Zip code 21029: Clarksville, Maryland

Q: What city is zip code 21029?

21029 is assigned to Clarksville, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 21029 in?

21029 is in Howard County, Maryland.

Q: What is the population of 21029?

About 13,607 people live in 21029, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 21029?

The median household income in 21029 is $243,542.

Q: What zip codes are near 21029?

The closest zip codes to 21029 are 21041, 21150, 20777, 21036, 20862.

Residential delivery areaHoward CountyEastern Time

Population

13,607

Median household income

$244K

U.S. $81K

Median home value

$912K

U.S. $333K

Median rent

$3,500+/mo

U.S. $1,413

Median age

43.1

U.S. 38.9

Land area

17 sq mi

804 people/sq mi

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

About 21029

21029 is a suburban zip code in Clarksville, Maryland (Howard County), covering 17 sq mi of land. About 13,607 people live here, or 804 per square mile. The median resident is 43.1 years old, compared with 38.9 nationally.

The median household earns $243,542 a year, about 3.0× the national median of $80,734. 1.1% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $912,100, 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, and renters pay a median of $3,500+ a month.

81% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 32.4 minutes each way, and 26% of workers work from home. The most common jobs among working residents are in management; computer and math (tech); and healthcare. 51% of households speak a language other than English at home, most often an Asian or Pacific Island language.

How 21029 compares

Sorted from highest to lowest national percentile

Median household income$243,542
99th
StrengthU.S. $80,734 · MD $103,67810th of 414 in MD
Median gross rent$3,500+
99th
U.S. $1,413 · MD $1,7054th of 338 in MD
Bachelor's degree or higher81.4%
99th
StrengthU.S. 35.7% · MD 43.4%16th of 445 in MD
Homeownership rate93.6%
99th
StrengthU.S. 65.2% · MD 67.6%81st of 441 in MD
Median earnings per worker$122,277
99th
StrengthU.S. $49,666 · MD $61,20014th of 443 in MD
Tech workers13.4%
99th
U.S. 3.8% · MD 6.4%24th of 444 in MD
Broadband access98.1%
98th
StrengthU.S. 91% · MD 92.4%65th of 441 in MD
Per capita income$89,689
97th
StrengthU.S. $44,673 · MD $52,97921st of 446 in MD
Government workers25.1%
95th
U.S. 14.5% · MD 22.5%136th of 444 in MD
Median home value$912,100
94th
U.S. $332,700 · MD $419,90018th of 421 in MD
Work from home26.4%
90th
U.S. 15.1% · MD 19.3%67th of 444 in MD
Residents under 1827.7%
89th
U.S. 22% · MD 22.2%37th of 446 in MD
Foreign-born residents30.7%
88th
U.S. 14.1% · MD 16.6%36th of 446 in MD
Average commute32.4 min
85th
WeaknessU.S. 26.4 min · MD 31.1 min183rd of 421 in MD
Diversity index64.4
82nd
U.S. 61.4 · MD 67.773rd of 446 in MD
Healthcare workers11.9%
80th
U.S. 9.7% · MD 9%75th of 444 in MD
Self-employed workers12.5%
80th
U.S. 10% · MD 8.7%117th of 444 in MD
Median age43.1
78th
U.S. 38.9 · MD 39.4188th of 446 in MD
Population density804/sq mi
40th
U.S. 95/sq mi · MD 639/sq mi175th of 446 in MD
Residents 65 and older12.8%
22nd
U.S. 17.2% · MD 16.7%371st of 446 in MD
Population13,607
21st
U.S. 334,922,499 · MD 6,206,011164th of 446 in MD
Veterans3%
15th
U.S. 6.2% · MD 6.8%402nd of 446 in MD
Rent-burdened renters38%
12th
StrengthU.S. 51.1% · MD 51.5%299th of 404 in MD
Uninsured rate2.5%
9th
StrengthU.S. 8.4% · MD 6.3%297th of 444 in MD
Unemployment rate1.9%
5th
StrengthU.S. 5.2% · MD 4.9%347th of 444 in MD
Income inequality (Gini)0.362
4th
StrengthU.S. 0.483 · MD 0.456338th of 438 in MD
Housing vacancy1.6%
2nd
U.S. 10.1% · MD 7.7%380th of 441 in MD
Poverty rate1.1%
1st
StrengthU.S. 12.5% · MD 9.4%402nd of 441 in MD

Measure	21029	Howard	MD	U.S.	National percentile	Rank in MD
Median household incomeStrength	$243,542	$149,763	$103,678	$80,734	99th	10th of 414
Median gross rent	$3,500+	$2,099	$1,705	$1,413	99th	4th of 338
Bachelor's degree or higherStrength	81.4%	64.5%	43.4%	35.7%	99th	16th of 445
Homeownership rateStrength	93.6%	71.5%	67.6%	65.2%	99th	81st of 441
Median earnings per workerStrength	$122,277	$83,801	$61,200	$49,666	99th	14th of 443
Tech workers	13.4%	11.9%	6.4%	3.8%	99th	24th of 444
Broadband accessStrength	98.1%	96.6%	92.4%	91%	98th	65th of 441
Per capita incomeStrength	$89,689	$67,501	$52,979	$44,673	97th	21st of 446
Government workers	25.1%	22.9%	22.5%	14.5%	95th	136th of 444
Median home value	$912,100	$597,900	$419,900	$332,700	94th	18th of 421
Work from home	26.4%	26%	19.3%	15.1%	90th	67th of 444
Residents under 18	27.7%	23.8%	22.2%	22%	89th	37th of 446
Foreign-born residents	30.7%	22.8%	16.6%	14.1%	88th	36th of 446
Average commuteWeakness	32.4 min	28.5 min	31.1 min	26.4 min	85th	183rd of 421
Diversity index	64.4	70.3	67.7	61.4	82nd	73rd of 446
Healthcare workers	11.9%	9.7%	9%	9.7%	80th	75th of 444
Self-employed workers	12.5%	9.2%	8.7%	10%	80th	117th of 444
Median age	43.1	39.8	39.4	38.9	78th	188th of 446
Population density	804/sq mi	1,340/sq mi	639/sq mi	95/sq mi	40th	175th of 446
Residents 65 and older	12.8%	15.2%	16.7%	17.2%	22nd	371st of 446
Population	13,607	336,328	6,206,011	334,922,499	21st	164th of 446
Veterans	3%	6%	6.8%	6.2%	15th	402nd of 446
Rent-burdened rentersStrength	38%	47.7%	51.5%	51.1%	12th	299th of 404
Uninsured rateStrength	2.5%	4.2%	6.3%	8.4%	9th	297th of 444
Unemployment rateStrength	1.9%	3.5%	4.9%	5.2%	5th	347th of 444
Income inequality (Gini)Strength	0.362	0.414	0.456	0.483	4th	338th of 438
Housing vacancy	1.6%	3.4%	7.7%	10.1%	2nd	380th of 441
Poverty rateStrength	1.1%	5.2%	9.4%	12.5%	1st	402nd 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

25%

5–17

18–24

25–34

12%

35–44

20%

45–54

15%

55–64

65–74

75+

Median age

43.1

Under 18

27.7%

65 and over

12.8%

Race and ethnicity

White41%
Black7%
Hispanic4%
Asian42%
Native American0.3%
Pacific Islander0.6%
Other0.9%
Multiracial4%

Diversity index

64.4

U.S. 61.4

Foreign-born

30.7%

U.S. 14.1%

Born in state

36.4%

Language spoken at home (households)

English only

49%

Spanish

Other Indo-European

17%

Asian / Pacific

28%

Other

Households

Households: 4,056
Average household size: 3.4
Family households: 92.8%
Married couples: 85.7%
Living alone: 4.9%
Veterans (of adults): 3%
Male / female: 51% / 49%

Income and poverty

Household income distribution

<$25k

$25–50k

$50–75k

$75–100k

$100–150k

10%

$150–200k

12%

$200k+

65%

Median household income

21029

$243,542

Howard Co.

$149,763

Maryland

$103,678

United States

$80,734

Per capita income

$89,689

U.S. $44,673

Poverty rate

1.1%

U.S. 12.5%

Households earning $150K+

77.1%

U.S. 23%

Income inequality (Gini)

0.362

U.S. 0.483

Housing

Median home value

21029

$912,100

Howard Co.

$597,900

Maryland

$419,900

United States

$332,700

Median gross rent

21029

$3,500+

Howard Co.

$2,099

Maryland

$1,705

United States

$1,413

Types of housing

Single-family

96%

2–4 units

5–19 units

0.6%

20+ units

Mobile home

Boat, RV, van

0.4%

Housing units: 4,124
Owner-occupied: 93.6%
Vacant: 1.6%
Median year built: 1998
Median rooms: 9 or more
Renters paying 30%+ of income: 38%
Renters paying 50%+ of income: 34.2%
Home value to income: 3.7× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

66%

Carpooled

Transit

Walked

0.4%

Bicycle

0.1%

Worked from home

26%

Other

0.2%

Commute time (one way)

<10 min

10–19

20%

20–29

23%

30–44

26%

45–59

13%

60+

12%

Average commute

32.4 min

U.S. 26.4 min

Unemployment

1.9%

U.S. 5.2%

In labor force

70.4%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

19%

Computer and math

13%

Healthcare

12%

Business and finance

10%

Engineering and science

Education

Sales

Legal and social services

Office and admin

Construction and repair

Cleaning and personal care

Arts, media and sports

Food service

Police and fire

Production

0.9%

Transportation and moving

0.6%

Farming, fishing and forestry

0.2%

Industries

Professional and technical services

22%

Education

16%

Public administration

15%

Health care and social assistance

13%

Retail

Other services

Finance, insurance and real estate

Construction

Manufacturing

Admin, support and management

Restaurants and hotels

Arts and recreation

Transportation, warehousing and utilities

Wholesale

Agriculture and mining

Information

0.6%

Median earnings per worker

$122,277

U.S. $49,666

Self-employed

12.5%

U.S. 10%

Government workers

25.1%

U.S. 14.5%

Nonprofit workers

13.1%

U.S. 8.8%

Median earnings by type of work

Type of work	21029	U.S.
Management, business, science and arts	$146,707	$74,888
Service	$23,859	$26,804
Sales and office	$34,612	$40,476
Construction and maintenance	$105,755	$49,199
Production and transportation	$31,845	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

Some college

Associate's

Bachelor's

32%

Graduate

49%

High school graduate or higher: 98.6%
Bachelor's degree or higher: 81.4%
Graduate or professional degree: 49.2%
Households with broadband: 98.1%
Cable, fiber or DSL: 93.2%
No internet access: 1.3%
Without health insurance: 2.5%
Limited-English households: 1.7%

Geography

City (USPS): Clarksville
State: Maryland
County: Howard County
Center point: 39.2136° N, 76.9594° W
Land area: 17 sq mi
Water area: 0.3 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Columbia (unincorporated)16% of zip

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

Zip codes near 21029

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
21041	Ellicott City, MD · PO box	1.8 mi	—	—	—
21150	Simpsonville, MD · PO box	1.8 mi	—	—	—
20777	Highland, MD	2.7 mi	3,221	$226,146	$861,900
21036	Dayton, MD	2.9 mi	2,569	$218,036	$881,300
20862	Brinklow, MD	3.8 mi	430	$189,667	$810,600
21737	Glenelg, MD	4.3 mi	2,474	$250,000+	$996,400
20759	Fulton, MD	4.4 mi	6,624	$250,000+	$954,700
21044	Columbia, MD	4.4 mi	44,114	$135,057	$566,500
20861	Ashton, MD	5 mi	2,890	$163,438	$852,700
20833	Brookeville, MD	5.5 mi	7,860	$204,375	$797,100
21042	Ellicott City, MD	5.6 mi	43,327	$190,061	$706,400
21738	Glenwood, MD	5.8 mi	3,696	$250,000+	$914,300

Zip codes like 21029 elsewhere

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

Questions about 21029

What city is zip code 21029?

21029 is assigned to Clarksville, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 21029 in?

21029 is in Howard County, Maryland.

What is the population of 21029?

About 13,607 people live in 21029, according to the Census Bureau's American Community Survey.

What time zone is 21029 in?

21029 is in Eastern Time.

What is the median household income in 21029?

The median household income in 21029 is $243,542.

What zip codes are near 21029?

The closest zip codes to 21029 are 21041, 21150, 20777, 21036, 20862.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21029, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.