Zip code 21075: Elkridge, Maryland

Q: What city is zip code 21075?

21075 is assigned to Elkridge, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 21075 in?

21075 is in Howard County, Maryland.

Q: What is the population of 21075?

About 37,363 people live in 21075, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 21075?

The median household income in 21075 is $135,303.

Q: What zip codes are near 21075?

The closest zip codes to 21075 are 21076, 21077, 21250, 21045, 20794.

Residential delivery areaHoward CountyEastern Time

Population

37,363

Median household income

$135K

U.S. $81K

Median home value

$455K

U.S. $333K

Median rent

$2,183/mo

U.S. $1,413

Median age

34.1

U.S. 38.9

Land area

14 sq mi

2,682 people/sq mi

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

About 21075

21075 is an urban zip code in Elkridge, Maryland (Howard County), covering 14 sq mi of land. About 37,363 people live here, or 2,682 per square mile. The median resident is 34.1 years old, compared with 38.9 nationally.

The median household earns $135,303 a year, 68% above the national median of $80,734. 7.7% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $455,300, or 3.4 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 64% of occupied homes are lived in by their owners, and renters pay a median of $2,183 a month.

60% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 28.1 minutes each way, and 24% of workers work from home. The most common jobs among working residents are in management; computer and math (tech); and business and finance. 31% of households speak a language other than English at home, most often an Asian or Pacific Island language.

How 21075 compares

Sorted from highest to lowest national percentile

Diversity index73.7
98th
U.S. 61.4 · MD 67.79th of 446 in MD
Tech workers13.2%
98th
U.S. 3.8% · MD 6.4%27th of 444 in MD
Broadband access97.8%
97th
StrengthU.S. 91% · MD 92.4%75th of 441 in MD
Median earnings per worker$78,689
92nd
StrengthU.S. $49,666 · MD $61,200101st of 443 in MD
Government workers23.5%
92nd
U.S. 14.5% · MD 22.5%165th of 444 in MD
Median household income$135,303
91st
StrengthU.S. $80,734 · MD $103,678116th of 414 in MD
Median gross rent$2,183
89th
U.S. $1,413 · MD $1,70553rd of 338 in MD
Bachelor's degree or higher59.9%
89th
StrengthU.S. 35.7% · MD 43.4%65th of 445 in MD
Residents under 1827.6%
89th
U.S. 22% · MD 22.2%38th of 446 in MD
Work from home24.1%
86th
U.S. 15.1% · MD 19.3%98th of 444 in MD
Foreign-born residents24%
80th
U.S. 14.1% · MD 16.6%53rd of 446 in MD
Per capita income$53,780
78th
U.S. $44,673 · MD $52,979203rd of 446 in MD
Median home value$455,300
70th
U.S. $332,700 · MD $419,900169th of 421 in MD
Population density2,682/sq mi
64th
U.S. 95/sq mi · MD 639/sq mi93rd of 446 in MD
Population37,363
63rd
U.S. 334,922,499 · MD 6,206,01155th of 446 in MD
Average commute28.1 min
63rd
U.S. 26.4 min · MD 31.1 min306th of 421 in MD
Rent-burdened renters53.7%
62nd
U.S. 51.1% · MD 51.5%155th of 404 in MD
Homeownership rate64.1%
40th
U.S. 65.2% · MD 67.6%354th of 441 in MD
Unemployment rate3.9%
32nd
U.S. 5.2% · MD 4.9%223rd of 444 in MD
Veterans4.5%
32nd
U.S. 6.2% · MD 6.8%352nd of 446 in MD
Poverty rate7.7%
30th
U.S. 12.5% · MD 9.4%194th of 441 in MD
Healthcare workers7.9%
26th
U.S. 9.7% · MD 9%229th of 444 in MD
Self-employed workers7.1%
21st
U.S. 10% · MD 8.7%298th of 444 in MD
Uninsured rate3.6%
18th
StrengthU.S. 8.4% · MD 6.3%227th of 444 in MD
Median age34.1
16th
U.S. 38.9 · MD 39.4405th of 446 in MD
Housing vacancy3%
11th
U.S. 10.1% · MD 7.7%325th of 441 in MD
Income inequality (Gini)0.376
8th
StrengthU.S. 0.483 · MD 0.456306th of 438 in MD
Residents 65 and older8.3%
4th
U.S. 17.2% · MD 16.7%418th of 446 in MD

Measure	21075	Howard	MD	U.S.	National percentile	Rank in MD
Diversity index	73.7	70.3	67.7	61.4	98th	9th of 446
Tech workers	13.2%	11.9%	6.4%	3.8%	98th	27th of 444
Broadband accessStrength	97.8%	96.6%	92.4%	91%	97th	75th of 441
Median earnings per workerStrength	$78,689	$83,801	$61,200	$49,666	92nd	101st of 443
Government workers	23.5%	22.9%	22.5%	14.5%	92nd	165th of 444
Median household incomeStrength	$135,303	$149,763	$103,678	$80,734	91st	116th of 414
Median gross rent	$2,183	$2,099	$1,705	$1,413	89th	53rd of 338
Bachelor's degree or higherStrength	59.9%	64.5%	43.4%	35.7%	89th	65th of 445
Residents under 18	27.6%	23.8%	22.2%	22%	89th	38th of 446
Work from home	24.1%	26%	19.3%	15.1%	86th	98th of 444
Foreign-born residents	24%	22.8%	16.6%	14.1%	80th	53rd of 446
Per capita income	$53,780	$67,501	$52,979	$44,673	78th	203rd of 446
Median home value	$455,300	$597,900	$419,900	$332,700	70th	169th of 421
Population density	2,682/sq mi	1,340/sq mi	639/sq mi	95/sq mi	64th	93rd of 446
Population	37,363	336,328	6,206,011	334,922,499	63rd	55th of 446
Average commute	28.1 min	28.5 min	31.1 min	26.4 min	63rd	306th of 421
Rent-burdened renters	53.7%	47.7%	51.5%	51.1%	62nd	155th of 404
Homeownership rate	64.1%	71.5%	67.6%	65.2%	40th	354th of 441
Unemployment rate	3.9%	3.5%	4.9%	5.2%	32nd	223rd of 444
Veterans	4.5%	6%	6.8%	6.2%	32nd	352nd of 446
Poverty rate	7.7%	5.2%	9.4%	12.5%	30th	194th of 441
Healthcare workers	7.9%	9.7%	9%	9.7%	26th	229th of 444
Self-employed workers	7.1%	9.2%	8.7%	10%	21st	298th of 444
Uninsured rateStrength	3.6%	4.2%	6.3%	8.4%	18th	227th of 444
Median age	34.1	39.8	39.4	38.9	16th	405th of 446
Housing vacancy	3%	3.4%	7.7%	10.1%	11th	325th of 441
Income inequality (Gini)Strength	0.376	0.414	0.456	0.483	8th	306th of 438
Residents 65 and older	8.3%	15.2%	16.7%	17.2%	4th	418th of 446

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

20%

5–17

18–24

18%

25–34

16%

35–44

12%

45–54

11%

55–64

65–74

75+

Median age

34.1

Under 18

27.6%

65 and over

8.3%

Race and ethnicity

White38%
Black24%
Hispanic11%
Asian22%
Native American0.1%
Pacific Islander0%
Other0.3%
Multiracial5%

Diversity index

73.7

U.S. 61.4

Foreign-born

24%

U.S. 14.1%

Born in state

44.9%

Language spoken at home (households)

English only

69%

Spanish

Other Indo-European

Asian / Pacific

14%

Other

Households

Households: 13,038
Average household size: 2.9
Family households: 70.6%
Married couples: 54.3%
Living alone: 19.9%
Veterans (of adults): 4.5%
Male / female: 49% / 51%

Income and poverty

Household income distribution

<$25k

$25–50k

10%

$50–75k

11%

$75–100k

10%

$100–150k

19%

$150–200k

13%

$200k+

30%

Median household income

21075

$135,303

Howard Co.

$149,763

Maryland

$103,678

United States

$80,734

Per capita income

$53,780

U.S. $44,673

Poverty rate

7.7%

U.S. 12.5%

Households earning $150K+

43.4%

U.S. 23%

Income inequality (Gini)

0.376

U.S. 0.483

Housing

Median home value

21075

$455,300

Howard Co.

$597,900

Maryland

$419,900

United States

$332,700

Median gross rent

21075

$2,183

Howard Co.

$2,099

Maryland

$1,705

United States

$1,413

Types of housing

Single-family

65%

2–4 units

5–19 units

11%

20+ units

16%

Mobile home

Boat, RV, van

0.2%

Housing units: 13,443
Owner-occupied: 64.1%
Vacant: 3%
Median year built: 2000
Median rooms: 5.7
Renters paying 30%+ of income: 53.7%
Renters paying 50%+ of income: 29.3%
Home value to income: 3.4× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

66%

Carpooled

Transit

Walked

0.7%

Bicycle

Worked from home

24%

Other

0.9%

Commute time (one way)

<10 min

10–19

29%

20–29

25%

30–44

21%

45–59

60+

10%

Average commute

28.1 min

U.S. 26.4 min

Unemployment

3.9%

U.S. 5.2%

In labor force

75.5%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

14%

Computer and math

13%

Business and finance

10%

Engineering and science

Healthcare

Education

Office and admin

Sales

Transportation and moving

Construction and repair

Legal and social services

Cleaning and personal care

Police and fire

Food service

Production

Arts, media and sports

Farming, fishing and forestry

0.1%

Industries

Professional and technical services

20%

Health care and social assistance

12%

Education

11%

Public administration

11%

Retail

Finance, insurance and real estate

Manufacturing

Construction

Transportation, warehousing and utilities

Restaurants and hotels

Other services

Admin, support and management

Arts and recreation

Information

Wholesale

Agriculture and mining

0.0%

Median earnings per worker

$78,689

U.S. $49,666

Self-employed

7.1%

U.S. 10%

Government workers

23.5%

U.S. 14.5%

Nonprofit workers

8.1%

U.S. 8.8%

Median earnings by type of work

Type of work	21075	U.S.
Management, business, science and arts	$97,412	$74,888
Service	$38,500	$26,804
Sales and office	$47,900	$40,476
Construction and maintenance	$66,667	$49,199
Production and transportation	$41,636	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

14%

Some college

15%

Associate's

Bachelor's

33%

Graduate

27%

High school graduate or higher: 94.6%
Bachelor's degree or higher: 59.9%
Graduate or professional degree: 27.1%
Households with broadband: 97.8%
Cable, fiber or DSL: 90.4%
No internet access: 1.6%
Without health insurance: 3.6%
Limited-English households: 3.1%

Geography

City (USPS): Elkridge
State: Maryland
County: Howard County
Center point: 39.2031° N, 76.7507° W
Land area: 14 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

Elkridge (unincorporated)50% of zip
Ilchester (unincorporated)47% of zip
Columbia (unincorporated)2% of zip

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

Zip codes near 21075

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
21076	Hanover, MD	2.6 mi	24,268	$146,869	$513,300
21077	Harmans, MD	4.1 mi	63	—	—
21250	Baltimore, MD	4.2 mi	2,834	—	—
21045	Columbia, MD	4.2 mi	40,034	$118,563	$453,700
20794	Jessup, MD	4.3 mi	16,814	$116,406	$426,100
21043	Ellicott City, MD	4.5 mi	48,525	$148,125	$620,900
21090	Linthicum Heights, MD	4.6 mi	10,652	$138,119	$410,400
21227	Halethorpe, MD	4.6 mi	34,907	$85,986	$289,400
21240	Baltimore, MD	4.7 mi	0	—	—
21228	Catonsville, MD	4.8 mi	50,492	$112,656	$404,700
21046	Columbia, MD	5 mi	15,608	$127,813	$479,500
20701	Annapolis Junction, MD	5.3 mi	513	$85,594	—

Zip codes like 21075 elsewhere

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

Questions about 21075

What city is zip code 21075?

21075 is assigned to Elkridge, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 21075 in?

21075 is in Howard County, Maryland.

What is the population of 21075?

About 37,363 people live in 21075, according to the Census Bureau's American Community Survey.

What time zone is 21075 in?

21075 is in Eastern Time.

What is the median household income in 21075?

The median household income in 21075 is $135,303.

What zip codes are near 21075?

The closest zip codes to 21075 are 21076, 21077, 21250, 21045, 20794.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21075, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.