US ZIP Code
21784

Sykesville, MD

Carroll County  ·  Maryland

● Active
👥 37,813 Population
💰 $141,228 Median HH Income
▲ 85% above avg ↑ 20% since 2019
🎂 39.5 Median Age ↓ 6% since 2019
🏠 $478,200 Median Home Value
▲ 72% above avg ↑ 24% since 2019
🎓 61.6% College Grads
▲ 59% above avg
📊 3.5% Unemployment
▼ 29% below avg ↑ 41% since 2019
ZIP Code Details
ZIP Code21784
CitySykesville
StateMaryland (MD)
CountyCarroll County
Area Code410/443/667
Elevation586 ft
Latitude39.401084
Longitude-76.973736
TimezoneNew York (DST)
FIPS24013
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 49.8% (18,823) Female 50.2% (18,990) ♀

Race & Ethnicity

White: 79.8%Hispanic: 5.8%Black: 5.7%Asian: 4.2%Other: 3.7%Race
White79.8%
Hispanic5.8%
Black5.7%
Asian4.2%
Other3.7%

Age Breakdown

Under 5
6%
5–17
18%
18–24
7%
25–44
26%
45–64
27%
65+
6%

Key Indicators

Median Age39.5 yrs ↓ 6% since 2019
Avg Household Size2.78
Below Poverty4.0% ▼ 60% below avg
College Grads61.6% ▲ 59% above avg
Unemployment3.5% ▼ 29% below avg
No HS Diploma192 (0.8%)
HS Graduate4,479 (18.2%)
Some College2,111 (8.6%)
Associates2,651 (10.8%)
Bachelors2,032 (8.3%)
Graduate Degree13,078 (53.3%)

Education

No HS: 0.8%HS Grad: 18.2%Some College: 8.6%Associates: 10.8%Bachelors: 8.3%Graduate: 53.3%Edu
No HS0.8%
HS Grad18.2%
Some College8.6%
Associates10.8%
Bachelors8.3%
Graduate53.3%
Housing & Income

Housing Tenure

Owner: 87%Renter: 13%Tenure
Owner87.0%
Renter13.0%

Home Value Distribution

Under $50k
1%
$50k–100k
0%
$100k–150k
0%
$150k–200k
1%
$200k–300k
8%
$300k–500k
44%
Over $500k
45%

Financials

Median HH Income$141,228 ▲ 85% above avg ↑ 20% since 2019
Median Home Value$478,200 ▲ 72% above avg ↑ 24% since 2019
Home/Income Ratio3.4x (nat avg ~3.5x)
Median Rent$1,673/mo ↑ 36% since 2019
Total Units13,664
Vacant Units448
Avg HH Size2.78

Income Distribution

Under $25k
6%
$25k–50k
7%
$50k–75k
9%
$75k–100k
10%
$100k–150k
21%
$150k–200k
17%
Over $200k
31%
Employment & Commute

How People Get to Work

Drove Alone
78%
Public Transit
1%
Walked
1%
Work From Home
21%

Commute Time

Under 15 min
17%
15–30 min
20%
30–45 min
29%
Over 45 min
33%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
5%
1960s–1970s
21%
1980s–1990s
18%
2000+
55%

Summary

Total Units13,664
Vacant448
Owner Occupied87.0%
Renter Occupied13.0%
Avg HH Size2.78
Frequently Asked Questions
ZIP code 21784 is in Sykesville, MD, in Carroll County.
ZIP code 21784 is located in Maryland (MD).
ZIP code 21784 is in Carroll County, MD.
ZIP 21784 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 21784 is 37,813 people (ACS 2023).
The median household income in ZIP code 21784 is $141,228 (ACS 2023).
The median home value in ZIP 21784 is $478,200 (ACS 2023).
About ZIP Code 21784

ZIP code 21784 is located in Sykesville, Maryland, within Carroll County. With a population of 37,813, this is a highly populated ZIP code with a middle-aged community — the median age is 39.5 years. Economically, 21784 is a upper-middle-income ZIP code: the median household income of $141,228 is significantly above the national average.

Real estate in ZIP code 21784 represents a premium housing market. The median home value of $478,200 is significantly above the national average. Renters can expect to pay around $1,673 per month in median rent. Homeownership is strong here — 87.0% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 24% since 2019.

The population of 21784 is primarily White (79.79%). Residents are highly educated — 61.6% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 4.0%. Household income has grown by 20% since 2019.

The unemployment rate in 21784 stands at 3.5%, which is below the national average. About 20% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 74%.

Overall, ZIP code 21784 in Sykesville, MD is characterized as upper-middle-income, highly educated, a middle-aged community, and predominantly owner-occupied. With 37,813 residents, a median household income of $141,228, and a median home value of $478,200, it offers a clear picture of life in this part of Maryland.