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Frederick County, MD ZIP Codes

Maryland (MD)  ·  31 ZIP codes  ·  26 cities
31
ZIP codes
279,835
population (2021)
+19.9%
pop change since 2010
24021
FIPS code
Frederick County ZIP code map
About Frederick County
Frederick County is located in Maryland and contains 31 ZIP codes across 26 cities and communities. The county's population was 279,835 as of 2021, an increase of 19.9% from 233,385 in 2010. The timezone is Central Time (observes DST). The Federal Information Processing System (FIPS) code for Frederick County is 24021.
Population
2021 population279,835
2010 population233,385
Change+19.9%
County details
StateMaryland
FIPS code24021
TimezoneCentral
Daylight savingYes
Cities in Frederick County
Adamstown Braddock Heights Brunswick Buckeystown Burkittsville Emmitsburg Frederick Ijamsville Jefferson Knoxville Ladiesburg Libertytown Middletown Monrovia Mount Airy Myersville New Market New Midway Point Of Rocks Rocky Ridge Sabillasville Thurmont Tuscarora Unionville Walkersville Woodsboro
ZIP codes for Frederick County, MD (31)
ZIP code City County Map
21701 Frederick Frederick View map
21702 Frederick Frederick View map
21703 Frederick Frederick View map
21704 Frederick Frederick View map
21705 Frederick Frederick View map
21709 Frederick Frederick View map
21710 Adamstown Frederick View map
21714 Braddock Heights Frederick View map
21716 Brunswick Frederick View map
21717 Buckeystown Frederick View map
21718 Burkittsville Frederick View map
21727 Emmitsburg Frederick View map
21754 Ijamsville Frederick View map
21755 Jefferson Frederick View map
21758 Knoxville Frederick View map
21759 Ladiesburg Frederick View map
21762 Libertytown Frederick View map
21769 Middletown Frederick View map
21770 Monrovia Frederick View map
21771 Mount Airy Frederick View map
21773 Myersville Frederick View map
21774 New Market Frederick View map
21775 New Midway Frederick View map
21777 Point Of Rocks Frederick View map
21778 Rocky Ridge Frederick View map
21780 Sabillasville Frederick View map
21788 Thurmont Frederick View map
21790 Tuscarora Frederick View map
21792 Unionville Frederick View map
21793 Walkersville Frederick View map
21798 Woodsboro Frederick View map

Demographics & statistics

286,967
Population
39.4
Median age
$121,334
Median household income
$51,463
Per capita income
$428,078
Median home value
$1,287
Median monthly rent
83.4%
Home ownership
5.3%
Poverty rate
4.3%
Unemployment
85,142
Housing units
40.7%
Bachelor's or higher

Age distribution

Male Female
8,377
Under 5
8,394
9,328
5–9
9,347
9,637
10–14
9,657
9,629
15–19
9,649
8,665
20–24
8,683
17,342
25–34
17,378
19,875
35–44
19,916
19,775
45–54
19,815
10,127
55–59
10,148
9,091
60–64
9,109
12,822
65–74
12,849
6,090
75–84
6,102
2,578
85+
2,584
← Male
Female →

Age summary

GroupCount%
Under 1866,55121.7%
18 and over220,41678.3%
65 and over43,02517.3%
Median age39.4 years

Race & ethnicity

White 69.6%
Black or African American 9.2%
Two or more races 7.9%
Hispanic or Latino 6.3%
Asian 4.5%
Other race 2.1%
American Indian / Alaska Native 0.2%
GroupCount%
White213,38869.6%
Black or African American28,2189.2%
Two or more races24,3377.9%
Hispanic or Latino19,4196.3%
Asian13,8064.5%
Other race6,4492.1%
American Indian / Alaska Native6600.2%

Household income

Under $10k 2.3%
$10k–$15k 1.3%
$15k–$25k 3.1%
$25k–$35k 3.5%
$35k–$50k 6.2%
$50k–$75k 13.2%
$75k–$100k 10.7%
$100k–$150k 21.7%
$150k–$200k 15.5%
$200k+ 22.5%
Range% of households
Under $10k2.3%
$10k–$15k1.3%
$15k–$25k3.1%
$25k–$35k3.5%
$35k–$50k6.2%
$50k–$75k13.2%
$75k–$100k10.7%
$100k–$150k21.7%
$150k–$200k15.5%
$200k+22.5%
Median income$121,334

Housing

Home values

Under $50k 1.3%
$50k–$100k 0.6%
$100k–$150k 1.4%
$150k–$200k 3.8%
$200k–$300k 17.5%
$300k–$500k 41.4%
$500k–$1M 31.3%
$1M+ 2.7%

Housing overview

MetricValue
Median home value$428,078
Median rent / month$1,287
Owner occupied83.4%
Renter occupied16.6%
Vacant4.1%
Single-family detached79.0%
Large apartment buildings2.3%
Mobile homes0.9%
Median rooms7.5
Avg household size (owned)2.80

Year built

Era%
2020 or later1.0%
2010–20199.7%
2000–200915.2%
1990–199917.4%
1980–198913.5%
1970–197912.4%
1960–19696.1%
1950–19594.3%
1940–19492.8%
1939 or earlier17.7%

Bedrooms

Size% of units
No bedroom (studio)0.7%
1 bedroom3.9%
2 bedrooms12.7%
3 bedrooms40.3%
4 bedrooms31.2%
5+ bedrooms11.1%

Vehicles per household

Vehicles% of households
No vehicle3.2%
1 vehicle18.7%
2 vehicles40.8%
3 or more37.3%

Heating fuel

Fuel type%
Utility gas23.3%
Electricity49.5%
Propane / LP gas6.6%
Fuel oil14.9%
Wood4.2%
Solar0.3%
No fuel used0.4%

Households & families

Household typeCount%
Married-couple family59,81861.4%
Cohabiting couple7,0696.7%
Male householder, no spouse14,68211.8%
Female householder, no spouse22,76120.2%
Households with children under 1837,20733.7%
Households with seniors (65+)30,71733.5%
Average household size2.75

Marital status

StatusMaleFemale
Never married30.8%25.3%
Married57.6%54.9%
Separated1.3%1.2%
Widowed2.3%8.1%
Divorced8.0%10.5%

Education

Less than 9th grade 2.5%
Some HS, no diploma 3.9%
HS graduate 26.9%
Some college, no degree 17.6%
Associate's degree 8.3%
Bachelor's degree 22.8%
Graduate / professional 18.0%
Metric%
HS diploma or higher93.6%
Bachelor's or higher40.7%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool4,4775.0%
Kindergarten3,4863.9%
Elementary school29,59740.2%
High school16,39924.7%
College / grad school19,94726.2%

Employment

Industry of employment

Education & healthcare 21.4%
Professional & management 15.3%
Construction 10.2%
Retail trade 9.4%
Public administration 8.8%
Arts, food & hospitality 7.5%
Finance & real estate 6.8%
Manufacturing 5.9%
Other services 5.6%
Transportation & utilities 3.2%
Information 2.1%
Agriculture & mining 1.9%
Wholesale trade 1.8%

Occupation

Category%
Management, business & arts48.8%
Service13.9%
Sales & office18.3%
Natural resources & construction9.6%
Production & transportation9.4%

Employment type

Type%
Private sector74.4%
Government19.8%
Self-employed5.5%
Unpaid family workers0.4%

Commute

Method%
Drive alone71.6%
Carpool7.7%
Public transit1.2%
Walk1.8%
Other means1.1%
Avg commute (minutes)35.5

Poverty

All people 5.3%
Under 18 years 5.5%
18 and over 5.3%
Married-couple families 1.8%
Female-led households 9.7%

Income support

Source% of households
Social Security30.8%
Retirement income27.5%
Supplemental Security2.9%
Cash public assistance1.7%
Food stamps / SNAP5.5%

Health indicators

Condition%
High blood pressure31.0%
High cholesterol34.9%
Heart disease5.3%
Stroke2.4%
Asthma9.6%
Arthritis22.6%
Kidney disease2.4%
Pulmonary disease5.4%
Cancer6.6%
Behavior / access%
Binge drinking16.8%
No physical activity19.2%
Less than 7 hrs sleep31.0%
Fair or poor health10.3%
Poor mental health13.6%
Poor physical health7.9%
No health insurance9.0%
Visited doctor (checkup)75.2%
Visited dentist69.6%
Cholesterol screening92.3%
Teeth loss8.9%

Veterans & disability

VeteransCount%
Civilian veterans16,7987.8%
Disability%
Any disability10.8%
Under 183.8%
18–64 years8.4%
65 and over27.9%

Health insurance coverage

Type%
Private insurance82.8%
Public insurance27.8%
Uninsured under 192.4%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only270,19694.6%
Spanish12,9232.9%
Other Indo-European7,6441.7%
Asian & Pacific Islander1,9810.4%
Other languages2,7140.6%

Place of birth & citizenship

OriginCount%
Native born (US)252,80291.9%
Born in same state248,38290.6%
Born in different state141,36552.9%
Foreign born4,4201.4%
Naturalized citizen34,1658.1%
Not a US citizen19,69859.9%

Ancestry

AncestryCount%
Italian41,60514.5%
French36,42412.7%
Arab13,9104.8%
English2,1300.7%
Polish1,9830.7%
AncestryCount%
Irish1,5290.5%
German9130.3%
Norwegian8060.3%
Dutch5530.2%

Technology access

Metric% of households
Computer access36.1%
Internet access93.9%

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

Explore more Maryland ZIP codes
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