US Census Data

ZIP Code 21778

ZIP Code Tabulation Area in Frederick County, Maryland.

Population
840
-7.6%’19–’23
Median household income
$110,489
+48.6%’19–’23
Median home value
$415,700
+41.0%’19–’23

ZIP Code 21778 is a ZIP Code Tabulation Area in Frederick County, Maryland, home to about 840 residents. Its median household income of $110,489 runs below the Frederick County figure of $120,458.

From 2019 to 2023, ZIP Code 21778's population declined 7.6% from 909 to 840, while its median household income rose 48.6% from $74,375 to $110,489.

0.0% of residents live below the poverty line. Households average 2.54 people.

Demographics

ACS 2019–2023
Population
840
Median age
51.8 yrs
Median household income
$110,489
Median home value
$415,700
Median gross rent
Housing units
363
Homeownership rate
95.2%
Bachelor's degree or higher
23.1%
Unemployment rate
0.0%

Trends

ACS 5-year · 2019–2023
Population
909840
Median household income
$74,375$110,489
Median home value
$294,900$415,700
YearPopulationMedian household incomeMedian home valueMedian gross rent
2019909$74,375$294,900$1,280
2020930$54,531$248,000
2021681$54,706$288,500
2022880$76,063$373,100
2023840$110,489$415,700

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 5617.3%
5 to 17829.8%
18 to 2410312.3%
25 to 34151.8%
35 to 44526.2%
45 to 5415618.6%
55 to 6413115.6%
65 to 7414116.8%
75 and over9911.8%

Race & ethnicity

CountShare
White (non-Hispanic)840100.0%
Black or African American00.0%
American Indian & Alaska Native00.0%
Asian00.0%
Native Hawaiian & Pacific Islander00.0%
Some other race00.0%
Two or more races00.0%
Hispanic or Latino (any race)00.0%

Educational attainment (age 25+)

CountShare
No high school diploma366.1%
High school graduate21235.7%
Some college or associate's20935.2%
Bachelor's degree325.4%
Graduate or professional degree10517.7%

Commute to work

Mean travel time to work
30 min

How workers get to work

CountShare
Drove alone20958.2%
Carpooled8824.5%
Public transit00.0%
Walked00.0%
Bicycle00.0%
Worked from home6217.3%
Other means00.0%

Travel time

CountShare
Under 15 min8327.9%
15 to 29 min10234.3%
30 to 44 min4113.8%
45 to 59 min113.7%
60+ min6020.2%

Households

Average household size
2.54
Poverty rate
0.0% (0 of 840)
CountShare
Family households20963.1%
Nonfamily households12236.9%

Housing

Median year structure built
1970

Occupancy

CountShare
Occupied33191.2%
Vacant328.8%

Tenure (of occupied units)

CountShare
Owner-occupied31595.2%
Renter-occupied164.8%

Units in structure

CountShare
1-unit, detached33792.8%
1-unit, attached236.3%
2 to 4 units00.0%
5 to 19 units00.0%
20 or more units00.0%
Mobile home & other30.8%

Geography

ZCTA
21778
Land area
18 sq mi
Water area
0.37 sq mi
Center point
39.6158, -77.3284

Counties this ZIP covers

1

Compare with nearby ZIP codes

6

National ZIP rankings

21

Nearby ZIP codes

15