Zip code 21120: Parkton, Maryland

Q: What city is zip code 21120?

21120 is assigned to Parkton, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 21120 in?

21120 is in Baltimore County, Maryland.

Q: What is the population of 21120?

About 7,440 people live in 21120, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 21120?

The median household income in 21120 is $162,052.

Q: What zip codes are near 21120?

The closest zip codes to 21120 are 21053, 21105, 21161, 21152, 21111.

Residential delivery areaBaltimore CountyEastern Time

Population

7,440

Median household income

$162K

U.S. $81K

Median home value

$581K

U.S. $333K

Median rent

$1,271/mo

U.S. $1,413

Median age

40.8

U.S. 38.9

Land area

42 sq mi

177 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 21120

21120 is a small-town zip code in Parkton, Maryland (Baltimore County), covering 42 sq mi of land. About 7,440 people live here, or 177 per square mile. The median resident is 40.8 years old, compared with 38.9 nationally.

The median household earns $162,052 a year, about 2.0× the national median of $80,734. 2.8% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $580,900, or 3.6 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 94% of occupied homes are lived in by their owners, and renters pay a median of $1,271 a month.

64% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 36.9 minutes each way, and 24% of workers work from home. The most common jobs among working residents are in management; business and finance; and sales.

How 21120 compares

Sorted from highest to lowest national percentile

Homeownership rate93.8%
99th
StrengthU.S. 65.2% · MD 67.6%77th of 441 in MD
Median earnings per worker$98,469
97th
StrengthU.S. $49,666 · MD $61,20038th of 443 in MD
Median household income$162,052
96th
StrengthU.S. $80,734 · MD $103,67858th of 414 in MD
Average commute36.9 min
94th
WeaknessU.S. 26.4 min · MD 31.1 min85th of 421 in MD
Per capita income$74,584
93rd
StrengthU.S. $44,673 · MD $52,97950th of 446 in MD
Bachelor's degree or higher64.2%
92nd
StrengthU.S. 35.7% · MD 43.4%48th of 445 in MD
Broadband access97%
92nd
StrengthU.S. 91% · MD 92.4%102nd of 441 in MD
Residents under 1827.1%
87th
U.S. 22% · MD 22.2%47th of 446 in MD
Work from home23.5%
85th
U.S. 15.1% · MD 19.3%108th of 444 in MD
Tech workers5.5%
83rd
U.S. 3.8% · MD 6.4%188th of 444 in MD
Self-employed workers13%
83rd
U.S. 10% · MD 8.7%112th of 444 in MD
Median home value$580,900
80th
U.S. $332,700 · MD $419,90084th of 421 in MD
Veterans7.2%
69th
U.S. 6.2% · MD 6.8%212th of 446 in MD
Government workers15.9%
65th
U.S. 14.5% · MD 22.5%349th of 444 in MD
Median age40.8
63rd
U.S. 38.9 · MD 39.4253rd of 446 in MD
Residents 65 and older16.6%
50th
U.S. 17.2% · MD 16.7%267th of 446 in MD
Median gross rent$1,271
41st
U.S. $1,413 · MD $1,705251st of 338 in MD
Healthcare workers8.3%
32nd
U.S. 9.7% · MD 9%210th of 444 in MD
Foreign-born residents3.9%
23rd
U.S. 14.1% · MD 16.6%285th of 446 in MD
Population density177/sq mi
19th
U.S. 95/sq mi · MD 639/sq mi306th of 446 in MD
Income inequality (Gini)0.398
19th
StrengthU.S. 0.483 · MD 0.456243rd of 438 in MD
Diversity index25.2
18th
U.S. 61.4 · MD 67.7332nd of 446 in MD
Population7,440
12th
U.S. 334,922,499 · MD 6,206,011203rd of 446 in MD
Unemployment rate1.7%
4th
StrengthU.S. 5.2% · MD 4.9%354th of 444 in MD
Poverty rate2.8%
2nd
StrengthU.S. 12.5% · MD 9.4%362nd of 441 in MD
Uninsured rate1.3%
2nd
StrengthU.S. 8.4% · MD 6.3%365th of 444 in MD
Rent-burdened renters20.4%
2nd
StrengthU.S. 51.1% · MD 51.5%349th of 404 in MD
Housing vacancy0.9%
1st
U.S. 10.1% · MD 7.7%390th of 441 in MD

Measure	21120	Baltimore	MD	U.S.	National percentile	Rank in MD
Homeownership rateStrength	93.8%	66.4%	67.6%	65.2%	99th	77th of 441
Median earnings per workerStrength	$98,469	$57,592	$61,200	$49,666	97th	38th of 443
Median household incomeStrength	$162,052	$91,768	$103,678	$80,734	96th	58th of 414
Average commuteWeakness	36.9 min	28 min	31.1 min	26.4 min	94th	85th of 421
Per capita incomeStrength	$74,584	$49,074	$52,979	$44,673	93rd	50th of 446
Bachelor's degree or higherStrength	64.2%	42.3%	43.4%	35.7%	92nd	48th of 445
Broadband accessStrength	97%	91.4%	92.4%	91%	92nd	102nd of 441
Residents under 18	27.1%	21.9%	22.2%	22%	87th	47th of 446
Work from home	23.5%	16.5%	19.3%	15.1%	85th	108th of 444
Tech workers	5.5%	5.2%	6.4%	3.8%	83rd	188th of 444
Self-employed workers	13%	8.2%	8.7%	10%	83rd	112th of 444
Median home value	$580,900	$349,300	$419,900	$332,700	80th	84th of 421
Veterans	7.2%	5.8%	6.8%	6.2%	69th	212th of 446
Government workers	15.9%	19.1%	22.5%	14.5%	65th	349th of 444
Median age	40.8	39.7	39.4	38.9	63rd	253rd of 446
Residents 65 and older	16.6%	18.1%	16.7%	17.2%	50th	267th of 446
Median gross rent	$1,271	$1,627	$1,705	$1,413	41st	251st of 338
Healthcare workers	8.3%	10.8%	9%	9.7%	32nd	210th of 444
Foreign-born residents	3.9%	13.2%	16.6%	14.1%	23rd	285th of 446
Population density	177/sq mi	1,422/sq mi	639/sq mi	95/sq mi	19th	306th of 446
Income inequality (Gini)Strength	0.398	0.458	0.456	0.483	19th	243rd of 438
Diversity index	25.2	63.6	67.7	61.4	18th	332nd of 446
Population	7,440	850,796	6,206,011	334,922,499	12th	203rd of 446
Unemployment rateStrength	1.7%	4.9%	4.9%	5.2%	4th	354th of 444
Poverty rateStrength	2.8%	9.8%	9.4%	12.5%	2nd	362nd of 441
Uninsured rateStrength	1.3%	5.4%	6.3%	8.4%	2nd	365th of 444
Rent-burdened rentersStrength	20.4%	54.2%	51.5%	51.1%	2nd	349th of 404
Housing vacancy	0.9%	5.1%	7.7%	10.1%	1st	390th of 441

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

10%

Under 5

17%

5–17

18–24

25–34

15%

35–44

13%

45–54

16%

55–64

11%

65–74

75+

Median age

40.8

Under 18

27.1%

65 and over

16.6%

Race and ethnicity

White86%
Black2%
Hispanic5%
Asian2%
Native American0%
Pacific Islander0%
Other1%
Multiracial4%

Diversity index

25.2

U.S. 61.4

Foreign-born

3.9%

U.S. 14.1%

Born in state

65.3%

Language spoken at home (households)

English only

96%

Spanish

0.8%

Other Indo-European

Asian / Pacific

0.7%

Other

0.7%

Households

Households: 2,599
Average household size: 2.9
Family households: 85%
Married couples: 80.3%
Living alone: 12.3%
Veterans (of adults): 7.2%
Male / female: 50% / 50%

Income and poverty

Household income distribution

<$25k

$25–50k

$50–75k

$75–100k

$100–150k

24%

$150–200k

14%

$200k+

43%

Median household income

21120

$162,052

Baltimore Co.

$91,768

Maryland

$103,678

United States

$80,734

Per capita income

$74,584

U.S. $44,673

Poverty rate

2.8%

U.S. 12.5%

Households earning $150K+

57.4%

U.S. 23%

Income inequality (Gini)

0.398

U.S. 0.483

Housing

Median home value

21120

$580,900

Baltimore Co.

$349,300

Maryland

$419,900

United States

$332,700

Median gross rent

21120

$1,271

Baltimore Co.

$1,627

Maryland

$1,705

United States

$1,413

Types of housing

Single-family

99%

2–4 units

0.4%

5–19 units

20+ units

Mobile home

0.2%

Boat, RV, van

Housing units: 2,622
Owner-occupied: 93.8%
Vacant: 0.9%
Median year built: 1987
Median rooms: 9 or more
Renters paying 30%+ of income: 20.4%
Renters paying 50%+ of income: 11.5%
Home value to income: 3.6× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

67%

Carpooled

Transit

0.7%

Walked

Bicycle

Worked from home

23%

Other

0.7%

Commute time (one way)

<10 min

10–19

13%

20–29

22%

30–44

25%

45–59

26%

60+

11%

Average commute

36.9 min

U.S. 26.4 min

Unemployment

1.7%

U.S. 5.2%

In labor force

71.9%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

20%

Business and finance

12%

Sales

10%

Construction and repair

Healthcare

Education

Office and admin

Legal and social services

Computer and math

Cleaning and personal care

Food service

Engineering and science

Transportation and moving

Police and fire

Production

Arts, media and sports

0.8%

Farming, fishing and forestry

Industries

Professional and technical services

18%

Health care and social assistance

12%

Education

12%

Finance, insurance and real estate

Public administration

Retail

Manufacturing

Construction

Transportation, warehousing and utilities

Other services

Restaurants and hotels

Admin, support and management

Arts and recreation

Wholesale

Information

0.9%

Agriculture and mining

0.8%

Median earnings per worker

$98,469

U.S. $49,666

Self-employed

13%

U.S. 10%

Government workers

15.9%

U.S. 14.5%

Nonprofit workers

11.2%

U.S. 8.8%

Median earnings by type of work

Type of work	21120	U.S.
Management, business, science and arts	$104,545	$74,888
Service	$18,794	$26,804
Sales and office	$88,194	$40,476
Construction and maintenance	$77,647	$49,199
Production and transportation	$70,781	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

15%

Some college

12%

Associate's

Bachelor's

35%

Graduate

29%

High school graduate or higher: 97.4%
Bachelor's degree or higher: 64.2%
Graduate or professional degree: 29.4%
Households with broadband: 97%
Cable, fiber or DSL: 81.8%
No internet access: 2%
Without health insurance: 1.3%
Limited-English households: 0%

Geography

City (USPS): Parkton
State: Maryland
County: Baltimore County
Center point: 39.6462° N, 76.6749° W
Land area: 42 sq mi
Water area: 0.7 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Zip codes near 21120

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
21053	Freeland, MD	4.1 mi	2,929	$89,497	$408,300
21105	Maryland Line, MD	4.9 mi	36	—	—
21161	White Hall, MD	5.9 mi	5,221	$108,094	$472,600
21152	Sparks Glencoe, MD	6.3 mi	6,459	$121,350	$495,700
21111	Monkton, MD	6.7 mi	4,714	$136,304	$607,200
17349	New Freedom, PA	6.9 mi	8,254	$120,618	$368,900
17355	Railroad, PA	7.9 mi	322	—	$221,400
17361	Shrewsbury, PA	8.3 mi	6,156	$104,958	$297,900
21155	Upperco, MD	8.6 mi	3,313	$123,158	$479,500
21074	Hampstead, MD	8.9 mi	14,777	$108,536	$378,100
21030	Cockeysville, MD	9.1 mi	25,827	$89,015	$450,700
21023	Butler, MD	9.2 mi	66	$84,474	$881,600

Zip codes like 21120 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Cumberland Center, ME

Questions about 21120

What city is zip code 21120?

21120 is assigned to Parkton, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 21120 in?

21120 is in Baltimore County, Maryland.

What is the population of 21120?

About 7,440 people live in 21120, according to the Census Bureau's American Community Survey.

What time zone is 21120 in?

21120 is in Eastern Time.

What is the median household income in 21120?

The median household income in 21120 is $162,052.

What zip codes are near 21120?

The closest zip codes to 21120 are 21053, 21105, 21161, 21152, 21111.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21120, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.