Zip code 21102: Manchester, Maryland

Q: What city is zip code 21102?

21102 is assigned to Manchester, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 21102 in?

21102 is mostly in Carroll County, but it extends into 1 other county.

Q: What is the population of 21102?

About 12,162 people live in 21102, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 21102?

The median household income in 21102 is $135,069.

Q: What zip codes are near 21102?

The closest zip codes to 21102 are 21088, 17329, 21074, 21053, 17327.

Residential delivery areaCarroll CountyEastern Time

Population

12,162

Median household income

$135K

U.S. $81K

Median home value

$393K

U.S. $333K

Median rent

$1,484/mo

U.S. $1,413

Median age

44.5

U.S. 38.9

Land area

41 sq mi

299 people/sq mi

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

About 21102

21102 is a small-town zip code in Manchester, Maryland (Carroll County), covering 41 sq mi of land. About 12,162 people live here, or 299 per square mile. The median resident is 44.5 years old, compared with 38.9 nationally.

The median household earns $135,069 a year, 67% above the national median of $80,734. 3.4% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $392,800, or 2.9 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 89% of occupied homes are lived in by their owners, and renters pay a median of $1,484 a month.

35% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 35.4 minutes each way, and 14% of workers work from home. The most common jobs among working residents are in management; office and administrative support; and construction and repair.

How 21102 compares

Sorted from highest to lowest national percentile

Rent-burdened renters68.3%
96th
WeaknessU.S. 51.1% · MD 51.5%63rd of 404 in MD
Homeownership rate89.4%
95th
StrengthU.S. 65.2% · MD 67.6%120th of 441 in MD
Average commute35.4 min
92nd
WeaknessU.S. 26.4 min · MD 31.1 min111th of 421 in MD
Median household income$135,069
91st
StrengthU.S. $80,734 · MD $103,678117th of 414 in MD
Government workers20.6%
86th
U.S. 14.5% · MD 22.5%244th of 444 in MD
Median age44.5
84th
U.S. 38.9 · MD 39.4153rd of 446 in MD
Median earnings per worker$66,175
84th
StrengthU.S. $49,666 · MD $61,200194th of 443 in MD
Per capita income$54,845
79th
U.S. $44,673 · MD $52,979188th of 446 in MD
Broadband access94.4%
70th
U.S. 91% · MD 92.4%190th of 441 in MD
Tech workers3.8%
66th
U.S. 3.8% · MD 6.4%265th of 444 in MD
Median home value$392,800
61st
U.S. $332,700 · MD $419,900233rd of 421 in MD
Healthcare workers9.9%
57th
U.S. 9.7% · MD 9%141st of 444 in MD
Median gross rent$1,484
56th
U.S. $1,413 · MD $1,705203rd of 338 in MD
Bachelor's degree or higher34.7%
56th
U.S. 35.7% · MD 43.4%245th of 445 in MD
Work from home14%
56th
U.S. 15.1% · MD 19.3%271st of 444 in MD
Residents 65 and older17.4%
56th
U.S. 17.2% · MD 16.7%239th of 446 in MD
Veterans5.3%
43rd
U.S. 6.2% · MD 6.8%308th of 446 in MD
Residents under 1821%
40th
U.S. 22% · MD 22.2%248th of 446 in MD
Foreign-born residents4.9%
29th
U.S. 14.1% · MD 16.6%256th of 446 in MD
Population density299/sq mi
26th
U.S. 95/sq mi · MD 639/sq mi254th of 446 in MD
Self-employed workers7.1%
21st
U.S. 10% · MD 8.7%296th of 444 in MD
Income inequality (Gini)0.400
21st
U.S. 0.483 · MD 0.456233rd of 438 in MD
Population12,162
19th
U.S. 334,922,499 · MD 6,206,011168th of 446 in MD
Diversity index19.9
12th
U.S. 61.4 · MD 67.7359th of 446 in MD
Uninsured rate2.2%
6th
StrengthU.S. 8.4% · MD 6.3%319th of 444 in MD
Housing vacancy2.2%
5th
U.S. 10.1% · MD 7.7%355th of 441 in MD
Poverty rate3.4%
4th
StrengthU.S. 12.5% · MD 9.4%340th of 441 in MD
Unemployment rate1.2%
2nd
StrengthU.S. 5.2% · MD 4.9%367th of 444 in MD

Measure	21102	Carroll	MD	U.S.	National percentile	Rank in MD
Rent-burdened rentersWeakness	68.3%	49.1%	51.5%	51.1%	96th	63rd of 404
Homeownership rateStrength	89.4%	84.3%	67.6%	65.2%	95th	120th of 441
Average commuteWeakness	35.4 min	34.4 min	31.1 min	26.4 min	92nd	111th of 421
Median household incomeStrength	$135,069	$118,211	$103,678	$80,734	91st	117th of 414
Government workers	20.6%	19.7%	22.5%	14.5%	86th	244th of 444
Median age	44.5	41.3	39.4	38.9	84th	153rd of 446
Median earnings per workerStrength	$66,175	$65,314	$61,200	$49,666	84th	194th of 443
Per capita income	$54,845	$53,124	$52,979	$44,673	79th	188th of 446
Broadband access	94.4%	92.5%	92.4%	91%	70th	190th of 441
Tech workers	3.8%	5.1%	6.4%	3.8%	66th	265th of 444
Median home value	$392,800	$434,000	$419,900	$332,700	61st	233rd of 421
Healthcare workers	9.9%	8.7%	9%	9.7%	57th	141st of 444
Median gross rent	$1,484	$1,427	$1,705	$1,413	56th	203rd of 338
Bachelor's degree or higher	34.7%	40.7%	43.4%	35.7%	56th	245th of 445
Work from home	14%	17.3%	19.3%	15.1%	56th	271st of 444
Residents 65 and older	17.4%	17.9%	16.7%	17.2%	56th	239th of 446
Veterans	5.3%	7.5%	6.8%	6.2%	43rd	308th of 446
Residents under 18	21%	22%	22.2%	22%	40th	248th of 446
Foreign-born residents	4.9%	5.5%	16.6%	14.1%	29th	256th of 446
Population density	299/sq mi	392/sq mi	639/sq mi	95/sq mi	26th	254th of 446
Self-employed workers	7.1%	9.2%	8.7%	10%	21st	296th of 444
Income inequality (Gini)	0.400	0.403	0.456	0.483	21st	233rd of 438
Population	12,162	175,321	6,206,011	334,922,499	19th	168th of 446
Diversity index	19.9	28.1	67.7	61.4	12th	359th of 446
Uninsured rateStrength	2.2%	2.9%	6.3%	8.4%	6th	319th of 444
Housing vacancy	2.2%	3.7%	7.7%	10.1%	5th	355th of 441
Poverty rateStrength	3.4%	5.2%	9.4%	12.5%	4th	340th of 441
Unemployment rateStrength	1.2%	3.5%	4.9%	5.2%	2nd	367th 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

17%

5–17

18–24

10%

25–34

12%

35–44

13%

45–54

19%

55–64

11%

65–74

75+

Median age

44.5

Under 18

21%

65 and over

17.4%

Race and ethnicity

White89%
Black2%
Hispanic3%
Asian3%
Native American0.6%
Pacific Islander0%
Other0.9%
Multiracial2%

Diversity index

19.9

U.S. 61.4

Foreign-born

4.9%

U.S. 14.1%

Born in state

72.4%

Language spoken at home (households)

English only

95%

Spanish

0.6%

Other Indo-European

Asian / Pacific

Other

Households

Households: 4,413
Average household size: 2.7
Family households: 80.3%
Married couples: 69.2%
Living alone: 18.7%
Veterans (of adults): 5.3%
Male / female: 52% / 48%

Income and poverty

Household income distribution

<$25k

$25–50k

10%

$50–75k

12%

$75–100k

$100–150k

19%

$150–200k

17%

$200k+

26%

Median household income

21102

$135,069

Carroll Co.

$118,211

Maryland

$103,678

United States

$80,734

Per capita income

$54,845

U.S. $44,673

Poverty rate

3.4%

U.S. 12.5%

Households earning $150K+

43.1%

U.S. 23%

Income inequality (Gini)

0.400

U.S. 0.483

Housing

Median home value

21102

$392,800

Carroll Co.

$434,000

Maryland

$419,900

United States

$332,700

Median gross rent

21102

$1,484

Carroll Co.

$1,427

Maryland

$1,705

United States

$1,413

Types of housing

Single-family

95%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 4,511
Owner-occupied: 89.4%
Vacant: 2.2%
Median year built: 1982
Median rooms: 7.4
Renters paying 30%+ of income: 68.3%
Renters paying 50%+ of income: 42.1%
Home value to income: 2.9× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

78%

Carpooled

Transit

Walked

Bicycle

Worked from home

14%

Other

Commute time (one way)

<10 min

10–19

17%

20–29

15%

30–44

23%

45–59

19%

60+

18%

Average commute

35.4 min

U.S. 26.4 min

Unemployment

1.2%

U.S. 5.2%

In labor force

67.4%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

16%

Office and admin

11%

Construction and repair

11%

Healthcare

10%

Sales

Education

Business and finance

Police and fire

Computer and math

Cleaning and personal care

Food service

Production

Engineering and science

Transportation and moving

Legal and social services

Arts, media and sports

Farming, fishing and forestry

Industries

Health care and social assistance

15%

Construction

13%

Professional and technical services

11%

Retail

10%

Education

Public administration

Finance, insurance and real estate

Transportation, warehousing and utilities

Manufacturing

Admin, support and management

Other services

Restaurants and hotels

Wholesale

Agriculture and mining

Arts and recreation

Information

0.8%

Median earnings per worker

$66,175

U.S. $49,666

Self-employed

7.1%

U.S. 10%

Government workers

20.6%

U.S. 14.5%

Nonprofit workers

5.2%

U.S. 8.8%

Median earnings by type of work

Type of work	21102	U.S.
Management, business, science and arts	$86,290	$74,888
Service	$36,273	$26,804
Sales and office	$47,847	$40,476
Construction and maintenance	$53,144	$49,199
Production and transportation	$60,500	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

32%

Some college

23%

Associate's

Bachelor's

24%

Graduate

11%

High school graduate or higher: 97.9%
Bachelor's degree or higher: 34.7%
Graduate or professional degree: 11%
Households with broadband: 94.4%
Cable, fiber or DSL: 78.2%
No internet access: 3.3%
Without health insurance: 2.2%
Limited-English households: 0.3%

Geography

City (USPS): Manchester
State: Maryland
County: Carroll County
Center point: 39.6922° N, 76.8476° W
Land area: 41 sq mi
Water area: 0.6 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

21102 spans 2 counties

Carroll County77% of land
Baltimore County23% of land

Cities and towns within this zip

Manchester6% of zip

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

Zip codes near 21102

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
21088	Lineboro, MD · PO box	1.8 mi	—	—	—
17329	Glenville, PA	4.6 mi	2,999	$121,309	$331,000
21074	Hampstead, MD	4.9 mi	14,777	$108,536	$378,100
21053	Freeland, MD	7.1 mi	2,929	$89,497	$408,300
17327	Glen Rock, PA	7.8 mi	7,828	$101,106	$315,700
21155	Upperco, MD	8.5 mi	3,313	$123,158	$479,500
17311	Codorus, PA	8.6 mi	127	$77,500	$160,400
17355	Railroad, PA	9.3 mi	322	—	$221,400
17354	Porters Sideling, PA · PO box	9.6 mi	—	—	—
21120	Parkton, MD	9.7 mi	7,440	$162,052	$580,900
17331	Hanover, PA	9.8 mi	56,443	$79,488	$240,800
21158	Westminster, MD	10 mi	22,083	$109,827	$384,700

Zip codes like 21102 elsewhere

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

Questions about 21102

What city is zip code 21102?

21102 is assigned to Manchester, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 21102 in?

21102 is mostly in Carroll County, but it extends into 1 other county.

What is the population of 21102?

About 12,162 people live in 21102, according to the Census Bureau's American Community Survey.

What time zone is 21102 in?

21102 is in Eastern Time.

What is the median household income in 21102?

The median household income in 21102 is $135,069.

What zip codes are near 21102?

The closest zip codes to 21102 are 21088, 17329, 21074, 21053, 17327.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21102, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.