What city is ZIP code 21636?

ZIP code 21636 is in Goldsboro, MD (Caroline County).

What county is ZIP code 21636 in?

ZIP code 21636 is mostly in Caroline County, Maryland.

How many people live in ZIP code 21636?

About 1,097 people live in the 21636 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 21636

Goldsboro, MD, Caroline County

Population

1,097

Land area

23.5sq mi

People per sq mi

City

Goldsboro

ZIP 21636 and nearby ZIP codes

Full map

ZIP 21636 at a glance

ZIP 21636 (Goldsboro) is 93% less dense than Maryland as a whole.
The median household income is $73,426, 29% below the Maryland median of $103,678.
A typical owner-occupied home is valued at $320,000 (24% below Maryland) and median rent is $1,655 a month.

Local data for ZIP 21636

Counts from official public data

Housing and community stats

ZIP 21636, American Community Survey 2020-2024

Full profile

Median household income

$73,426

Poverty rate

19.0%

Median home value

$320,000

Median rent

$1,655/mo

Homeownership

86.3%

Bachelor's or higher

8.0%

Median age

44.0

Average commute

36.3 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

ZIP Business Patterns 2023

Employees

102

$6.1M annual payroll

PPP loans

$244K

14 loans

Campaign donations

$781

0% D, 64% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 21636, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: drought

Storm events since 1996

738

Countywide, mostly thunderstorm wind

Flood insurance policies

158

1.1% of homes, county

July high / Jan low

87° / 28°F

47.6 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 21636, CDC PLACES estimates

All 40 measures

Obesity

43.0%

U.S. 33.3% +9.7 pts

Diabetes

15.8%

U.S. 12.1% +3.7 pts

Smoking

20.9%

U.S. 12.8% +8.1 pts

Uninsured (18-64)

13.2%

U.S. 11.1% +2.1 pts

Frequently asked questions

What city is ZIP code 21636?: ZIP code 21636 is in Goldsboro, MD (Caroline County).
What county is ZIP code 21636 in?: ZIP code 21636 is mostly in Caroline County, Maryland.
How many people live in ZIP code 21636?: About 1,097 people live in the 21636 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.