US ZIP Code
21220

Middle River, MD

Baltimore County  ·  Maryland

● Active
👥 42,936 Population ↑ 5% since 2019
💰 $79,676 Median HH Income
≈ Avg ↑ 13% since 2019
🎂 38.0 Median Age
🏠 $279,900 Median Home Value
≈ Avg ↑ 28% since 2019
🎓 36.4% College Grads
≈ Avg
📊 4.1% Unemployment
▼ 17% below avg ↓ 11% since 2019
ZIP Code Details
ZIP Code21220
CityMiddle River
StateMaryland (MD)
CountyBaltimore County
Area Code410/443/667
Elevation20 ft
Latitude39.343079
Longitude-76.390883
TimezoneNew York (DST)
FIPS24005
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 47.7% (20,463) Female 52.3% (22,473) ♀

Race & Ethnicity

White: 56.9%Hispanic: 5.7%Black: 26.7%Asian: 5.1%Other: 5.3%Race
White56.9%
Hispanic5.7%
Black26.7%
Asian5.1%
Other5.3%

Age Breakdown

Under 5
7%
5–17
16%
18–24
9%
25–44
28%
45–64
27%
65+
6%

Key Indicators

Median Age38.0 yrs
Avg Household Size2.64
Below Poverty14.3% ▲ 43% above avg
College Grads36.4% ≈ Avg
Unemployment4.1% ▼ 17% below avg
No HS Diploma835 (3.1%)
HS Graduate9,211 (34.1%)
Some College4,021 (14.9%)
Associates3,118 (11.5%)
Bachelors2,369 (8.8%)
Graduate Degree7,455 (27.6%)

Education

No HS: 3.1%HS Grad: 34.1%Some College: 14.9%Associates: 11.5%Bachelors: 8.8%Graduate: 27.6%Edu
No HS3.1%
HS Grad34.1%
Some College14.9%
Associates11.5%
Bachelors8.8%
Graduate27.6%
Housing & Income

Housing Tenure

Owner: 68.5%Renter: 31.5%Tenure
Owner68.5%
Renter31.5%

Home Value Distribution

Under $50k
7%
$50k–100k
7%
$100k–150k
5%
$150k–200k
10%
$200k–300k
27%
$300k–500k
30%
Over $500k
13%

Financials

Median HH Income$79,676 ≈ Avg ↑ 13% since 2019
Median Home Value$279,900 ≈ Avg ↑ 28% since 2019
Home/Income Ratio3.5x (nat avg ~3.5x)
Median Rent$1,621/mo ↑ 30% since 2019
Total Units17,960
Vacant Units1,740
Avg HH Size2.64

Income Distribution

Under $25k
13%
$25k–50k
16%
$50k–75k
17%
$75k–100k
13%
$100k–150k
20%
$150k–200k
11%
Over $200k
11%
Employment & Commute

How People Get to Work

Drove Alone
85%
Public Transit
3%
Walked
2%
Work From Home
10%

Commute Time

Under 15 min
16%
15–30 min
32%
30–45 min
29%
Over 45 min
23%
Housing Stock

Year Built

Before 1940
7%
1940s–1950s
10%
1960s–1970s
11%
1980s–1990s
15%
2000+
57%

Summary

Total Units17,960
Vacant1,740
Owner Occupied68.5%
Renter Occupied31.5%
Avg HH Size2.64
Frequently Asked Questions
ZIP code 21220 is in Middle River, MD, in Baltimore County.
ZIP code 21220 is located in Maryland (MD).
ZIP code 21220 is in Baltimore County, MD.
ZIP 21220 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 21220 is 42,936 people (ACS 2023).
The median household income in ZIP code 21220 is $79,676 (ACS 2023).
The median home value in ZIP 21220 is $279,900 (ACS 2023).
About ZIP Code 21220

ZIP code 21220 is located in Middle River, Maryland, within Baltimore County. With a population of 42,936, this is a highly populated ZIP code with a middle-aged community — the median age is 38 years. Economically, 21220 is a middle-income ZIP code: the median household income of $79,676 is near the national average.

Real estate in ZIP code 21220 represents a mid-range housing market. The median home value of $279,900 is near the national average. Renters can expect to pay around $1,621 per month in median rent. Homeownership is strong here — 68.5% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 28% since 2019.

The population of 21220 is majority White (56.89%). Residents are moderately educated — 36.4% hold a bachelor's degree or higher, which is near the national average. Poverty affects some residents at 14.3%. Household income has grown by 13% since 2019.

The unemployment rate in 21220 stands at 4.1%, which is below the national average. As in most parts of the country, driving alone is the dominant commute mode at 75%.

Overall, ZIP code 21220 in Middle River, MD is characterized as middle-income, moderately educated, a middle-aged community, and predominantly owner-occupied. With 42,936 residents, a median household income of $79,676, and a median home value of $279,900, it offers a clear picture of life in this part of Maryland.