21914 ZIP Code — Charlestown, MD

Cecil County, Maryland

ZIP code 21914 is located in Charlestown, Maryland, within Cecil County. It covers approximately 0.73 square miles and serves a population of 740 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 443/667/410.

About ZIP code 21914

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $282,600. Owner-occupancy sits near the national average at 67%.

Median household income is $70,347. SNAP benefit usage at 17% of households reflects economic stress in the area. 40% 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. An above-average commute of 39 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 33% of residents holding a bachelor's degree or higher.

Overall, ZIP code 21914 reflects a community defined by a significant Social Security-dependent population and elevated reliance on food assistance.

740

population

0.73

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21914 ZIP code map

Cities in ZIP code 21914

Below are the cities the US Postal Service accepts for ZIP code 21914. Using any city not on this list may result in mail delivery delays.

City	Status
Charlestown	Acceptable

Demographics updated 05/2026

Population
Total population	740
Population density	1,014 / sq mi
State FIPS	24
County FIPS	015

Geography
Land area	0.73 sq mi
Water area	0.00 sq mi
Latitude	39.5744
Longitude	-75.9796
Timezone	Eastern (ET)
Area code	443/667/410

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	39.1%	31.4%	28.2%
$50k – $100k	33.5%	31.8%	28.2%
$100k – $200k	21.2%	29.7%	30.1%
Over $200k	6.1%	7.1%	13.4%

Demographics & statistics

740

Population

1,014

People per sq mi

49.2

Median age

$70,347

Median household income

$40,026

Per capita income

$282,600

Median home value

$1,311

Median monthly rent

67.0%

Home ownership

15.7%

Poverty rate

0.0%

Unemployment

339

Housing units

33.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	123	16.6%
18 and over	617	83.4%
65 and over	241	32.6%
Median age	49.2 years

Race & ethnicity

White 97.8%

Two or more races 1.4%

Black or African American 0.8%

Group	Count	%
White	724	97.8%
Two or more races	10	1.4%
Black or African American	6	0.8%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	39.1%	31.4%	28.2%
$50k – $100k	33.5%	31.8%	28.2%
$100k – $200k	21.2%	29.7%	30.1%
Over $200k	6.1%	7.1%	13.4%

$10k–$15k 7.9%

$15k–$25k 4.4%

$25k–$35k 14.4%

$35k–$50k 19.6%

$50k–$75k 7.9%

$75k–$100k 10.4%

$100k–$150k 20.7%

$150k–$200k 9.5%

$200k+ 5.2%

Range	% of households
$10k–$15k	7.9%
$15k–$25k	4.4%
$25k–$35k	14.4%
$35k–$50k	19.6%
$50k–$75k	7.9%
$75k–$100k	10.4%
$100k–$150k	20.7%
$150k–$200k	9.5%
$200k+	5.2%
Median income	$70,347

Housing

Home values

$50k–$100k 3.7%

$150k–$200k 22.0%

$200k–$300k 27.6%

$300k–$500k 35.0%

$1M+ 11.8%

Housing overview

Metric	Value
Median home value	$282,600
Median rent / month	$1,311
Owner occupied	67.0%
Renter occupied	33.0%
Vacant	20.2%
Single-family detached	84.6%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	5.2
Avg household size (owned)	2.16

Year built

Era	%
2020 or later	0.0%
2010–2019	2.6%
2000–2009	7.8%
1990–1999	13.5%
1980–1989	6.7%
1970–1979	4.1%
1960–1969	6.1%
1950–1959	20.9%
1940–1949	6.1%
1939 or earlier	32.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	5.2%
2 bedrooms	37.6%
3 bedrooms	43.7%
4 bedrooms	10.0%
5+ bedrooms	3.5%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	43.9%
2 vehicles	23.4%
3 or more	32.7%

Heating fuel

Fuel type	%
Utility gas	4.4%
Electricity	43.3%
Propane / LP gas	17.4%
Fuel oil	34.9%

Households & families

Household type	Count	%
Married-couple family	158	43.1%
Cohabiting couple	68	18.5%
Male householder, no spouse	60	16.3%
Female householder, no spouse	81	22.1%
Households with children under 18	109	29.7%
Households with seniors (65+)	139	37.9%
Average household size	1.99

Marital status

Status	Male	Female
Never married	30.0%	11.9%
Married	44.9%	46.8%
Separated	0.0%	5.8%
Widowed	0.0%	13.4%
Divorced	25.1%	22.2%

Education

Less than 9th grade 0.3%

Some HS, no diploma 4.3%

HS graduate 22.1%

Some college, no degree 30.8%

Associate's degree 9.2%

Bachelor's degree 17.5%

Graduate / professional 15.8%

Metric	%
HS diploma or higher	95.4%
Bachelor's or higher	33.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	14	10.4%
Elementary school	24	17.8%
High school	55	40.7%
College / grad school	42	31.1%

Employment

Industry of employment

Education & healthcare 24.2%

Professional & management 22.5%

Public administration 10.5%

Retail trade 9.8%

Construction 9.5%

Manufacturing 8.4%

Arts, food & hospitality 5.6%

Wholesale trade 4.9%

Other services 4.6%

Occupation

Category	%
Management, business & arts	37.2%
Service	21.1%
Sales & office	27.4%
Natural resources & construction	5.3%
Production & transportation	9.1%

Employment type

Type	%
Private sector	67.7%
Government	26.0%
Self-employed	6.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	93.3%
Carpool	0.0%
Public transit	5.6%
Walk	0.0%
Work from home	1.1%
Other means	0.0%
Avg commute (minutes)	38.8

Poverty

All people 15.7%

Under 18 years 0.0%

18 and over 18.8%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	39.5%
Retirement income	41.4%
Supplemental Security	4.9%
Cash public assistance	0.0%
Food stamps / SNAP	17.4%

Health indicators

Condition	%
Obesity	38.5%
High blood pressure	38.1%
High cholesterol	35.9%
Diabetes	10.6%
Heart disease	6.8%
Stroke	3.2%
Asthma	9.7%
Arthritis	28.2%
Kidney disease	2.9%
Pulmonary disease	7.6%
Cancer	7.2%

Behavior / access	%
Smoking	19.1%
Binge drinking	15.9%
No physical activity	25.1%
Less than 7 hrs sleep	34.9%
Depression	20.6%
Fair or poor health	14.0%
Poor mental health	14.7%
Poor physical health	10.2%
No health insurance	9.9%
Visited doctor (checkup)	74.5%
Visited dentist	62.5%
Cholesterol screening	91.3%
Teeth loss	13.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	35	5.7%

Disability	%
Any disability	13.9%
Under 18	1.6%
18–64 years	12.5%
65 and over	22.4%

Health insurance coverage

Type	%
Private insurance	65.7%
Public insurance	43.2%
No insurance	5.5%
Uninsured under 19	20.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	727	98.2%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	740	100.0%
Born in same state	740	100.0%
Born in different state	303	40.9%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	244	33%
French	48	6.5%

Ancestry	Count	%
English	39	5.3%

Technology access

Metric	% of households
Computer access	49.6%
Internet access	89.9%

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

Frequently asked questions about ZIP code 21914

What city is ZIP code 21914 in?

ZIP code 21914 is primarily assigned to Charlestown, Maryland.

What county is ZIP code 21914 in?

ZIP code 21914 falls within Cecil County, Maryland.

Does ZIP code 21914 have an older population?

33% of residents in ZIP code 21914 are 65 or older, above the national average of ~17%.

What is the poverty rate in ZIP code 21914?

16% of residents in ZIP code 21914 live below the poverty line, above the national average.

Does ZIP code 21914 have a large retiree population?

40% of households in ZIP code 21914 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 21914?

ZIP code 21914 has an estimated population of 740 residents, with a density of 1,012 people per square mile.

What timezone is ZIP code 21914 in?

ZIP code 21914 observes the EST timezone.