What city is ZIP code 21794?

ZIP code 21794 is in Sykesville, MD (Howard County).

What county is ZIP code 21794 in?

ZIP code 21794 is mostly in Howard County, Maryland.

How many people live in ZIP code 21794?

About 2,192 people live in the 21794 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 21794

Sykesville, MD, Howard County

Population

2,192

Land area

8.2sq mi

People per sq mi

269

City

Sykesville

ZIP 21794 and nearby ZIP codes

Full map

ZIP 21794 at a glance

ZIP 21794 (Sykesville) is 58% less dense than Maryland as a whole.
Households here earn a median of $231,466 a year, about 2.2 times the Maryland figure of $103,678.
A typical owner-occupied home is valued at $999,400 (about 2.4 times the Maryland figure).

Local data for ZIP 21794

Counts from official public data

Housing and community stats

ZIP 21794, American Community Survey 2020-2024

Full profile

Median household income

$231,466

Poverty rate

2.2%

Median home value

$999,400

Prices -5.6% in a year

Homeownership

99.5%

Bachelor's or higher

66.1%

Median age

43.4

Average commute

33.1 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

ZIP Business Patterns 2023

Employees

413

$28M annual payroll

PPP loans

$5.6M

99 loans

Campaign donations

$28K

42% D, 18% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 21794, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: winter weather

Storm events since 1996

911

Countywide, mostly thunderstorm wind

Flood insurance policies

816

0.8% of homes, county

July high / Jan low

84° / 25°F

47.9 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 21794, CDC PLACES estimates

All 40 measures

Obesity

28.3%

U.S. 33.3% -5.0 pts

Diabetes

9.4%

U.S. 12.1% -2.7 pts

Smoking

6.9%

U.S. 12.8% -5.9 pts

Uninsured (18-64)

4.2%

U.S. 11.1% -6.9 pts

Frequently asked questions

What city is ZIP code 21794?: ZIP code 21794 is in Sykesville, MD (Howard County).
What county is ZIP code 21794 in?: ZIP code 21794 is mostly in Howard County, Maryland.
How many people live in ZIP code 21794?: About 2,192 people live in the 21794 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.