density of 1,117 people per square mile.
What is the median household income in ZIP code 21702?
The median household income in ZIP code 21702 is $100,449, above the national median of ~$75,000.
What timezone is ZIP code 21702 in?
ZIP code 21702 observes the EST timezone.
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