US Census Data

ZIP Code 21904

ZIP Code Tabulation Area in Cecil County, Maryland.

Population
6,401
-9.5%’19–’23
Median household income
$84,375
-2.5%’19–’23
Median home value
$318,800
+29.8%’19–’23

ZIP Code 21904 (Cecil County, Maryland) is home to about 6,401 residents. At $84,375, its median household income sits below Cecil County's $91,146.

Between 2019 and 2023, ZIP Code 21904's population declined 9.5% from 7,075 to 6,401, while its median gross rent rose 27.4% from $977 to $1,245.

Owners occupy 84.4% of the area's occupied homes. The median resident is 40.9 years old.

Demographics

ACS 2019–2023
Population
6,401
Median age
40.9 yrs
Median household income
$84,375
Median home value
$318,800
Median gross rent
$1,245
Housing units
2,787
Homeownership rate
84.4%
Bachelor's degree or higher
25.2%
Unemployment rate
5.1%

Trends

ACS 5-year · 2019–2023
Population
7,0756,401
Median household income
$86,528$84,375
Median home value
$245,700$318,800
Median gross rent
$977$1,245
YearPopulationMedian household incomeMedian home valueMedian gross rent
20197,075$86,528$245,700$977
20206,484$92,765$258,600$1,087
20216,386$88,657$260,900$1,106
20225,975$89,797$298,800$1,158
20236,401$84,375$318,800$1,245

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

Age distribution

CountShare
Under 52273.5%
5 to 171,23119.2%
18 to 2466110.3%
25 to 344086.4%
35 to 4490514.1%
45 to 5493214.6%
55 to 641,15118.0%
65 to 745528.6%
75 and over3345.2%

Race & ethnicity

CountShare
White (non-Hispanic)5,36883.9%
Black or African American3555.5%
American Indian & Alaska Native30.0%
Asian110.2%
Native Hawaiian & Pacific Islander00.0%
Some other race30.0%
Two or more races1091.7%
Hispanic or Latino (any race)5528.6%

Educational attainment (age 25+)

CountShare
No high school diploma3658.5%
High school graduate1,61437.7%
Some college or associate's1,22328.6%
Bachelor's degree50811.9%
Graduate or professional degree57213.4%

Commute to work

Mean travel time to work
30 min

How workers get to work

CountShare
Drove alone2,07472.3%
Carpooled2719.4%
Public transit100.3%
Walked1736.0%
Bicycle00.0%
Worked from home2799.7%
Other means632.2%

Travel time

CountShare
Under 15 min37114.3%
15 to 29 min89434.5%
30 to 44 min77830.0%
45 to 59 min2329.0%
60+ min31612.2%

Households

Average household size
2.63
Poverty rate
7.5% (478 of 6,393)
CountShare
Family households1,77073.2%
Nonfamily households64726.8%

Housing

Median year structure built
1990

Occupancy

CountShare
Occupied2,41786.7%
Vacant37013.3%

Tenure (of occupied units)

CountShare
Owner-occupied2,04184.4%
Renter-occupied37615.6%

Units in structure

CountShare
1-unit, detached1,90168.2%
1-unit, attached1073.8%
2 to 4 units1224.4%
5 to 19 units1194.3%
20 or more units401.4%
Mobile home & other49817.9%

Geography

ZCTA
21904
Land area
24 sq mi
Water area
2.53 sq mi
Center point
39.6155, -76.0680

Counties this ZIP covers

1

Compare with nearby ZIP codes

6

National ZIP rankings

21

Nearby ZIP codes

7