US ZIP Code
21155

Upperco, MD

Baltimore County  ·  Maryland

● Active
👥 3,124 Population ↑ 23% since 2019
💰 $124,219 Median HH Income
▲ 63% above avg ↑ 16% since 2019
🎂 37.1 Median Age ↓ 21% since 2019
🏠 $537,700 Median Home Value
▲ 93% above avg ↑ 44% since 2019
🎓 56.2% College Grads
▲ 45% above avg
📊 1.9% Unemployment
▼ 61% below avg ↓ 50% since 2019
ZIP Code Details
ZIP Code21155
CityUpperco
StateMaryland (MD)
CountyBaltimore County
Area Code410/443/667
Elevation539 ft
Latitude39.573619
Longitude-76.806079
TimezoneNew York (DST)
FIPS24005
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 50.7% (1,585) Female 49.3% (1,539) ♀

Race & Ethnicity

White: 93.8%Hispanic: 1.8%Black: 1.5%Asian: 1.1%Other: 1.7%Race
White93.8%
Hispanic1.8%
Black1.5%
Asian1.1%
Other1.7%

Age Breakdown

Under 5
5%
5–17
20%
18–24
6%
25–44
26%
45–64
23%
65+
9%

Key Indicators

Median Age37.1 yrs ↓ 21% since 2019
Avg Household Size2.98
Below Poverty5.6% ▼ 44% below avg
College Grads56.2% ▲ 45% above avg
Unemployment1.9% ▼ 61% below avg
HS Graduate522 (24.5%)
Some College193 (9.1%)
Associates217 (10.2%)
Bachelors152 (7.1%)
Graduate Degree1,045 (49.1%)

Education

HS Grad: 24.5%Some College: 9.1%Associates: 10.2%Bachelors: 7.1%Graduate: 49.1%Edu
HS Grad24.5%
Some College9.1%
Associates10.2%
Bachelors7.1%
Graduate49.1%
Housing & Income

Housing Tenure

Owner: 82.8%Renter: 17.2%Tenure
Owner82.8%
Renter17.2%

Home Value Distribution

Under $50k
1%
$200k–300k
8%
$300k–500k
34%
Over $500k
57%

Financials

Median HH Income$124,219 ▲ 63% above avg ↑ 16% since 2019
Median Home Value$537,700 ▲ 93% above avg ↑ 44% since 2019
Home/Income Ratio4.3x (nat avg ~3.5x)
Median Rent$1,367/mo ↑ 7% since 2019
Total Units1,098
Vacant Units51
Avg HH Size2.98

Income Distribution

Under $25k
10%
$25k–50k
8%
$50k–75k
11%
$75k–100k
10%
$100k–150k
15%
$150k–200k
12%
Over $200k
35%
Employment & Commute

How People Get to Work

Drove Alone
83%
Walked
1%
Work From Home
16%

Commute Time

Under 15 min
20%
15–30 min
29%
30–45 min
26%
Over 45 min
25%
Housing Stock

Year Built

Before 1940
3%
1940s–1950s
8%
1960s–1970s
15%
1980s–1990s
11%
2000+
62%

Summary

Total Units1,098
Vacant51
Owner Occupied82.8%
Renter Occupied17.2%
Avg HH Size2.98
Frequently Asked Questions
ZIP code 21155 is in Upperco, MD, in Baltimore County.
ZIP code 21155 is located in Maryland (MD).
ZIP code 21155 is in Baltimore County, MD.
ZIP 21155 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 21155 is 3,124 people (ACS 2023).
The median household income in ZIP code 21155 is $124,219 (ACS 2023).
The median home value in ZIP 21155 is $537,700 (ACS 2023).
About ZIP Code 21155

ZIP code 21155 is located in Upperco, Maryland, within Baltimore County. With a population of 3,124, this is a sparsely populated ZIP code with a relatively young community — the median age is 37.1 years. Economically, 21155 is a upper-middle-income ZIP code: the median household income of $124,219 is significantly above the national average.

Real estate in ZIP code 21155 represents a premium housing market. The median home value of $537,700 is significantly above the national average. Renters can expect to pay around $1,367 per month in median rent. Homeownership is strong here — 82.8% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 44% since 2019.

The population of 21155 is primarily White (93.82%). Residents are well-educated — 56.2% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 5.6%. Household income has grown by 16% since 2019.

The unemployment rate in 21155 stands at 1.9%, which is well below the national average. About 16% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 81%.

Overall, ZIP code 21155 in Upperco, MD is characterized as upper-middle-income, well-educated, a relatively young community, and predominantly owner-occupied. With 3,124 residents, a median household income of $124,219, and a median home value of $537,700, it offers a clear picture of life in this part of Maryland.