Darlington ZIP Codes — Harford County, MD

There is one unique ZIP code in Darlington, Maryland and it is 21034. Area code: 443/667/410.

ZIP codes

26.67

sq mi land

2.83

sq mi water

443/667/410

area code

Darlington, MD ZIP code map

About Darlington, MD

Darlington, Maryland, is a quaint and serene community located in Harford County. Known for its rural charm and close-knit atmosphere, Darlington offers a peaceful living environment away from the hustle and bustle of urban areas. The town reflects the rich agricultural history of Maryland, making it an attractive spot for those seeking a quieter lifestyle.

Location & geography

Darlington is situated approximately 14 miles southeast of Bel Air and about 13 miles north of Aberdeen. The town spans a total land area of 26.67 square miles, accompanied by a water area of 2.83 square miles, contributing to its natural beauty and landscape diversity. The region consists of rolling hills and expansive farmlands, providing stunning views and outdoor recreational opportunities.

Community & economy

The character of Darlington is defined by its friendly residents and community-oriented events that foster strong relationships among neighbors. The local economy is primarily supported by agriculture, small businesses, and home-based enterprises, contributing to a self-sustaining community atmosphere. Daily life in Darlington revolves around family, community gatherings, and an appreciation for the natural surroundings.

Transportation

Darlington is accessible via several major roads, including Route 1 and Route 24, which connect it to nearby towns and cities. The nearest major airport is Baltimore/Washington International Thurgood Marshall Airport, located about 35 miles away. Public transportation options are limited, making personal vehicles the primary mode of transportation for residents.

History

Darlington was founded in the early 19th century and has since maintained its rural character. Historically, the town was driven by agriculture, with many family-owned farms operating in the region and contributing to its heritage. Notable events in its history include community gatherings and fairs that celebrate local culture and traditions.

Did you know?

One surprising fact about Darlington is that it is home to the iconic Darlington Apple Festival, which attracts visitors from surrounding areas each fall. This festival showcases local artisans, crafters, and agricultural products, emphasizing the town's rich farming background.

ZIP codes for Darlington, MD (1)

ZIP code	City	County	Map
21034	Darlington	Harford	View map

Demographics & statistics

2,958

Population

51.8

Median age

$85,833

Median household income

$44,165

Per capita income

$348,000

Median home value

$1,442

Median monthly rent

92.9%

Home ownership

15.9%

Poverty rate

1.2%

Unemployment

1,161

Housing units

29.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

106

10–14

15–19

20–24

163

25–34

149

117

35–44

107

242

45–54

222

185

55–59

170

147

60–64

135

181

65–74

166

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	564	19.1%
18 and over	2,394	80.9%
65 and over	629	21.3%
Median age	51.8 years

Race & ethnicity

White 93.2%

Two or more races 4.1%

Hispanic or Latino 1.6%

Black or African American 0.7%

Asian 0.2%

American Indian / Alaska Native 0.2%

Other race 0.1%

Group	Count	%
White	2,802	93.2%
Two or more races	124	4.1%
Hispanic or Latino	49	1.6%
Black or African American	20	0.7%
Asian	5	0.2%
American Indian / Alaska Native	5	0.2%
Other race	2	0.1%

Household income

Under $10k 4.8%

$10k–$15k 3.2%

$15k–$25k 5.9%

$25k–$35k 9.1%

$35k–$50k 6.4%

$50k–$75k 16.8%

$75k–$100k 7.1%

$100k–$150k 22.6%

$150k–$200k 14.2%

$200k+ 10.0%

Range	% of households
Under $10k	4.8%
$10k–$15k	3.2%
$15k–$25k	5.9%
$25k–$35k	9.1%
$35k–$50k	6.4%
$50k–$75k	16.8%
$75k–$100k	7.1%
$100k–$150k	22.6%
$150k–$200k	14.2%
$200k+	10.0%
Median income	$85,833

Housing

Home values

Under $50k 8.1%

$50k–$100k 4.6%

$100k–$150k 3.1%

$150k–$200k 8.9%

$200k–$300k 16.6%

$300k–$500k 35.1%

$500k–$1M 16.7%

$1M+ 6.9%

Housing overview

Metric	Value
Median home value	$348,000
Median rent / month	$1,442
Owner occupied	92.9%
Renter occupied	7.1%
Vacant	3.4%
Single-family detached	77.0%
Large apartment buildings	0.0%
Mobile homes	15.6%
Median rooms	6.9
Avg household size (owned)	2.46

Year built

Era	%
2020 or later	1.0%
2010–2019	1.8%
2000–2009	18.9%
1990–1999	6.4%
1980–1989	12.3%
1970–1979	11.0%
1960–1969	12.1%
1950–1959	8.2%
1940–1949	4.5%
1939 or earlier	23.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	4.1%
2 bedrooms	17.4%
3 bedrooms	49.2%
4 bedrooms	25.3%
5+ bedrooms	4.0%

Vehicles per household

Vehicles	% of households
No vehicle	3.2%
1 vehicle	16.9%
2 vehicles	39.7%
3 or more	40.2%

Heating fuel

Fuel type	%
Utility gas	6.2%
Electricity	22.3%
Propane / LP gas	18.9%
Fuel oil	37.1%
Wood	14.0%

Households & families

Household type	Count	%
Married-couple family	783	65.0%
Cohabiting couple	38	3.2%
Male householder, no spouse	182	15.1%
Female householder, no spouse	201	16.7%
Households with children under 18	288	23.9%
Households with seniors (65+)	456	37.9%
Average household size	2.45

Marital status

Status	Male	Female
Never married	22.8%	12.1%
Married	65.7%	65.0%
Separated	0.8%	1.1%
Widowed	3.3%	15.9%
Divorced	7.3%	5.9%

Education

Less than 9th grade 5.0%

Some HS, no diploma 5.7%

HS graduate 38.3%

Some college, no degree 16.8%

Associate's degree 4.8%

Bachelor's degree 13.5%

Graduate / professional 15.8%

Metric	%
HS diploma or higher	89.2%
Bachelor's or higher	29.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	44	8.2%
Kindergarten	39	7.3%
Elementary school	289	53.8%
High school	115	21.4%
College / grad school	50	9.3%

Employment

Industry of employment

Education & healthcare 19.2%

Construction 16.6%

Public administration 13.2%

Professional & management 12.7%

Manufacturing 9.0%

Other services 8.1%

Retail trade 6.6%

Transportation & utilities 6.5%

Arts, food & hospitality 3.3%

Agriculture & mining 2.0%

Finance & real estate 2.0%

Wholesale trade 0.7%

Occupation

Category	%
Management, business & arts	41.8%
Service	13.5%
Sales & office	14.3%
Natural resources & construction	19.1%
Production & transportation	11.2%

Employment type

Type	%
Private sector	66.8%
Government	25.9%
Self-employed	7.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	74.1%
Carpool	13.7%
Public transit	0.0%
Walk	1.2%
Other means	0.9%
Avg commute (minutes)	33.8

Poverty

All people 15.9%

Under 18 years 37.0%

18 and over 11.1%

Married-couple families 7.5%

Female-led households 52.2%

Income support

Source	% of households
Social Security	41.4%
Retirement income	32.4%
Supplemental Security	4.6%
Cash public assistance	3.0%
Food stamps / SNAP	7.2%

Health indicators

Condition	%
High blood pressure	39.7%
High cholesterol	37.3%
Heart disease	7.8%
Stroke	3.6%
Asthma	10.4%
Arthritis	28.5%
Kidney disease	3.3%
Pulmonary disease	8.6%
Cancer	7.6%

Behavior / access	%
Binge drinking	14.2%
No physical activity	24.6%
Less than 7 hrs sleep	32.5%
Fair or poor health	15.5%
Poor mental health	14.6%
Poor physical health	10.9%
No health insurance	10.6%
Visited doctor (checkup)	78.6%
Visited dentist	62.1%
Cholesterol screening	91.6%
Teeth loss	13.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	208	8.7%

Disability	%
Any disability	20.9%
Under 18	3.9%
18–64 years	18.0%
65 and over	44.4%

Health insurance coverage

Type	%
Private insurance	73.6%
Public insurance	43.0%
Uninsured under 19	5.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,812	95.1%
Spanish	13	0.5%
Other Indo-European	8	0.3%
Asian & Pacific Islander	0	0.0%
Other languages	5	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,947	99.6%
Born in same state	2,919	98.7%
Born in different state	2,128	71.9%
Foreign born	28	0.9%
Naturalized citizen	11	0.4%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	514	17.4%
French	471	15.9%
Arab	192	6.5%
English	72	2.4%

Ancestry	Count	%
Norwegian	38	1.3%
Irish	18	0.6%
Polish	5	0.2%
German	3	0.1%

Technology access

Metric	% of households
Computer access	40.7%
Internet access	91.4%

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

Frequently asked questions

What ZIP codes does Darlington, MD have?

Darlington, MD has one ZIP code: 21034. Each ZIP code serves a distinct delivery area within the city and surrounding region.