What city is ZIP code 21912?

ZIP code 21912 is in Cecilton, MD (Cecil County).

What county is ZIP code 21912 in?

ZIP code 21912 is mostly in Cecil County, Maryland.

How many people live in ZIP code 21912?

About 1,536 people live in the 21912 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 21912

Cecilton, MD, Cecil County

Population

1,536

Land area

33.9sq mi

People per sq mi

City

Cecilton

ZIP 21912 and nearby ZIP codes

Full map

ZIP 21912 at a glance

ZIP 21912 (Cecilton) is 93% less dense than Maryland as a whole.
Households here earn a median of $69,868 a year, 33% less than the Maryland figure of $103,678.
A typical owner-occupied home is valued at $391,700 (7% below Maryland) and median rent is $817 a month.

Local data for ZIP 21912

Counts from official public data

Housing and community stats

ZIP 21912, American Community Survey 2020-2024

Full profile

Median household income

$69,868

Poverty rate

3.5%

Median home value

$391,700

Median rent

$817/mo

Homeownership

87.1%

Bachelor's or higher

25.3%

Median age

58.2

Average commute

30.8 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

ZIP Business Patterns 2023

Employees

$2.6M annual payroll

PPP loans

$424K

22 loans

Campaign donations

$2,392

8% D, 12% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 21912, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: drought

Storm events since 1996

1,010

Countywide, mostly thunderstorm wind

Flood insurance policies

533

1.4% of homes, county

July high / Jan low

89° / 25°F

47.0 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 21912, CDC PLACES estimates

All 40 measures

Obesity

41.0%

U.S. 33.3% +7.7 pts

Diabetes

13.8%

U.S. 12.1% +1.7 pts

Smoking

14.9%

U.S. 12.8% +2.1 pts

Uninsured (18-64)

9.0%

U.S. 11.1% -2.1 pts

Frequently asked questions

What city is ZIP code 21912?: ZIP code 21912 is in Cecilton, MD (Cecil County).
What county is ZIP code 21912 in?: ZIP code 21912 is mostly in Cecil County, Maryland.
How many people live in ZIP code 21912?: About 1,536 people live in the 21912 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.