Zip code 21084: Jarrettsville, Maryland

Q: What city is zip code 21084?

21084 is assigned to Jarrettsville, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 21084 in?

21084 is in Harford County, Maryland.

Q: What is the population of 21084?

About 7,070 people live in 21084, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 21084?

The median household income in 21084 is $121,509.

Q: What zip codes are near 21084?

The closest zip codes to 21084 are 21050, 21161, 21132, 21047, 21154.

Residential delivery areaHarford CountyEastern Time

Population

7,070

Median household income

$122K

U.S. $81K

Median home value

$448K

U.S. $333K

Median rent

—

U.S. $1,413

Median age

U.S. 38.9

Land area

24 sq mi

298 people/sq mi

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

About 21084

21084 is a small-town zip code in Jarrettsville, Maryland (Harford County), covering 24 sq mi of land. About 7,070 people live here, or 298 per square mile. The median resident is 44 years old, compared with 38.9 nationally.

The median household earns $121,509 a year, 51% above the national median of $80,734. 5.7% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $448,400, or 3.7 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.

43% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 39.2 minutes each way, and 14% of workers work from home. The most common jobs among working residents are in management; healthcare; and business and finance.

How 21084 compares

Sorted from highest to lowest national percentile

Homeownership rate93.6%
99th
StrengthU.S. 65.2% · MD 67.6%80th of 441 in MD
Average commute39.2 min
96th
WeaknessU.S. 26.4 min · MD 31.1 min57th of 421 in MD
Residents 65 and older25.6%
93rd
U.S. 17.2% · MD 16.7%75th of 446 in MD
Median earnings per worker$81,216
93rd
StrengthU.S. $49,666 · MD $61,20086th of 443 in MD
Tech workers6.3%
87th
U.S. 3.8% · MD 6.4%156th of 444 in MD
Government workers20.6%
86th
U.S. 14.5% · MD 22.5%245th of 444 in MD
Median household income$121,509
85th
StrengthU.S. $80,734 · MD $103,678159th of 414 in MD
Per capita income$58,001
83rd
StrengthU.S. $44,673 · MD $52,979159th of 446 in MD
Median age44
82nd
U.S. 38.9 · MD 39.4165th of 446 in MD
Healthcare workers11.6%
78th
U.S. 9.7% · MD 9%80th of 444 in MD
Bachelor's degree or higher42.9%
70th
U.S. 35.7% · MD 43.4%178th of 445 in MD
Median home value$448,400
69th
U.S. $332,700 · MD $419,900186th of 421 in MD
Broadband access94.2%
68th
U.S. 91% · MD 92.4%195th of 441 in MD
Veterans7.1%
67th
U.S. 6.2% · MD 6.8%224th of 446 in MD
Unemployment rate5.5%
61st
U.S. 5.2% · MD 4.9%130th of 444 in MD
Work from home14.3%
58th
U.S. 15.1% · MD 19.3%264th of 444 in MD
Residents under 1821.8%
47th
U.S. 22% · MD 22.2%212th of 446 in MD
Income inequality (Gini)0.412
30th
U.S. 0.483 · MD 0.456196th of 438 in MD
Self-employed workers7.5%
26th
U.S. 10% · MD 8.7%281st of 444 in MD
Population density298/sq mi
25th
U.S. 95/sq mi · MD 639/sq mi256th of 446 in MD
Foreign-born residents3.1%
19th
U.S. 14.1% · MD 16.6%309th of 446 in MD
Poverty rate5.7%
16th
StrengthU.S. 12.5% · MD 9.4%255th of 441 in MD
Population7,070
11th
U.S. 334,922,499 · MD 6,206,011208th of 446 in MD
Diversity index16.9
10th
U.S. 61.4 · MD 67.7372nd of 446 in MD
Uninsured rate2.4%
8th
StrengthU.S. 8.4% · MD 6.3%310th of 444 in MD
Rent-burdened renters29.8%
5th
StrengthU.S. 51.1% · MD 51.5%327th of 404 in MD
Housing vacancy1.5%
2nd
U.S. 10.1% · MD 7.7%381st of 441 in MD

Measure	21084	Harford	MD	U.S.	National percentile	Rank in MD
Homeownership rateStrength	93.6%	79.7%	67.6%	65.2%	99th	80th of 441
Average commuteWeakness	39.2 min	32.1 min	31.1 min	26.4 min	96th	57th of 421
Residents 65 and older	25.6%	17.4%	16.7%	17.2%	93rd	75th of 446
Median earnings per workerStrength	$81,216	$65,599	$61,200	$49,666	93rd	86th of 443
Tech workers	6.3%	5.7%	6.4%	3.8%	87th	156th of 444
Government workers	20.6%	22.5%	22.5%	14.5%	86th	245th of 444
Median household incomeStrength	$121,509	$112,265	$103,678	$80,734	85th	159th of 414
Per capita incomeStrength	$58,001	$51,717	$52,979	$44,673	83rd	159th of 446
Median age	44	40.5	39.4	38.9	82nd	165th of 446
Healthcare workers	11.6%	9.3%	9%	9.7%	78th	80th of 444
Bachelor's degree or higher	42.9%	40.3%	43.4%	35.7%	70th	178th of 445
Median home value	$448,400	$386,400	$419,900	$332,700	69th	186th of 421
Broadband access	94.2%	92.6%	92.4%	91%	68th	195th of 441
Veterans	7.1%	8.6%	6.8%	6.2%	67th	224th of 446
Unemployment rate	5.5%	3.8%	4.9%	5.2%	61st	130th of 444
Work from home	14.3%	14.9%	19.3%	15.1%	58th	264th of 444
Residents under 18	21.8%	22.3%	22.2%	22%	47th	212th of 446
Income inequality (Gini)	0.412	0.408	0.456	0.483	30th	196th of 438
Self-employed workers	7.5%	7.2%	8.7%	10%	26th	281st of 444
Population density	298/sq mi	603/sq mi	639/sq mi	95/sq mi	25th	256th of 446
Foreign-born residents	3.1%	5.9%	16.6%	14.1%	19th	309th of 446
Poverty rateStrength	5.7%	7.1%	9.4%	12.5%	16th	255th of 441
Population	7,070	263,757	6,206,011	334,922,499	11th	208th of 446
Diversity index	16.9	46.1	67.7	61.4	10th	372nd of 446
Uninsured rateStrength	2.4%	3.6%	6.3%	8.4%	8th	310th of 444
Rent-burdened rentersStrength	29.8%	48.9%	51.5%	51.1%	5th	327th of 404
Housing vacancy	1.5%	3.5%	7.7%	10.1%	2nd	381st 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

Under 5

18%

5–17

18–24

25–34

16%

35–44

45–54

15%

55–64

15%

65–74

10%

75+

Median age

Under 18

21.8%

65 and over

25.6%

Race and ethnicity

White91%
Black0.5%
Hispanic0.8%
Asian3%
Native American0%
Pacific Islander0%
Other1.0%
Multiracial4%

Diversity index

16.9

U.S. 61.4

Foreign-born

3.1%

U.S. 14.1%

Born in state

80.6%

Language spoken at home (households)

English only

94%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 2,724
Average household size: 2.6
Family households: 77.4%
Married couples: 67.1%
Living alone: 18.9%
Veterans (of adults): 7.1%
Male / female: 52% / 48%

Income and poverty

Household income distribution

<$25k

$25–50k

10%

$50–75k

11%

$75–100k

$100–150k

28%

$150–200k

17%

$200k+

19%

Median household income

21084

$121,509

Harford Co.

$112,265

Maryland

$103,678

United States

$80,734

Per capita income

$58,001

U.S. $44,673

Poverty rate

5.7%

U.S. 12.5%

Households earning $150K+

35.9%

U.S. 23%

Income inequality (Gini)

0.412

U.S. 0.483

Housing

Median home value

21084

$448,400

Harford Co.

$386,400

Maryland

$419,900

United States

$332,700

Median gross rent

21084

—

Harford Co.

$1,586

Maryland

$1,705

United States

$1,413

Types of housing

Single-family

96%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 2,765
Owner-occupied: 93.6%
Vacant: 1.5%
Median year built: 1978
Median rooms: 7.8
Renters paying 30%+ of income: 29.8%
Renters paying 50%+ of income: 19.1%
Home value to income: 3.7× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

79%

Carpooled

Transit

Walked

0.4%

Bicycle

Worked from home

14%

Other

0.5%

Commute time (one way)

<10 min

10–19

10%

20–29

17%

30–44

25%

45–59

20%

60+

23%

Average commute

39.2 min

U.S. 26.4 min

Unemployment

5.5%

U.S. 5.2%

In labor force

64.3%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

15%

Healthcare

12%

Business and finance

Construction and repair

Engineering and science

Sales

Education

Office and admin

Computer and math

Food service

Police and fire

Transportation and moving

Cleaning and personal care

Arts, media and sports

Production

Legal and social services

0.4%

Farming, fishing and forestry

Industries

Health care and social assistance

17%

Education

13%

Public administration

11%

Manufacturing

11%

Construction

10%

Professional and technical services

Retail

Finance, insurance and real estate

Other services

Restaurants and hotels

Transportation, warehousing and utilities

Information

Wholesale

Admin, support and management

Arts and recreation

0.8%

Agriculture and mining

0.3%

Median earnings per worker

$81,216

U.S. $49,666

Self-employed

7.5%

U.S. 10%

Government workers

20.6%

U.S. 14.5%

Nonprofit workers

10.7%

U.S. 8.8%

Median earnings by type of work

Type of work	21084	U.S.
Management, business, science and arts	$87,160	$74,888
Service	$18,409	$26,804
Sales and office	$51,726	$40,476
Construction and maintenance	$67,250	$49,199
Production and transportation	$71,618	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

23%

Some college

20%

Associate's

11%

Bachelor's

28%

Graduate

15%

High school graduate or higher: 97.5%
Bachelor's degree or higher: 42.9%
Graduate or professional degree: 14.8%
Households with broadband: 94.2%
Cable, fiber or DSL: 78.4%
No internet access: 1.1%
Without health insurance: 2.4%
Limited-English households: 0%

Geography

City (USPS): Jarrettsville
State: Maryland
County: Harford County
Center point: 39.6136° N, 76.4664° W
Land area: 24 sq mi
Water area: 0.1 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Jarrettsville (unincorporated)33% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 21084

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
21050	Forest Hill, MD	4.4 mi	17,466	$125,208	$456,800
21161	White Hall, MD	6.1 mi	5,221	$108,094	$472,600
21132	Pylesville, MD	6.1 mi	3,160	$132,288	$485,600
21047	Fallston, MD	6.2 mi	13,852	$157,500	$552,500
21154	Street, MD	6.4 mi	6,544	$97,658	$455,400
21111	Monkton, MD	7.1 mi	4,714	$136,304	$607,200
21013	Baldwin, MD	7.2 mi	5,610	$171,354	$572,100
21014	Bel Air, MD	8.1 mi	38,707	$116,970	$429,900
21018	Benson, MD · PO box	8.4 mi	—	—	—
21082	Hydes, MD	9.4 mi	626	$145,571	$485,500
17321	Fawn Grove, PA	9.5 mi	2,419	$114,205	$291,200
21051	Fork, MD	9.7 mi	172	$232,721	$698,500

Zip codes like 21084 elsewhere

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

Questions about 21084

What city is zip code 21084?

21084 is assigned to Jarrettsville, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 21084 in?

21084 is in Harford County, Maryland.

What is the population of 21084?

About 7,070 people live in 21084, according to the Census Bureau's American Community Survey.

What time zone is 21084 in?

21084 is in Eastern Time.

What is the median household income in 21084?

The median household income in 21084 is $121,509.

What zip codes are near 21084?

The closest zip codes to 21084 are 21050, 21161, 21132, 21047, 21154.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21084, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.