21911 ZIP Code — Rising Sun, MD

Cecil County, Maryland

ZIP code 21911 is located in Rising Sun, Maryland, within Cecil County. It covers approximately 37.44 square miles and serves a population of 10,804 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 410.

About ZIP code 21911

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $295,000. Owner-occupancy is high at 80%, well above the national average.

Median household income is $88,583. The poverty rate of 4% is below the national average. 33% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 30 minutes is near the national average.

Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.

Overall, ZIP code 21911 reflects a community defined by high homeownership and a significant Social Security-dependent population.

10,804

population

37.44

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21911 ZIP code map

Cities in ZIP code 21911

Below are the cities the US Postal Service accepts for ZIP code 21911. Using any city not on this list may result in mail delivery delays.

City	Status
Rising Sun	Preferred

Nearby ZIP codes

21917 Colora (2.9 mi) 21904 Port Deposit (3.2 mi) 19362 Nottingham (6 mi) 21918 Conowingo (6.5 mi) 21903 Perryville (6.8 mi) 21901 North East (8.4 mi) 21034 Darlington (9 mi) 19363 Oxford (9.1 mi) 21078 Havre De Grace (9.7 mi) 21921 Elkton (10.3 mi) 17563 Peach Bottom (10.3 mi) 19352 Lincoln University (11.4 mi)

Demographics updated 05/2026

Population
Total population	10,804
Population density	289 / sq mi
State FIPS	24
County FIPS	015

Geography
Land area	37.44 sq mi
Water area	0.27 sq mi
Latitude	39.6713
Longitude	-76.0476
Timezone	Eastern (ET)
Area code	410

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	31.7%	31.4%	28.2%
$50k – $100k	29.4%	31.8%	28.2%
$100k – $200k	32.1%	29.7%	30.1%
Over $200k	6.8%	7.1%	13.4%

Demographics & statistics

10,804

Population

289

People per sq mi

42.4

Median age

$88,583

Median household income

$36,608

Per capita income

$295,000

Median home value

$1,172

Median monthly rent

79.6%

Home ownership

4.1%

Poverty rate

5.6%

Unemployment

3,381

Housing units

21.6%

Bachelor's or higher

Age distribution

Male Female

236

Under 5

227

406

5–9

389

444

10–14

425

342

15–19

328

302

20–24

290

663

25–34

635

631

35–44

605

844

45–54

809

292

55–59

279

502

60–64

481

517

65–74

495

218

75–84

209

120

85+

115

← Male

Female →

Age summary

Group	Count	%
Under 18	2,543	23.5%
18 and over	8,261	76.5%
65 and over	1,674	15.5%
Median age	42.4 years

Race & ethnicity

White 83.9%

Hispanic or Latino 5.2%

Two or more races 3.8%

Other race 3.8%

Asian 2.3%

Black or African American 0.9%

American Indian / Alaska Native 0.1%

Group	Count	%
White	9,560	83.9%
Hispanic or Latino	593	5.2%
Two or more races	432	3.8%
Other race	428	3.8%
Asian	261	2.3%
Black or African American	106	0.9%
American Indian / Alaska Native	17	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	31.7%	31.4%	28.2%
$50k – $100k	29.4%	31.8%	28.2%
$100k – $200k	32.1%	29.7%	30.1%
Over $200k	6.8%	7.1%	13.4%

Under $10k 2.2%

$10k–$15k 1.3%

$15k–$25k 5.1%

$25k–$35k 8.8%

$35k–$50k 14.0%

$50k–$75k 11.4%

$75k–$100k 12.5%

$100k–$150k 26.2%

$150k–$200k 9.5%

$200k+ 9.1%

Range	% of households
Under $10k	2.2%
$10k–$15k	1.3%
$15k–$25k	5.1%
$25k–$35k	8.8%
$35k–$50k	14.0%
$50k–$75k	11.4%
$75k–$100k	12.5%
$100k–$150k	26.2%
$150k–$200k	9.5%
$200k+	9.1%
Median income	$88,583

Housing

Home values

Under $50k 5.9%

$50k–$100k 1.5%

$100k–$150k 3.3%

$150k–$200k 4.6%

$200k–$300k 36.5%

$300k–$500k 36.0%

$500k–$1M 11.7%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$295,000
Median rent / month	$1,172
Owner occupied	79.6%
Renter occupied	20.4%
Vacant	4.8%
Single-family detached	78.0%
Large apartment buildings	2.6%
Mobile homes	8.2%
Median rooms	6.5
Avg household size (owned)	2.72

Year built

Era	%
2020 or later	0.0%
2010–2019	3.4%
2000–2009	23.6%
1990–1999	15.8%
1980–1989	14.3%
1970–1979	10.6%
1960–1969	10.9%
1950–1959	8.3%
1940–1949	2.5%
1939 or earlier	10.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	5.6%
2 bedrooms	14.2%
3 bedrooms	45.7%
4 bedrooms	28.7%
5+ bedrooms	5.8%

Vehicles per household

Vehicles	% of households
No vehicle	2.2%
1 vehicle	26.1%
2 vehicles	34.6%
3 or more	37.2%

Heating fuel

Fuel type	%
Utility gas	4.0%
Electricity	35.0%
Propane / LP gas	20.6%
Fuel oil	31.8%
Wood	4.6%
Solar	1.4%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	2,310	57.8%
Cohabiting couple	161	4.0%
Male householder, no spouse	736	18.4%
Female householder, no spouse	790	19.8%
Households with children under 18	1,386	34.7%
Households with seniors (65+)	1,194	29.9%
Average household size	2.66

Marital status

Status	Male	Female
Never married	27.0%	19.2%
Married	58.5%	56.9%
Separated	1.5%	1.2%
Widowed	1.3%	7.6%
Divorced	11.7%	15.2%

Education

Less than 9th grade 3.5%

Some HS, no diploma 10.3%

HS graduate 35.8%

Some college, no degree 20.0%

Associate's degree 8.9%

Bachelor's degree 12.4%

Graduate / professional 9.1%

Metric	%
HS diploma or higher	86.2%
Bachelor's or higher	21.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	101	3.9%
Kindergarten	64	2.5%
Elementary school	1,382	53.9%
High school	611	23.8%
College / grad school	405	15.8%

Employment

Industry of employment

Education & healthcare 25.9%

Professional & management 12.7%

Construction 10.3%

Manufacturing 8.7%

Transportation & utilities 8.5%

Retail trade 8.4%

Public administration 7.2%

Other services 5.8%

Finance & real estate 4.6%

Arts, food & hospitality 4.0%

Agriculture & mining 2.3%

Wholesale trade 1.1%

Information 0.4%

Occupation

Category	%
Management, business & arts	38.5%
Service	14.8%
Sales & office	15.8%
Natural resources & construction	14.1%
Production & transportation	16.7%

Employment type

Type	%
Private sector	69.0%
Government	24.8%
Self-employed	6.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.6%
Carpool	8.0%
Public transit	0.4%
Walk	0.9%
Work from home	9.1%
Other means	1.0%
Avg commute (minutes)	30.2

Poverty

All people 4.1%

Under 18 years 3.7%

18 and over 4.2%

Married-couple families 3.1%

Female-led households 2.1%

Income support

Source	% of households
Social Security	32.9%
Retirement income	26.4%
Supplemental Security	6.9%
Cash public assistance	1.1%
Food stamps / SNAP	6.7%

Health indicators

Condition	%
Obesity	37.2%
High blood pressure	35.4%
High cholesterol	34.1%
Diabetes	9.3%
Heart disease	5.8%
Stroke	2.8%
Asthma	9.6%
Arthritis	26.0%
Kidney disease	2.6%
Pulmonary disease	6.7%
Cancer	6.7%

Behavior / access	%
Smoking	18.9%
Binge drinking	16.8%
No physical activity	24.5%
Less than 7 hrs sleep	35.0%
Depression	20.8%
Fair or poor health	12.8%
Poor mental health	15.0%
Poor physical health	9.3%
No health insurance	10.4%
Visited doctor (checkup)	73.6%
Visited dentist	63.7%
Cholesterol screening	90.8%
Teeth loss	12.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	658	8.0%

Disability	%
Any disability	11.5%
Under 18	5.0%
18–64 years	10.3%
65 and over	27.1%

Health insurance coverage

Type	%
Private insurance	77.0%
Public insurance	30.6%
No insurance	4.4%
Uninsured under 19	4.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	10,341	95.7%
Spanish	392	3.8%
Other Indo-European	215	2.1%
Asian & Pacific Islander	53	0.5%
Other languages	124	1.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	10,295	95.3%
Born in same state	10,129	93.8%
Born in different state	5,217	48.3%
Foreign born	166	1.5%
Naturalized citizen	509	4.7%
Not a US citizen	375	73.7%

Ancestry

Ancestry	Count	%
French	2,052	19%
Italian	1,940	18%
Arab	1,052	9.7%
English	144	1.3%
Polish	103	1%

Ancestry	Count	%
Irish	29	0.3%
Dutch	26	0.2%
Norwegian	10	0.1%
German	7	0.1%

Technology access

Metric	% of households
Computer access	37.0%
Internet access	95.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 21911

What city is ZIP code 21911 in?

ZIP code 21911 is primarily assigned to Rising Sun, Maryland.

What county is ZIP code 21911 in?

ZIP code 21911 falls within Cecil County, Maryland.

What is the population of ZIP code 21911?

ZIP code 21911 has an estimated population of 10,804 residents, with a density of 289 people per square mile.

What is the typical home value in ZIP code 21911?

The median home value in ZIP code 21911 is $295,000.

What is the median household income in ZIP code 21911?

The median household income in ZIP code 21911 is $88,583, above the national median of ~$75,000.

What timezone is ZIP code 21911 in?

ZIP code 21911 observes the EST timezone.