21757

Name: ZIP code 21757, Maryland
Address: MD, 21757, US

ZIP code 21757 is in Carroll County, Maryland, and crosses into 1 other county. About 2,671 people live here in 1,018 households. The median home value is $466,100 and the median household income $100,500. The average commute takes about 33 minutes.

ZIP code tabulation area · ACS 2020–2024 · Updated October 24, 2026

2,671residentsACS 2020–2024

$100,500median household incomeCarroll County: $118K

$466,100median home valueCarroll County: $434K

90%of households have broadbandhome internet subscription

21757 in MarylandZIP codes coloured by median household income

21757

<$45K$125K+

Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates · U.S. Census Bureau, 2024 Gazetteer and 2020 ZCTA relationship files

People.

2,671 residents in 1,018 households, next to the Carroll County figure.

20%

under 18

25%

aged 18–34

19%

aged 65 and over

21%

of households are people living alone

56%

of households are married couples

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Homes.

1,072 housing units; the median owner-occupied home is valued at $466,100 (±$59,690).

82%

of households own their home

91%

of homes are detached single-family houses

are in buildings with 5 or more units

are mobile homes

of housing units are vacant

$1,408

median gross rent a month

When homes were built

2020 or later1%

2010–20194%

2000–20099%

1990–199915%

1980–19896%

1970–19795%

1960–196912%

1950–19595%

1940–19495%

1939 or earlier38%

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Income and work.

Household income and work, in 2024 dollars; median household income ±$8,372.

$100,500

median household income

1.7%

of people live below the poverty line

3.2%

unemployment rate

30%

of adults 25+ hold a bachelor’s degree or higher

The poverty rate uses the federal poverty thresholds, which vary with family size. It says nothing on its own about what a neighborhood is like to live in.

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Getting around.

How workers aged 16 and over get to work, and how long it takes.

33 min

average commute to work

23%

of commuters travel 45 minutes or more

82%

of workers drive or carpool

take public transportation

walk or bike

14%

work from home

of households have no car

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Internet.

Home internet subscriptions.

90%

of households have a broadband subscription

have no internet access at home

American Community Survey figures are estimates from a rolling sample, averaged over 2020–2024. Each comes with a margin of error, which is wider in places with fewer people.

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Businesses in 21757.

64 business establishments with paid employees have an address in this ZIP code.

Grocery stores and supermarkets0

Convenience stores0

Pharmacies and drug stores0

Retail bakeries0

Full-service restaurants0

Limited-service restaurants0

Coffee shops and snack bars0

Bars0

Physicians’ offices0

Dentists’ offices0

Child care centers0

Gyms and fitness centers0

Movie theaters0

Museums0

Counts are business establishments with paid employees, by the ZIP code of their address. Self-employed people without staff, and public facilities such as libraries, are not included.

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023

Health.

Estimated share of adults in 21757, next to the national figure.

78%

had a routine checkup in the past year

64%

visited a dentist in the past year

of 18–64s have no health insurance

24%

get no leisure-time physical activity

35%

usually sleep less than 7 hours

12%

smoke

37%

have obesity

12%

have diagnosed diabetes

38%

have high blood pressure

17%

report fair or poor general health

16%

report frequent mental distress

31%

often feel lonely

10%

faced food insecurity in the past year

faced housing insecurity in the past year

lacked reliable transportation in the past year

These are model-based estimates for adults from the CDC’s PLACES project, combining national health surveys with local population data. They are not counts of local patients, and small differences between nearby ZIP codes are within the margin of the model.

Source: Centers for Disease Control and Prevention, PLACES 2025 release (ZCTA), public domain

Nearest public schools.

In a straight line from the center of the ZIP code. Attendance zones are set by each school district.

New Midway/Woodsboro ElementaryKeymar2.3 mi

Elmer A. Wolfe ElementaryUnion Bridge4.5 mi

Taneytown ElementaryTaneytown6.1 mi

Northwest MiddleTaneytown6.3 mi

Francis Scott Key HighUnion Bridge6.6 mi

Source: National Center for Education Statistics, EDGE public school locations 2024–25

Nearby ZIP codes.

ZIP codes here are the Census Bureau’s ZIP Code Tabulation Areas, which closely match the postal ZIP codes used for addresses.

Carroll County Maryland