Fork ZIP Codes — Baltimore County, MD

There is one unique ZIP code in Fork, Maryland and it is 21051. Area code: 410/443.
1
ZIP codes
0.40
sq mi land
0.00
sq mi water
410/443
area code
Fork, MD ZIP code map

About Fork, MD

Fork, Maryland is a small unincorporated community located in Baltimore County, Maryland, serving as a quiet residential enclave in the northern reaches of the greater Baltimore metropolitan area. The community carries the single ZIP code of 21051, which covers its compact footprint in the rolling countryside of Baltimore County. Despite its modest size, Fork offers residents a peaceful rural character while remaining within reasonable driving distance of Baltimore and other regional centers.

Location & geography

Fork is situated in the northern part of Baltimore County, Maryland, nestled among the gently rolling hills and wooded terrain that characterize this portion of the state. Nearby communities include Jacksonville, White Hall, and Baldwin, all of which lie within a few miles and share the rural, pastoral landscape typical of northern Baltimore County. The community has a land area of exactly 0.40 square miles and no recorded water area, meaning there are no significant lakes, rivers, or waterways within its defined boundaries.

Community & economy

Fork maintains a distinctly rural and residential character, with the surrounding countryside defined by low-density housing, small farms, and tree-lined roads that attract residents seeking a quiet lifestyle away from the urban core of Baltimore. Daily life in Fork revolves largely around the neighboring communities and nearby towns, where residents access shopping, dining, schools, and services. The community reflects the broader culture of northern Baltimore County, where a strong sense of local identity and appreciation for the natural landscape shape the rhythms of everyday life.

Transportation

Fork is accessible primarily via local roadways that connect it to the broader network of Baltimore County highways, with Maryland Route 152 and Maryland Route 165 serving as key corridors linking the community to surrounding towns and major thoroughfares. Interstate 83, known as the Jones Falls Expressway, lies to the west and provides a direct route into Baltimore City and points north toward York, Pennsylvania. The nearest major commercial airport is Baltimore/Washington International Thurgood Marshall Airport (BWI), located approximately 35 to 40 miles to the south, offering extensive domestic and international flight options.

History

Fork, like many small communities in Baltimore County, developed as an agricultural settlement during the 18th and 19th centuries, when the fertile lands of northern Maryland supported farming as the backbone of local life. The community's name is believed to reflect a geographic or road fork in the area, a common naming convention for rural crossroads settlements throughout Maryland. Over time, Fork transitioned from a purely agricultural community toward a quieter residential enclave as suburban growth gradually extended northward from Baltimore throughout the 20th century.

Did you know?

One little-known fact about Fork, Maryland is that despite its extremely small land area of just 0.40 square miles, it maintains its own distinct ZIP code — 21051 — separate from the surrounding communities, underscoring its recognized identity within Baltimore County's postal geography. Fork's completely dry water area statistic is also notable, as many communities of similar size in Maryland are intersected by at least minor streams or tributaries, making Fork's entirely land-based footprint a quiet geographic distinction.

ZIP codes for Fork, MD (1)
ZIP code City County Map
21051 Fork Baltimore View map

Demographics & statistics

113
Population
39.3
Median age
$0
Median household income
$62,676
Per capita income
$423,300
Median home value
$0
Median monthly rent
100.0%
Home ownership
0.0%
Poverty rate
0.0%
Unemployment
41
Housing units
27.7%
Bachelor's or higher

Age distribution

Male Female
5
Under 5
5
4
5–9
5
5
20–24
6
12
25–34
12
4
35–44
5
3
45–54
4
13
55–59
14
3
60–64
3
5
75–84
5
← Male
Female →

Age summary

GroupCount%
Under 181916.8%
18 and over9483.2%
65 and over108.8%
Median age39.3 years

Race & ethnicity

White 100%
GroupCount%
White113100%

Household income

$50k–$75k 24.4%
$100k–$150k 29.3%
$200k+ 46.3%
Range% of households
$50k–$75k24.4%
$100k–$150k29.3%
$200k+46.3%
Median income$0

Housing

Home values

$200k–$300k 17.1%
$300k–$500k 61.0%
$500k–$1M 22.0%

Housing overview

MetricValue
Median home value$423,300
Median rent / month$0
Owner occupied100.0%
Renter occupied0.0%
Vacant0.0%
Single-family detached100.0%
Large apartment buildings0.0%
Mobile homes0.0%
Median rooms6.8
Avg household size (owned)2.76

Year built

Era%
2020 or later0.0%
2010–20190.0%
2000–20090.0%
1990–19990.0%
1980–19890.0%
1970–19790.0%
1960–196958.5%
1950–195941.5%
1940–19490.0%
1939 or earlier0.0%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom0.0%
2 bedrooms0.0%
3 bedrooms78.0%
4 bedrooms22.0%
5+ bedrooms0.0%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle24.4%
2 vehicles41.5%
3 or more34.1%

Heating fuel

Fuel type%
Electricity12.2%
Propane / LP gas24.4%
Fuel oil63.4%

Households & families

Household typeCount%
Married-couple family2151.2%
Cohabiting couple1024.4%
Male householder, no spouse00.0%
Female householder, no spouse1024.4%
Households with children under 181024.4%
Households with seniors (65+)1024.4%
Average household size2.76

Marital status

StatusMaleFemale
Never married31.1%22.4%
Married48.9%36.7%
Separated0.0%0.0%
Widowed0.0%20.4%
Divorced20.0%20.4%

Education

Less than 9th grade 0.0%
Some HS, no diploma 0.0%
HS graduate 41.0%
Some college, no degree 21.7%
Associate's degree 9.6%
Bachelor's degree 27.7%
Graduate / professional 0.0%
Metric%
HS diploma or higher100.0%
Bachelor's or higher27.7%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1045.5%
Kindergarten00.0%
Elementary school940.9%
High school00.0%
College / grad school313.6%

Employment

Industry of employment

Professional & management 27.1%
Finance & real estate 22.9%
Education & healthcare 15.7%
Retail trade 12.9%
Manufacturing 10.0%
Public administration 7.1%
Transportation & utilities 4.3%

Occupation

Category%
Management, business & arts61.4%
Service0.0%
Sales & office24.3%
Natural resources & construction0.0%
Production & transportation14.3%

Employment type

Type%
Private sector92.9%
Government7.1%
Self-employed0.0%
Unpaid family workers0.0%

Commute

Method%
Drive alone83.6%
Carpool0.0%
Public transit0.0%
Walk0.0%
Other means0.0%
Avg commute (minutes)31.5

Poverty

All people 0.0%
Under 18 years 0.0%
18 and over 0.0%
Married-couple families 0.0%
Female-led households 0.0%

Income support

Source% of households
Social Security24.4%
Retirement income36.6%
Supplemental Security0.0%
Cash public assistance0.0%
Food stamps / SNAP0.0%

Health indicators

Condition%
High blood pressure32.8%
High cholesterol35.5%
Heart disease5.7%
Stroke2.4%
Asthma8.8%
Arthritis25.8%
Kidney disease2.5%
Pulmonary disease5.0%
Cancer8.3%
Behavior / access%
Binge drinking15.7%
No physical activity17.4%
Less than 7 hrs sleep28.2%
Fair or poor health9.5%
Poor mental health12.3%
Poor physical health7.2%
No health insurance6.8%
Visited doctor (checkup)76.9%
Visited dentist74.1%
Cholesterol screening94.8%
Teeth loss7.4%

Veterans & disability

VeteransCount%
Civilian veterans1313.8%
Disability%
Any disability8.8%
Under 180.0%
18–64 years0.0%
65 and over100.0%

Health insurance coverage

Type%
Private insurance75.2%
Public insurance8.8%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only10391.2%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)113100.0%
Born in same state113100.0%
Born in different state8272.6%
Foreign born00.0%
Naturalized citizen00.0%
Not a US citizen00.0%

Ancestry

AncestryCount%
Italian1715%
AncestryCount%
French54.4%

Technology access

Metric% of households
Computer access36.3%
Internet access100.0%

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

Frequently asked questions
What ZIP codes does Fork, MD have?
Fork, MD has one ZIP code: 21051. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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