What city is ZIP code 21643?

ZIP code 21643 is in Hurlock, MD (Dorchester County).

What county is ZIP code 21643 in?

ZIP code 21643 is mostly in Dorchester County, Maryland.

How many people live in ZIP code 21643?

About 5,392 people live in the 21643 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 21643

Hurlock, MD, Dorchester County

Population

5,392

Land area

46.2sq mi

People per sq mi

117

City

Hurlock

ZIP 21643 and nearby ZIP codes

Full map

ZIP 21643 at a glance

ZIP 21643 (Hurlock) is 82% less dense than Maryland as a whole.
The median household income is $67,219, 35% below the Maryland median of $103,678.
A typical owner-occupied home is valued at $230,000 (45% below Maryland) and median rent is $909 a month.

Local data for ZIP 21643

Counts from official public data

Housing and community stats

ZIP 21643, American Community Survey 2020-2024

Full profile

Median household income

$67,219

Poverty rate

14.7%

Median home value

$230,000

Prices 0.0% in a year

Median rent

$909/mo

Homeownership

81.4%

Bachelor's or higher

14.0%

Median age

39.8

Average commute

29.3 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

ZIP Business Patterns 2023

Employees

2,372

$117M annual payroll

PPP loans

$8.8M

150 loans

Campaign donations

$4,149

1% D, 49% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 21643, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: coastal flooding

Storm events since 1996

430

Countywide, mostly thunderstorm wind

Flood insurance policies

1,382

8.8% of homes, county

July high / Jan low

90° / 28°F

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 21643, CDC PLACES estimates

All 40 measures

Obesity

43.5%

U.S. 33.3% +10.2 pts

Diabetes

16.8%

U.S. 12.1% +4.7 pts

Smoking

18.2%

U.S. 12.8% +5.4 pts

Uninsured (18-64)

10.5%

U.S. 11.1% -0.6 pts

Frequently asked questions

What city is ZIP code 21643?: ZIP code 21643 is in Hurlock, MD (Dorchester County).
What county is ZIP code 21643 in?: ZIP code 21643 is mostly in Dorchester County, Maryland.
How many people live in ZIP code 21643?: About 5,392 people live in the 21643 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.