Parkton ZIP Codes — Baltimore County, MD

There is one unique ZIP code in Parkton, Maryland and it is 21120. Area code: 443/410.

ZIP codes

42.00

sq mi land

0.72

sq mi water

443/410

area code

Parkton, MD ZIP code map

About Parkton, MD

Parkton, Maryland, is a charming community located in the heart of Baltimore County. Known for its picturesque landscapes and residential atmosphere, Parkton offers a tranquil retreat from the hustle and bustle of nearby urban areas. This small town embodies the essence of suburban living while retaining a close connection to nature.

Location & geography

Parkton is situated in northern Baltimore County, within easy reach of neighboring cities such as Sparks Glencoe, which lies just 4 miles to the south, and Cockeysville, approximately 8 miles to the southeast. The area features a diverse terrain, consisting of expansive open spaces and natural beauty, contributing to its scenic charm. The total land area of Parkton measures 42.00 square miles, with a modest water area of 0.72 square miles.

Community & economy

The character of Parkton is defined by its friendly residents and strong sense of community, making it an ideal place for families. The local economy is characterized by a mix of small businesses and industries, supporting a variety of trades from agriculture to retail. Daily life in Parkton revolves around community events, outdoor activities, and a shared love for the tranquil surroundings.

Transportation

Key transportation routes serving Parkton include the Maryland Route 83, which connects residents to greater Baltimore and the surrounding areas. For air travel, the nearest major airport is Baltimore/Washington International Thurgood Marshall Airport, located approximately 30 miles to the south. Public transit options are limited, enhancing the town's rural feel and encouraging a car-dependent lifestyle.

History

Parkton was established in the 19th century, originally growing as an agricultural community that took advantage of the lush landscape and fertile soil. The town's growth was influenced by nearby railroads, which facilitated trade and transportation in the region. While specific notable events in Parkton's history are scarce, its legacy as a quintessential Maryland town continues to thrive.

Did you know?

One little-known fact about Parkton is that it is home to several historic structures, preserving a glimpse into its past. Additionally, the town is known for its beautiful outdoor recreational areas, attracting visitors who seek nature experiences away from the city.

ZIP codes for Parkton, MD (1)

ZIP code	City	County	Map
21120	Parkton	Baltimore	View map

Demographics & statistics

7,319

Population

44.0

Median age

$148,090

Median household income

$64,523

Per capita income

$527,100

Median home value

$1,630

Median monthly rent

95.9%

Home ownership

1.5%

Poverty rate

4.2%

Unemployment

2,535

Housing units

60.8%

Bachelor's or higher

Age distribution

Male Female

257

Under 5

238

269

5–9

250

329

10–14

305

235

15–19

219

20–24

298

25–34

277

507

35–44

470

569

45–54

528

313

55–59

291

331

60–64

307

437

65–74

406

131

75–84

121

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,969	26.9%
18 and over	5,350	73.1%
65 and over	1,204	16.5%
Median age	44.0 years

Race & ethnicity

White 85.3%

Hispanic or Latino 4.2%

Two or more races 4.1%

Asian 2.7%

Black or African American 2%

Other race 1.6%

Group	Count	%
White	6,520	85.3%
Hispanic or Latino	323	4.2%
Two or more races	314	4.1%
Asian	207	2.7%
Black or African American	156	2%
Other race	122	1.6%

Household income

$15k–$25k 0.9%

$25k–$35k 3.8%

$35k–$50k 3.3%

$50k–$75k 8.2%

$75k–$100k 10.7%

$100k–$150k 26.2%

$150k–$200k 12.7%

$200k+ 34.1%

Range	% of households
$15k–$25k	0.9%
$25k–$35k	3.8%
$35k–$50k	3.3%
$50k–$75k	8.2%
$75k–$100k	10.7%
$100k–$150k	26.2%
$150k–$200k	12.7%
$200k+	34.1%
Median income	$148,090

Housing

Home values

Under $50k 0.3%

$50k–$100k 0.4%

$100k–$150k 1.0%

$200k–$300k 7.4%

$300k–$500k 36.4%

$500k–$1M 48.6%

$1M+ 5.9%

Housing overview

Metric	Value
Median home value	$527,100
Median rent / month	$1,630
Owner occupied	95.9%
Renter occupied	4.1%
Vacant	3.3%
Single-family detached	97.4%
Large apartment buildings	0.0%
Mobile homes	0.3%
Median rooms	10.0
Avg household size (owned)	2.87

Year built

Era	%
2020 or later	1.8%
2010–2019	6.9%
2000–2009	19.1%
1990–1999	17.6%
1980–1989	18.8%
1970–1979	13.9%
1960–1969	6.0%
1950–1959	6.1%
1940–1949	0.3%
1939 or earlier	9.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.5%
2 bedrooms	4.7%
3 bedrooms	30.9%
4 bedrooms	48.9%
5+ bedrooms	15.0%

Vehicles per household

Vehicles	% of households
No vehicle	1.0%
1 vehicle	11.1%
2 vehicles	50.7%
3 or more	37.2%

Heating fuel

Fuel type	%
Utility gas	1.9%
Electricity	37.4%
Propane / LP gas	21.0%
Fuel oil	25.7%
Wood	4.2%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	1,952	76.4%
Cohabiting couple	175	6.9%
Male householder, no spouse	158	6.2%
Female householder, no spouse	269	10.5%
Households with children under 18	954	37.4%
Households with seniors (65+)	773	30.3%
Average household size	2.85

Marital status

Status	Male	Female
Never married	18.4%	16.0%
Married	70.1%	71.7%
Separated	0.4%	0.0%
Widowed	3.3%	3.5%
Divorced	7.8%	8.8%

Education

Less than 9th grade 1.0%

Some HS, no diploma 1.4%

HS graduate 15.3%

Some college, no degree 15.4%

Associate's degree 6.1%

Bachelor's degree 35.3%

Graduate / professional 25.6%

Metric	%
HS diploma or higher	97.6%
Bachelor's or higher	60.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	302	14.7%
Kindergarten	125	6.1%
Elementary school	878	42.7%
High school	454	22.1%
College / grad school	297	14.4%

Employment

Industry of employment

Education & healthcare 26.3%

Professional & management 16.8%

Finance & real estate 10.3%

Manufacturing 9.0%

Retail trade 7.7%

Arts, food & hospitality 7.4%

Construction 6.3%

Other services 5.2%

Transportation & utilities 4.2%

Public administration 3.3%

Wholesale trade 1.3%

Information 1.3%

Agriculture & mining 0.8%

Occupation

Category	%
Management, business & arts	60.9%
Service	8.9%
Sales & office	18.4%
Natural resources & construction	6.3%
Production & transportation	5.5%

Employment type

Type	%
Private sector	81.5%
Government	15.9%
Self-employed	2.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	71.6%
Carpool	7.5%
Public transit	1.4%
Walk	0.2%
Other means	0.4%
Avg commute (minutes)	34.8

Poverty

All people 1.5%

Under 18 years 3.6%

18 and over 0.7%

Married-couple families 0.3%

Female-led households 0.0%

Income support

Source	% of households
Social Security	29.1%
Retirement income	28.0%
Supplemental Security	0.3%
Cash public assistance	0.2%
Food stamps / SNAP	0.2%

Health indicators

Condition	%
High blood pressure	32.4%
High cholesterol	35.1%
Heart disease	5.4%
Stroke	2.4%
Asthma	9.2%
Arthritis	25.4%
Kidney disease	2.5%
Pulmonary disease	5.2%
Cancer	7.5%

Behavior / access	%
Binge drinking	16.2%
No physical activity	18.4%
Less than 7 hrs sleep	29.6%
Fair or poor health	10.1%
Poor mental health	13.2%
Poor physical health	7.6%
No health insurance	7.4%
Visited doctor (checkup)	76.2%
Visited dentist	72.1%
Cholesterol screening	94.2%
Teeth loss	7.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	351	6.6%

Disability	%
Any disability	7.6%
Under 18	1.5%
18–64 years	5.7%
65 and over	23.8%

Health insurance coverage

Type	%
Private insurance	92.5%
Public insurance	18.0%
Uninsured under 19	1.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,824	93.2%
Spanish	33	0.5%
Other Indo-European	10	0.1%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	7,075	96.7%
Born in same state	6,995	95.6%
Born in different state	4,994	68.2%
Foreign born	80	1.1%
Naturalized citizen	244	3.3%
Not a US citizen	202	82.8%

Ancestry

Ancestry	Count	%
Italian	1,404	19.2%
French	1,251	17.1%
Norwegian	181	2.5%

Ancestry	Count	%
Arab	170	2.3%
Irish	72	1%
Polish	47	0.6%

Technology access

Metric	% of households
Computer access	34.9%
Internet access	98.7%

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

Frequently asked questions

What ZIP codes does Parkton, MD have?

Parkton, MD has one ZIP code: 21120. Each ZIP code serves a distinct delivery area within the city and surrounding region.