US ZIP Code
21043

Ellicott City, MD

Howard County  ·  Maryland

● Active
👥 47,134 Population
💰 $141,846 Median HH Income
▲ 86% above avg ↑ 15% since 2019
🎂 39.4 Median Age ↑ 5% since 2019
🏠 $607,300 Median Home Value
▲ 118% above avg ↑ 27% since 2019
🎓 69.9% College Grads
▲ 80% above avg
📊 3.3% Unemployment
▼ 33% below avg ↑ 15% since 2019
ZIP Code Details
ZIP Code21043
CityEllicott City
StateMaryland (MD)
CountyHoward County
Area Code410/443/667
Elevation391 ft
Latitude39.255836
Longitude-76.801491
TimezoneNew York (DST)
FIPS24027
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 49.7% (23,402) Female 50.4% (23,732) ♀

Race & Ethnicity

White: 48.7%Hispanic: 6.2%Black: 12.1%Asian: 25.4%Other: 7%Race
White48.7%
Hispanic6.2%
Black12.1%
Asian25.4%
Other7.0%

Age Breakdown

Under 5
5%
5–17
20%
18–24
8%
25–44
27%
45–64
26%
65+
7%

Key Indicators

Median Age39.4 yrs ↑ 5% since 2019
Avg Household Size2.71
Below Poverty3.9% ▼ 61% below avg
College Grads69.9% ▲ 80% above avg
Unemployment3.3% ▼ 33% below avg
No HS Diploma686 (2.3%)
HS Graduate4,033 (13.8%)
Some College1,542 (5.3%)
Associates2,563 (8.7%)
Bachelors1,846 (6.3%)
Graduate Degree18,625 (63.6%)

Education

No HS: 2.3%HS Grad: 13.8%Some College: 5.3%Associates: 8.7%Bachelors: 6.3%Graduate: 63.6%Edu
No HS2.3%
HS Grad13.8%
Some College5.3%
Associates8.7%
Bachelors6.3%
Graduate63.6%
Housing & Income

Housing Tenure

Owner: 67.3%Renter: 32.7%Tenure
Owner67.3%
Renter32.7%

Home Value Distribution

Under $50k
1%
$50k–100k
0%
$100k–150k
0%
$150k–200k
0%
$200k–300k
8%
$300k–500k
22%
Over $500k
68%

Financials

Median HH Income$141,846 ▲ 86% above avg ↑ 15% since 2019
Median Home Value$607,300 ▲ 118% above avg ↑ 27% since 2019
Home/Income Ratio4.3x (nat avg ~3.5x)
Median Rent$1,964/mo ↑ 19% since 2019
Total Units17,978
Vacant Units732
Avg HH Size2.71

Income Distribution

Under $25k
7%
$25k–50k
8%
$50k–75k
10%
$75k–100k
10%
$100k–150k
16%
$150k–200k
16%
Over $200k
33%
Employment & Commute

How People Get to Work

Drove Alone
73%
Public Transit
1%
Walked
1%
Work From Home
25%

Commute Time

Under 15 min
17%
15–30 min
40%
30–45 min
23%
Over 45 min
20%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
6%
1960s–1970s
10%
1980s–1990s
25%
2000+
59%

Summary

Total Units17,978
Vacant732
Owner Occupied67.3%
Renter Occupied32.7%
Avg HH Size2.71
Frequently Asked Questions
ZIP code 21043 is in Ellicott City, MD, in Howard County.
ZIP code 21043 is located in Maryland (MD).
ZIP code 21043 is in Howard County, MD.
ZIP 21043 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 21043 is 47,134 people (ACS 2023).
The median household income in ZIP code 21043 is $141,846 (ACS 2023).
The median home value in ZIP 21043 is $607,300 (ACS 2023).
About ZIP Code 21043

ZIP code 21043 is located in Ellicott City, Maryland, within Howard County. With a population of 47,134, this is a highly populated ZIP code with a middle-aged community — the median age is 39.4 years. Economically, 21043 is a upper-middle-income ZIP code: the median household income of $141,846 is significantly above the national average.

Real estate in ZIP code 21043 represents a premium housing market. The median home value of $607,300 is more than double the national average. Renters can expect to pay around $1,964 per month in median rent. Homeownership is strong here — 67.3% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 27% since 2019.

The population of 21043 is racially diverse, with White as the largest group at 48.7%. Residents are highly educated — 69.9% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 3.9%. Household income has grown by 15% since 2019.

The unemployment rate in 21043 stands at 3.3%, which is below the national average. About 23% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 68%.

Overall, ZIP code 21043 in Ellicott City, MD is characterized as upper-middle-income, highly educated, a middle-aged community, and predominantly owner-occupied. With 47,134 residents, a median household income of $141,846, and a median home value of $607,300, it offers a clear picture of life in this part of Maryland.