US ZIP Code
21111

Monkton, MD

Baltimore County  ·  Maryland

● Active
👥 4,690 Population ↓ 13% since 2019
💰 $135,781 Median HH Income
▲ 78% above avg ↑ 2% since 2019
🎂 48.6 Median Age ↑ 10% since 2019
🏠 $585,400 Median Home Value
▲ 110% above avg ↑ 13% since 2019
🎓 73.2% College Grads
▲ 89% above avg
📊 8.1% Unemployment
▲ 66% above avg ↑ 367% since 2019
ZIP Code Details
ZIP Code21111
CityMonkton
StateMaryland (MD)
CountyBaltimore County
Area Code667
Elevation487 ft
Latitude39.575535
Longitude-76.589691
TimezoneNew York (DST)
FIPS24005
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 52.0% (2,439) Female 48.0% (2,251) ♀

Race & Ethnicity

White: 95%Hispanic: 1.2%Black: 0.9%Asian: 0.5%Other: 2.1%Race
White95.0%
Hispanic1.2%
Black0.9%
Asian0.5%
Other2.1%

Age Breakdown

Under 5
7%
5–17
16%
18–24
3%
25–44
18%
45–64
33%
65+
11%

Key Indicators

Median Age48.6 yrs ↑ 10% since 2019
Avg Household Size2.53
Below Poverty6.7% ▼ 33% below avg
College Grads73.2% ▲ 89% above avg
Unemployment8.1% ▲ 66% above avg
HS Graduate295 (8.7%)
Some College122 (3.6%)
Associates492 (14.5%)
Bachelors323 (9.5%)
Graduate Degree2,158 (63.7%)

Education

HS Grad: 8.7%Some College: 3.6%Associates: 14.5%Bachelors: 9.5%Graduate: 63.7%Edu
HS Grad8.7%
Some College3.6%
Associates14.5%
Bachelors9.5%
Graduate63.7%
Housing & Income

Housing Tenure

Owner: 95.8%Renter: 4.3%Tenure
Owner95.8%
Renter4.3%

Home Value Distribution

Under $50k
2%
$50k–100k
1%
$100k–150k
1%
$150k–200k
1%
$200k–300k
4%
$300k–500k
31%
Over $500k
61%

Financials

Median HH Income$135,781 ▲ 78% above avg ↑ 2% since 2019
Median Home Value$585,400 ▲ 110% above avg ↑ 13% since 2019
Home/Income Ratio4.3x (nat avg ~3.5x)
Median Rent$1,458/mo ↓ 13% since 2019
Total Units1,902
Vacant Units45
Avg HH Size2.53

Income Distribution

Under $25k
4%
$25k–50k
6%
$50k–75k
9%
$75k–100k
18%
$100k–150k
17%
$150k–200k
13%
Over $200k
32%
Employment & Commute

How People Get to Work

Drove Alone
77%
Walked
0%
Work From Home
23%

Commute Time

Under 15 min
16%
15–30 min
37%
30–45 min
23%
Over 45 min
24%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
8%
1960s–1970s
18%
1980s–1990s
18%
2000+
54%

Summary

Total Units1,902
Vacant45
Owner Occupied95.8%
Renter Occupied4.3%
Avg HH Size2.53
Frequently Asked Questions
ZIP code 21111 is in Monkton, MD, in Baltimore County.
ZIP code 21111 is located in Maryland (MD).
ZIP code 21111 is in Baltimore County, MD.
ZIP 21111 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 21111 is 4,690 people (ACS 2023).
The median household income in ZIP code 21111 is $135,781 (ACS 2023).
The median home value in ZIP 21111 is $585,400 (ACS 2023).
About ZIP Code 21111

ZIP code 21111 is located in Monkton, Maryland, within Baltimore County. With a population of 4,690, this is a lightly populated ZIP code with a mature community — the median age is 48.6 years. Economically, 21111 is a upper-middle-income ZIP code: the median household income of $135,781 is significantly above the national average.

Real estate in ZIP code 21111 represents a premium housing market. The median home value of $585,400 is more than double the national average. Renters can expect to pay around $1,458 per month in median rent. Homeownership is strong here — 95.8% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 13% since 2019.

The population of 21111 is primarily White (94.97%). Residents are highly educated — 73.2% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 6.7%. Household income has grown by 2% since 2019.

The unemployment rate in 21111 stands at 8.1%, which is significantly above the national average. About 22% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 73%.

Overall, ZIP code 21111 in Monkton, MD is characterized as upper-middle-income, highly educated, a mature community, and predominantly owner-occupied. With 4,690 residents, a median household income of $135,781, and a median home value of $585,400, it offers a clear picture of life in this part of Maryland.