Zip code 21158: Westminster, Maryland

Q: What city is zip code 21158?

21158 is assigned to Westminster, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 21158 in?

21158 is in Carroll County, Maryland.

Q: What is the population of 21158?

About 22,083 people live in 21158, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 21158?

The median household income in 21158 is $109,827.

Q: What zip codes are near 21158?

The closest zip codes to 21158 are 21787, 21157, 17340, 17331, 21776.

Residential delivery areaCarroll CountyEastern Time

Population

22,083

Median household income

$110K

U.S. $81K

Median home value

$385K

U.S. $333K

Median rent

$1,794/mo

U.S. $1,413

Median age

41.6

U.S. 38.9

Land area

73 sq mi

301 people/sq mi

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

About 21158

21158 is a small-town zip code in Westminster, Maryland (Carroll County), covering 73 sq mi of land. About 22,083 people live here, or 301 per square mile. The median resident is 41.6 years old, compared with 38.9 nationally.

The median household earns $109,827 a year, 36% above the national median of $80,734. 6.2% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $384,700, or 3.5 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 79% of occupied homes are lived in by their owners, and renters pay a median of $1,794 a month.

36% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 36.4 minutes each way, and 15% of workers work from home. The most common jobs among working residents are in management; construction and repair; and office and administrative support.

How 21158 compares

Sorted from highest to lowest national percentile

Average commute36.4 min
94th
WeaknessU.S. 26.4 min · MD 31.1 min92nd of 421 in MD
Median earnings per worker$62,480
80th
StrengthU.S. $49,666 · MD $61,200214th of 443 in MD
Median household income$109,827
79th
U.S. $80,734 · MD $103,678196th of 414 in MD
Homeownership rate79.2%
77th
U.S. 65.2% · MD 67.6%243rd of 441 in MD
Per capita income$52,759
76th
U.S. $44,673 · MD $52,979213th of 446 in MD
Median gross rent$1,794
73rd
U.S. $1,413 · MD $1,705120th of 338 in MD
Veterans7.6%
73rd
U.S. 6.2% · MD 6.8%189th of 446 in MD
Median age41.6
69th
U.S. 38.9 · MD 39.4225th of 446 in MD
Government workers16.6%
69th
U.S. 14.5% · MD 22.5%335th of 444 in MD
Residents 65 and older19%
67th
U.S. 17.2% · MD 16.7%185th of 446 in MD
Tech workers3.5%
61st
U.S. 3.8% · MD 6.4%274th of 444 in MD
Median home value$384,700
60th
U.S. $332,700 · MD $419,900246th of 421 in MD
Work from home14.7%
60th
U.S. 15.1% · MD 19.3%251st of 444 in MD
Bachelor's degree or higher36.1%
59th
U.S. 35.7% · MD 43.4%236th of 445 in MD
Self-employed workers9.6%
54th
U.S. 10% · MD 8.7%187th of 444 in MD
Broadband access91.9%
48th
U.S. 91% · MD 92.4%256th of 441 in MD
Residents under 1821.2%
42nd
U.S. 22% · MD 22.2%242nd of 446 in MD
Population22,083
35th
U.S. 334,922,499 · MD 6,206,011117th of 446 in MD
Rent-burdened renters44.7%
28th
U.S. 51.1% · MD 51.5%253rd of 404 in MD
Healthcare workers8%
28th
U.S. 9.7% · MD 9%224th of 444 in MD
Population density301/sq mi
26th
U.S. 95/sq mi · MD 639/sq mi252nd of 446 in MD
Foreign-born residents4.5%
26th
U.S. 14.1% · MD 16.6%269th of 446 in MD
Unemployment rate3.5%
24th
U.S. 5.2% · MD 4.9%255th of 444 in MD
Diversity index28
21st
U.S. 61.4 · MD 67.7314th of 446 in MD
Poverty rate6.2%
20th
StrengthU.S. 12.5% · MD 9.4%234th of 441 in MD
Income inequality (Gini)0.398
20th
StrengthU.S. 0.483 · MD 0.456237th of 438 in MD
Housing vacancy3.6%
17th
U.S. 10.1% · MD 7.7%301st of 441 in MD
Uninsured rate1.9%
5th
StrengthU.S. 8.4% · MD 6.3%332nd of 444 in MD

Measure	21158	Carroll	MD	U.S.	National percentile	Rank in MD
Average commuteWeakness	36.4 min	34.4 min	31.1 min	26.4 min	94th	92nd of 421
Median earnings per workerStrength	$62,480	$65,314	$61,200	$49,666	80th	214th of 443
Median household income	$109,827	$118,211	$103,678	$80,734	79th	196th of 414
Homeownership rate	79.2%	84.3%	67.6%	65.2%	77th	243rd of 441
Per capita income	$52,759	$53,124	$52,979	$44,673	76th	213th of 446
Median gross rent	$1,794	$1,427	$1,705	$1,413	73rd	120th of 338
Veterans	7.6%	7.5%	6.8%	6.2%	73rd	189th of 446
Median age	41.6	41.3	39.4	38.9	69th	225th of 446
Government workers	16.6%	19.7%	22.5%	14.5%	69th	335th of 444
Residents 65 and older	19%	17.9%	16.7%	17.2%	67th	185th of 446
Tech workers	3.5%	5.1%	6.4%	3.8%	61st	274th of 444
Median home value	$384,700	$434,000	$419,900	$332,700	60th	246th of 421
Work from home	14.7%	17.3%	19.3%	15.1%	60th	251st of 444
Bachelor's degree or higher	36.1%	40.7%	43.4%	35.7%	59th	236th of 445
Self-employed workers	9.6%	9.2%	8.7%	10%	54th	187th of 444
Broadband access	91.9%	92.5%	92.4%	91%	48th	256th of 441
Residents under 18	21.2%	22%	22.2%	22%	42nd	242nd of 446
Population	22,083	175,321	6,206,011	334,922,499	35th	117th of 446
Rent-burdened renters	44.7%	49.1%	51.5%	51.1%	28th	253rd of 404
Healthcare workers	8%	8.7%	9%	9.7%	28th	224th of 444
Population density	301/sq mi	392/sq mi	639/sq mi	95/sq mi	26th	252nd of 446
Foreign-born residents	4.5%	5.5%	16.6%	14.1%	26th	269th of 446
Unemployment rate	3.5%	3.5%	4.9%	5.2%	24th	255th of 444
Diversity index	28	28.1	67.7	61.4	21st	314th of 446
Poverty rateStrength	6.2%	5.2%	9.4%	12.5%	20th	234th of 441
Income inequality (Gini)Strength	0.398	0.403	0.456	0.483	20th	237th of 438
Housing vacancy	3.6%	3.7%	7.7%	10.1%	17th	301st of 441
Uninsured rateStrength	1.9%	2.9%	6.3%	8.4%	5th	332nd of 444

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

16%

5–17

18–24

12%

25–34

11%

35–44

14%

45–54

14%

55–64

11%

65–74

75+

Median age

41.6

Under 18

21.2%

65 and over

19%

Race and ethnicity

White84%
Black5%
Hispanic4%
Asian2%
Native American0%
Pacific Islander0%
Other0.3%
Multiracial3%

Diversity index

U.S. 61.4

Foreign-born

4.5%

U.S. 14.1%

Born in state

67%

Language spoken at home (households)

English only

93%

Spanish

Other Indo-European

Asian / Pacific

0.7%

Other

0.1%

Households

Households: 8,451
Average household size: 2.6
Family households: 72.3%
Married couples: 58.1%
Living alone: 21.5%
Veterans (of adults): 7.6%
Male / female: 52% / 48%

Income and poverty

Household income distribution

<$25k

$25–50k

10%

$50–75k

12%

$75–100k

14%

$100–150k

25%

$150–200k

14%

$200k+

18%

Median household income

21158

$109,827

Carroll Co.

$118,211

Maryland

$103,678

United States

$80,734

Per capita income

$52,759

U.S. $44,673

Poverty rate

6.2%

U.S. 12.5%

Households earning $150K+

32%

U.S. 23%

Income inequality (Gini)

0.398

U.S. 0.483

Housing

Median home value

21158

$384,700

Carroll Co.

$434,000

Maryland

$419,900

United States

$332,700

Median gross rent

21158

$1,794

Carroll Co.

$1,427

Maryland

$1,705

United States

$1,413

Types of housing

Single-family

88%

2–4 units

5–19 units

20+ units

Mobile home

0.4%

Boat, RV, van

Housing units: 8,768
Owner-occupied: 79.2%
Vacant: 3.6%
Median year built: 1985
Median rooms: 6.9
Renters paying 30%+ of income: 44.7%
Renters paying 50%+ of income: 22.2%
Home value to income: 3.5× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

76%

Carpooled

Transit

Walked

0.2%

Bicycle

Worked from home

15%

Other

0.5%

Commute time (one way)

<10 min

10–19

24%

20–29

12%

30–44

19%

45–59

14%

60+

25%

Average commute

36.4 min

U.S. 26.4 min

Unemployment

3.5%

U.S. 5.2%

In labor force

65%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

16%

Construction and repair

10%

Office and admin

Healthcare

Education

Business and finance

Food service

Sales

Transportation and moving

Cleaning and personal care

Production

Computer and math

Police and fire

Arts, media and sports

Legal and social services

Engineering and science

Farming, fishing and forestry

0.4%

Industries

Construction

12%

Health care and social assistance

12%

Education

12%

Finance, insurance and real estate

Restaurants and hotels

Public administration

Retail

Other services

Manufacturing

Professional and technical services

Admin, support and management

Transportation, warehousing and utilities

Information

Wholesale

Arts and recreation

Agriculture and mining

Median earnings per worker

$62,480

U.S. $49,666

Self-employed

9.6%

U.S. 10%

Government workers

16.6%

U.S. 14.5%

Nonprofit workers

9.6%

U.S. 8.8%

Median earnings by type of work

Type of work	21158	U.S.
Management, business, science and arts	$82,723	$74,888
Service	$30,727	$26,804
Sales and office	$56,886	$40,476
Construction and maintenance	$61,613	$49,199
Production and transportation	$49,702	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

30%

Some college

20%

Associate's

Bachelor's

23%

Graduate

13%

High school graduate or higher: 94.1%
Bachelor's degree or higher: 36.1%
Graduate or professional degree: 12.9%
Households with broadband: 91.9%
Cable, fiber or DSL: 71.7%
No internet access: 5.4%
Without health insurance: 1.9%
Limited-English households: 0.1%

Geography

City (USPS): Westminster
State: Maryland
County: Carroll County
Center point: 39.6537° N, 77.0351° W
Land area: 73 sq mi
Water area: 0.2 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Westminster5% of zip

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

Zip codes near 21158

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
21787	Taneytown, MD	7.5 mi	11,645	$91,682	$355,000
21157	Westminster, MD	7.8 mi	38,984	$104,966	$424,100
17340	Littlestown, PA	8.2 mi	11,405	$90,030	$298,000
17331	Hanover, PA	9.9 mi	56,443	$79,488	$240,800
21776	New Windsor, MD	10 mi	6,261	$133,409	$461,600
21102	Manchester, MD	10 mi	12,162	$135,069	$392,800
17344	Mc Sherrystown, PA	11 mi	3,719	$65,833	$193,500
17332	Hanover, PA · PO box	11 mi	—	—	—
17333	Hanover, PA · PO box	11 mi	—	—	—
21074	Hampstead, MD	11 mi	14,777	$108,536	$378,100
17334	Hanover, PA · PO box	11 mi	—	—	—
21088	Lineboro, MD · PO box	11 mi	—	—	—

Zip codes like 21158 elsewhere

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

Questions about 21158

What city is zip code 21158?

21158 is assigned to Westminster, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 21158 in?

21158 is in Carroll County, Maryland.

What is the population of 21158?

About 22,083 people live in 21158, according to the Census Bureau's American Community Survey.

What time zone is 21158 in?

21158 is in Eastern Time.

What is the median household income in 21158?

The median household income in 21158 is $109,827.

What zip codes are near 21158?

The closest zip codes to 21158 are 21787, 21157, 17340, 17331, 21776.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21158, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.