ZIP Code Tabulation Area · Maryland

ZIP Code 21911: Cecil County, MD

ZIP Code 21911 (Cecil County, Maryland) has an estimated 10,551 residents in 3,953 households. The median household income is $104,673, the median home value is $359,000 and the median gross rent is $1,218/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Total population

10,551

Margin of error ±960

Median household income

$104,673

Margin of error ±$10,724

Median home value

$359,000

Margin of error ±$26,710

Median gross rent

$1,218/mo

Margin of error ±$178

Median age

41.9 yrs

Margin of error ±3.9 yrs

Mean travel time to work

28.5 min

Margin of error ±5.8 min

How ZIP 21911 compares with Maryland and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 2191141.9 yrsMaryland39.4 yrsUnited States38.9 yrs

Median household income

ZIP 21911$104,673Maryland$103,678United States$80,734

Per capita income

ZIP 21911$42,200Maryland$52,979United States$44,673

Poverty rate

ZIP 219115.8%Maryland9.4%United States12.5%

Unemployment rate

ZIP 219115.9%Maryland4.9%United States5.2%

Bachelor's degree or higher

ZIP 2191125.2%Maryland43.4%United States35.7%

Median home value

ZIP 21911$359,000Maryland$419,900United States$332,700

Median gross rent

ZIP 21911$1,218/moMaryland$1,705/moUnited States$1,413/mo

Owner-occupied homes

ZIP 2191180.5%Maryland67.6%United States65.2%

Mean travel time to work

ZIP 2191128.5 minMaryland31.1 minUnited States26.4 min

Worked from home

ZIP 2191110.2%Maryland19.3%United States15.1%

All figures for ZIP 21911

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 21911 — ACS 2020–2024 5-year estimates
Measure	ZIP 21911	Margin of error	Maryland	United States
Total population	10,551	±960	6,206,011	334,922,499
Median age	41.9 yrs	±3.9 yrs	39.4 yrs	38.9 yrs
Households	3,953	±361	2,362,928	129,227,496
Median household income	$104,673	±$10,724	$103,678	$80,734
Per capita income	$42,200	±$2,448	$52,979	$44,673
Poverty rate	5.8%	±1.9 pts	9.4%	12.5%
Unemployment rate	5.9%	±2.9 pts	4.9%	5.2%
Bachelor's degree or higher	25.2%	±3.5 pts	43.4%	35.7%
Median home value	$359,000	±$26,710	$419,900	$332,700
Median gross rent	$1,218/mo	±$178	$1,705/mo	$1,413/mo
Owner-occupied homes	80.5%	±5.3 pts	67.6%	65.2%
Mean travel time to work	28.5 min	±5.8 min	31.1 min	26.4 min
Worked from home	10.2%	±4.7 pts	19.3%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 21911
Group	ZIP 21911	Maryland	United States
White alone, not Hispanic or Latino	85.4%	46.6%	57.4%
Black or African American alone, not Hispanic or Latino	1.2%	28.9%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.1%	0.1%	0.5%
Asian alone, not Hispanic or Latino	3.6%	6.5%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.0%	0.2%
Some other race alone, not Hispanic or Latino	0.3%	0.7%	0.6%
Two or more races, not Hispanic or Latino	2.9%	4.6%	4.3%
Hispanic or Latino (of any race)	6.5%	12.5%	19.3%

Where ZIP 21911 is

State: Maryland
Main county: Cecil County
Largest overlapping place: Rising Sun (4% of the ZIP's land area)
Land area: 37.44 sq mi· about 282 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Cecil County

21901 Cecil County, MD 21902 Cecil County, MD 21903 Cecil County, MD 21904 Cecil County, MD 21912 Cecil County, MD 21913 Cecilton, MD 21914 Charlestown, MD 21915 Cecil County, MD 21917 Cecil County, MD 21918 Cecil County, MD 21919 Cecil County, MD 21920 Cecil County, MD 21921 Cecil County, MD 21930 Cecil County, MD

See every ZIP code in Maryland, or compare ZIP 21911 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.