US ZIP Code
21904

Port Deposit, MD

Cecil County  ·  Maryland

● Active
👥 6,401 Population ↓ 10% since 2019
💰 $84,375 Median HH Income
▲ 11% above avg ↓ 2% since 2019
🎂 40.9 Median Age ↓ 4% since 2019
🏠 $318,800 Median Home Value
▲ 14% above avg ↑ 30% since 2019
🎓 27.6% College Grads
▼ 29% below avg
📊 5.1% Unemployment
≈ Avg ↓ 31% since 2019
ZIP Code Details
ZIP Code21904
CityPort Deposit
StateMaryland (MD)
CountyCecil County
Area Code410/443/667
Elevation463 ft
Latitude39.61549
Longitude-76.067988
TimezoneNew York (DST)
FIPS24015
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 51.2% (3,277) Female 48.8% (3,124) ♀

Race & Ethnicity

White: 83.9%Hispanic: 8.6%Black: 5.6%Asian: 0.2%Other: 1.7%Race
White83.9%
Hispanic8.6%
Black5.6%
Asian0.2%
Other1.7%

Age Breakdown

Under 5
4%
5–17
19%
18–24
10%
25–44
21%
45–64
33%
65+
6%

Key Indicators

Median Age40.9 yrs ↓ 4% since 2019
Avg Household Size2.63
Below Poverty7.5% ▼ 25% below avg
College Grads27.6% ▼ 29% below avg
Unemployment5.1% ≈ Avg
No HS Diploma40 (1%)
HS Graduate1,549 (38.5%)
Some College751 (18.6%)
Associates577 (14.3%)
Bachelors121 (3%)
Graduate Degree989 (24.6%)

Education

No HS: 1%HS Grad: 38.5%Some College: 18.6%Associates: 14.3%Bachelors: 3%Graduate: 24.6%Edu
No HS1.0%
HS Grad38.5%
Some College18.6%
Associates14.3%
Bachelors3.0%
Graduate24.6%
Housing & Income

Housing Tenure

Owner: 84.4%Renter: 15.6%Tenure
Owner84.4%
Renter15.6%

Home Value Distribution

Under $50k
7%
$50k–100k
7%
$100k–150k
1%
$150k–200k
4%
$200k–300k
26%
$300k–500k
37%
Over $500k
17%

Financials

Median HH Income$84,375 ▲ 11% above avg ↓ 2% since 2019
Median Home Value$318,800 ▲ 14% above avg ↑ 30% since 2019
Home/Income Ratio3.8x (nat avg ~3.5x)
Median Rent$1,245/mo ↑ 27% since 2019
Total Units2,787
Vacant Units370
Avg HH Size2.63

Income Distribution

Under $25k
11%
$25k–50k
13%
$50k–75k
22%
$75k–100k
8%
$100k–150k
22%
$150k–200k
12%
Over $200k
11%
Employment & Commute

How People Get to Work

Drove Alone
82%
Public Transit
0%
Walked
7%
Work From Home
11%

Commute Time

Under 15 min
14%
15–30 min
35%
30–45 min
30%
Over 45 min
21%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
6%
1960s–1970s
11%
1980s–1990s
26%
2000+
57%

Summary

Total Units2,787
Vacant370
Owner Occupied84.4%
Renter Occupied15.6%
Avg HH Size2.63
Frequently Asked Questions
ZIP code 21904 is in Port Deposit, MD, in Cecil County.
ZIP code 21904 is located in Maryland (MD).
ZIP code 21904 is in Cecil County, MD.
ZIP 21904 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 21904 is 6,401 people (ACS 2023).
The median household income in ZIP code 21904 is $84,375 (ACS 2023).
The median home value in ZIP 21904 is $318,800 (ACS 2023).
About ZIP Code 21904

ZIP code 21904 is located in Port Deposit, Maryland, within Cecil County. With a population of 6,401, this is a lightly populated ZIP code with a middle-aged community — the median age is 40.9 years. Economically, 21904 is a middle-income ZIP code: the median household income of $84,375 is near the national average.

Real estate in ZIP code 21904 represents a mid-range housing market. The median home value of $318,800 is near the national average. Renters can expect to pay around $1,245 per month in median rent. Homeownership is strong here — 84.4% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 30% since 2019.

The population of 21904 is primarily White (83.86%). Residents are moderately educated — 27.6% hold a bachelor's degree or higher, which is below the national average. Poverty affects a relatively small share of residents at 7.5%. Household income has declined by 2% since 2019.

The unemployment rate in 21904 stands at 5.1%, which is near the national average. As in most parts of the country, driving alone is the dominant commute mode at 72%.

Overall, ZIP code 21904 in Port Deposit, MD is characterized as middle-income, moderately educated, a middle-aged community, and predominantly owner-occupied. With 6,401 residents, a median household income of $84,375, and a median home value of $318,800, it offers a clear picture of life in this part of Maryland.