US ZIP Code
21001

Aberdeen, MD

Harford County  ·  Maryland

● Active
👥 26,121 Population ↑ 6% since 2019
💰 $81,778 Median HH Income
≈ Avg ↑ 19% since 2019
🎂 37.7 Median Age ↑ 2% since 2019
🏠 $267,400 Median Home Value
≈ Avg ↑ 18% since 2019
🎓 41.0% College Grads
≈ Avg
📊 5.1% Unemployment
≈ Avg ↑ 6% since 2019
ZIP Code Details
ZIP Code21001
CityAberdeen
StateMaryland (MD)
CountyHarford County
Area Code410/443/667
Elevation78 ft
Latitude39.504488
Longitude-76.201049
TimezoneNew York (DST)
FIPS24025
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 48.0% (12,533) Female 52.0% (13,588) ♀

Race & Ethnicity

White: 54%Hispanic: 8.8%Black: 27.9%Asian: 3.1%Other: 4.6%Race
White54.0%
Hispanic8.8%
Black27.9%
Asian3.1%
Other4.6%

Age Breakdown

Under 5
6%
5–17
15%
18–24
8%
25–44
30%
45–64
25%
65+
9%

Key Indicators

Median Age37.7 yrs ↑ 2% since 2019
Avg Household Size2.46
Below Poverty13.7% ▲ 37% above avg
College Grads41.0% ≈ Avg
Unemployment5.1% ≈ Avg
No HS Diploma202 (1.2%)
HS Graduate5,365 (31.4%)
Some College2,187 (12.8%)
Associates2,334 (13.7%)
Bachelors2,010 (11.8%)
Graduate Degree4,995 (29.2%)

Education

No HS: 1.2%HS Grad: 31.4%Some College: 12.8%Associates: 13.7%Bachelors: 11.8%Graduate: 29.2%Edu
No HS1.2%
HS Grad31.4%
Some College12.8%
Associates13.7%
Bachelors11.8%
Graduate29.2%
Housing & Income

Housing Tenure

Owner: 66.2%Renter: 33.8%Tenure
Owner66.2%
Renter33.8%

Home Value Distribution

Under $50k
6%
$50k–100k
3%
$100k–150k
7%
$150k–200k
12%
$200k–300k
35%
$300k–500k
28%
Over $500k
9%

Financials

Median HH Income$81,778 ≈ Avg ↑ 19% since 2019
Median Home Value$267,400 ≈ Avg ↑ 18% since 2019
Home/Income Ratio3.3x (nat avg ~3.5x)
Median Rent$1,391/mo ↑ 29% since 2019
Total Units11,010
Vacant Units429
Avg HH Size2.46

Income Distribution

Under $25k
14%
$25k–50k
14%
$50k–75k
16%
$75k–100k
14%
$100k–150k
21%
$150k–200k
11%
Over $200k
10%
Employment & Commute

How People Get to Work

Drove Alone
87%
Public Transit
1%
Walked
1%
Work From Home
10%

Commute Time

Under 15 min
21%
15–30 min
35%
30–45 min
21%
Over 45 min
23%
Housing Stock

Year Built

Before 1940
4%
1940s–1950s
13%
1960s–1970s
10%
1980s–1990s
13%
2000+
59%

Summary

Total Units11,010
Vacant429
Owner Occupied66.2%
Renter Occupied33.8%
Avg HH Size2.46
Frequently Asked Questions
ZIP code 21001 is in Aberdeen, MD, in Harford County.
ZIP code 21001 is located in Maryland (MD).
ZIP code 21001 is in Harford County, MD.
ZIP 21001 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 21001 is 26,121 people (ACS 2023).
The median household income in ZIP code 21001 is $81,778 (ACS 2023).
The median home value in ZIP 21001 is $267,400 (ACS 2023).
About ZIP Code 21001

ZIP code 21001 is located in Aberdeen, Maryland, within Harford County. With a population of 26,121, this is a moderately populated ZIP code with a relatively young community — the median age is 37.7 years. Economically, 21001 is a middle-income ZIP code: the median household income of $81,778 is near the national average.

Real estate in ZIP code 21001 represents a mid-range housing market. The median home value of $267,400 is near the national average. Renters can expect to pay around $1,391 per month in median rent. Homeownership is strong here — 66.2% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 18% since 2019.

The population of 21001 is majority White (54.02%). Residents are well-educated — 41.0% hold a bachelor's degree or higher, which is near the national average. Poverty affects some residents at 13.7%. Household income has grown by 19% since 2019.

The unemployment rate in 21001 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 78%.

Overall, ZIP code 21001 in Aberdeen, MD is characterized as middle-income, well-educated, a relatively young community, and predominantly owner-occupied. With 26,121 residents, a median household income of $81,778, and a median home value of $267,400, it offers a clear picture of life in this part of Maryland.