US Census Data

ZIP Code 21755

ZIP Code Tabulation Area in Frederick County, Maryland.

Population
5,740
+2.4%’19–’23
Median household income
$134,677
+23.4%’19–’23
Median home value
$493,700
+35.2%’19–’23

ZIP Code 21755 (Frederick County, Maryland) is home to about 5,740 residents. At $134,677, its median household income sits above Frederick County's $120,458.

Between 2019 and 2023, ZIP Code 21755's population grew 2.4% from 5,603 to 5,740, while its median gross rent rose 12.7% from $1,125 to $1,268.

White (non-Hispanic) residents are the largest group, 75.5% of the population. 72.2% of workers drive to work alone.

Demographics

ACS 2019–2023
Population
5,740
Median age
44.1 yrs
Median household income
$134,677
Median home value
$493,700
Median gross rent
$1,268
Housing units
2,200
Homeownership rate
84.8%
Bachelor's degree or higher
42.2%
Unemployment rate
3.6%

Trends

ACS 5-year · 2019–2023
Population
5,6035,740
Median household income
$109,125$134,677
Median home value
$365,200$493,700
Median gross rent
$1,125$1,268
YearPopulationMedian household incomeMedian home valueMedian gross rent
20195,603$109,125$365,200$1,125
20205,745$112,000$385,400$1,150
20215,697$113,631$404,800$991
20225,706$129,085$463,400$1,133
20235,740$134,677$493,700$1,268

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

Age distribution

CountShare
Under 52915.1%
5 to 1789015.5%
18 to 244708.2%
25 to 345639.8%
35 to 4470512.3%
45 to 5458210.1%
55 to 641,15920.2%
65 to 7466011.5%
75 and over4207.3%

Race & ethnicity

CountShare
White (non-Hispanic)4,33575.5%
Black or African American2213.9%
American Indian & Alaska Native00.0%
Asian1292.2%
Native Hawaiian & Pacific Islander00.0%
Some other race00.0%
Two or more races1192.1%
Hispanic or Latino (any race)93616.3%

Educational attainment (age 25+)

CountShare
No high school diploma2245.5%
High school graduate1,12927.6%
Some college or associate's1,01124.7%
Bachelor's degree89721.9%
Graduate or professional degree82820.2%

Commute to work

Mean travel time to work
30 min

How workers get to work

CountShare
Drove alone2,11572.2%
Carpooled1334.5%
Public transit281.0%
Walked311.1%
Bicycle00.0%
Worked from home56819.4%
Other means551.9%

Travel time

CountShare
Under 15 min41517.6%
15 to 29 min96140.7%
30 to 44 min32713.8%
45 to 59 min25710.9%
60+ min40217.0%

Households

Average household size
2.72
Poverty rate
8.1% (465 of 5,724)
CountShare
Family households1,55573.8%
Nonfamily households55126.2%

Housing

Median year structure built
1989

Occupancy

CountShare
Occupied2,10695.7%
Vacant944.3%

Tenure (of occupied units)

CountShare
Owner-occupied1,78684.8%
Renter-occupied32015.2%

Units in structure

CountShare
1-unit, detached1,87485.2%
1-unit, attached773.5%
2 to 4 units411.9%
5 to 19 units1074.9%
20 or more units140.6%
Mobile home & other874.0%

Geography

ZCTA
21755
Land area
34 sq mi
Water area
0.62 sq mi
Center point
39.3597, -77.5681

Counties this ZIP covers

2

Compare with nearby ZIP codes

6

National ZIP rankings

21

Nearby ZIP codes

7