Zip code 21555: Oldtown, Maryland

Q: What city is zip code 21555?

21555 is assigned to Oldtown, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 21555 in?

21555 is in Allegany County, Maryland.

Q: What is the population of 21555?

About 1,470 people live in 21555, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 21555?

The median household income in 21555 is $53,266.

Q: What zip codes are near 21555?

The closest zip codes to 21555 are 25431, 26722, 21504, 21530, 21560.

Residential delivery areaAllegany CountyEastern Time

Population

1,470

Median household income

$53K

U.S. $81K

Median home value

$198K

U.S. $333K

Median rent

$790/mo

U.S. $1,413

Median age

42.6

U.S. 38.9

Land area

98 sq mi

15 people/sq mi

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

About 21555

21555 is a rural zip code in Oldtown, Maryland (Allegany County), covering 98 sq mi of land. About 1,470 people live here, or 15 per square mile. The median resident is 42.6 years old, compared with 38.9 nationally.

The median household earns $53,266 a year, 34% below the national median of $80,734. 22.1% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $197,700, 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. 82% of occupied homes are lived in by their owners, and renters pay a median of $790 a month.

12% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 26.6 minutes each way, and 7% of workers work from home. The most common jobs among working residents are in cleaning and personal care; management; and transportation and moving goods.

How 21555 compares

Sorted from highest to lowest national percentile

Rent-burdened renters100%
99th
WeaknessU.S. 51.1% · MD 51.5%1st of 404 in MD
Housing vacancy28.9%
97th
U.S. 10.1% · MD 7.7%34th of 441 in MD
Poverty rate22.1%
88th
WeaknessU.S. 12.5% · MD 9.4%23rd of 441 in MD
Homeownership rate82.4%
84th
StrengthU.S. 65.2% · MD 67.6%212th of 441 in MD
Unemployment rate7.6%
84th
WeaknessU.S. 5.2% · MD 4.9%58th of 444 in MD
Veterans8.9%
84th
U.S. 6.2% · MD 6.8%133rd of 446 in MD
Median age42.6
75th
U.S. 38.9 · MD 39.4198th of 446 in MD
Residents under 1824.4%
70th
U.S. 22% · MD 22.2%115th of 446 in MD
Self-employed workers11%
69th
U.S. 10% · MD 8.7%147th of 444 in MD
Average commute26.6 min
54th
U.S. 26.4 min · MD 31.1 min336th of 421 in MD
Income inequality (Gini)0.434
49th
U.S. 0.483 · MD 0.456124th of 438 in MD
Residents 65 and older16.2%
47th
U.S. 17.2% · MD 16.7%281st of 446 in MD
Healthcare workers8.1%
29th
U.S. 9.7% · MD 9%216th of 444 in MD
Government workers11.3%
29th
U.S. 14.5% · MD 22.5%401st of 444 in MD
Median home value$197,700
20th
U.S. $332,700 · MD $419,900392nd of 421 in MD
Work from home7%
16th
U.S. 15.1% · MD 19.3%375th of 444 in MD
Median earnings per worker$37,917
16th
WeaknessU.S. $49,666 · MD $61,200415th of 443 in MD
Median household income$53,266
12th
WeaknessU.S. $80,734 · MD $103,678398th of 414 in MD
Per capita income$24,708
8th
WeaknessU.S. $44,673 · MD $52,979435th of 446 in MD
Median gross rent$790
6th
U.S. $1,413 · MD $1,705326th of 338 in MD
Bachelor's degree or higher11.9%
5th
WeaknessU.S. 35.7% · MD 43.4%424th of 445 in MD
Uninsured rate1.7%
4th
StrengthU.S. 8.4% · MD 6.3%343rd of 444 in MD
Population1,470
2nd
U.S. 334,922,499 · MD 6,206,011330th of 446 in MD
Population density15/sq mi
2nd
U.S. 95/sq mi · MD 639/sq mi442nd of 446 in MD
Diversity index2.2
1st
U.S. 61.4 · MD 67.7430th of 446 in MD
Broadband access71.7%
1st
WeaknessU.S. 91% · MD 92.4%427th of 441 in MD
Foreign-born residents0%
1st
U.S. 14.1% · MD 16.6%407th of 446 in MD
Tech workers0%
1st
U.S. 3.8% · MD 6.4%376th of 444 in MD

Measure	21555	Allegany	MD	U.S.	National percentile	Rank in MD
Rent-burdened rentersWeakness	100%	43.6%	51.5%	51.1%	99th	1st of 404
Housing vacancy	28.9%	16.3%	7.7%	10.1%	97th	34th of 441
Poverty rateWeakness	22.1%	16.9%	9.4%	12.5%	88th	23rd of 441
Homeownership rateStrength	82.4%	70.7%	67.6%	65.2%	84th	212th of 441
Unemployment rateWeakness	7.6%	5%	4.9%	5.2%	84th	58th of 444
Veterans	8.9%	8.1%	6.8%	6.2%	84th	133rd of 446
Median age	42.6	41.2	39.4	38.9	75th	198th of 446
Residents under 18	24.4%	17.8%	22.2%	22%	70th	115th of 446
Self-employed workers	11%	8.1%	8.7%	10%	69th	147th of 444
Average commute	26.6 min	22.7 min	31.1 min	26.4 min	54th	336th of 421
Income inequality (Gini)	0.434	0.439	0.456	0.483	49th	124th of 438
Residents 65 and older	16.2%	21.1%	16.7%	17.2%	47th	281st of 446
Healthcare workers	8.1%	10.4%	9%	9.7%	29th	216th of 444
Government workers	11.3%	22.7%	22.5%	14.5%	29th	401st of 444
Median home value	$197,700	$154,900	$419,900	$332,700	20th	392nd of 421
Work from home	7%	9.1%	19.3%	15.1%	16th	375th of 444
Median earnings per workerWeakness	$37,917	$41,572	$61,200	$49,666	16th	415th of 443
Median household incomeWeakness	$53,266	$59,603	$103,678	$80,734	12th	398th of 414
Per capita incomeWeakness	$24,708	$31,210	$52,979	$44,673	8th	435th of 446
Median gross rent	$790	$805	$1,705	$1,413	6th	326th of 338
Bachelor's degree or higherWeakness	11.9%	21.1%	43.4%	35.7%	5th	424th of 445
Uninsured rateStrength	1.7%	3.8%	6.3%	8.4%	4th	343rd of 444
Population	1,470	67,452	6,206,011	334,922,499	2nd	330th of 446
Population density	15/sq mi	160/sq mi	639/sq mi	95/sq mi	2nd	442nd of 446
Diversity index	2.2	25.7	67.7	61.4	1st	430th of 446
Broadband accessWeakness	71.7%	84.9%	92.4%	91%	1st	427th of 441
Foreign-born residents	0%	2.1%	16.6%	14.1%	1st	407th of 446
Tech workers	0%	2.6%	6.4%	3.8%	1st	376th 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

18%

5–17

11%

18–24

25–34

35–44

14%

45–54

19%

55–64

65–74

75+

Median age

42.6

Under 18

24.4%

65 and over

16.2%

Race and ethnicity

White99%
Black0.5%
Hispanic0%
Asian0%
Native American0%
Pacific Islander0%
Other0%
Multiracial0.6%

Diversity index

2.2

U.S. 61.4

Foreign-born

U.S. 14.1%

Born in state

61.9%

Language spoken at home (households)

English only

100%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 591
Average household size: 2.5
Family households: 74.8%
Married couples: 62.4%
Living alone: 22.3%
Veterans (of adults): 8.9%
Male / female: 53% / 47%

Income and poverty

Household income distribution

<$25k

16%

$25–50k

32%

$50–75k

22%

$75–100k

$100–150k

15%

$150–200k

$200k+

Median household income

21555

$53,266

Allegany Co.

$59,603

Maryland

$103,678

United States

$80,734

Per capita income

$24,708

U.S. $44,673

Poverty rate

22.1%

U.S. 12.5%

Households earning $150K+

6.8%

U.S. 23%

Income inequality (Gini)

0.434

U.S. 0.483

Housing

Median home value

21555

$197,700

Allegany Co.

$154,900

Maryland

$419,900

United States

$332,700

Median gross rent

21555

$790

Allegany Co.

$805

Maryland

$1,705

United States

$1,413

Types of housing

Single-family

84%

2–4 units

5–19 units

20+ units

Mobile home

16%

Boat, RV, van

Housing units: 831
Owner-occupied: 82.4%
Vacant: 28.9%
Median year built: 1975
Median rooms: 5.9
Renters paying 30%+ of income: 100%
Renters paying 50%+ of income: 62.2%
Home value to income: 3.7× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

90%

Carpooled

Transit

Walked

Bicycle

Worked from home

Other

Commute time (one way)

<10 min

10–19

24%

20–29

38%

30–44

24%

45–59

11%

60+

Average commute

26.6 min

U.S. 26.4 min

Unemployment

7.6%

U.S. 5.2%

In labor force

59.9%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Cleaning and personal care

18%

Management

16%

Transportation and moving

15%

Sales

Education

Healthcare

Office and admin

Production

Food service

Legal and social services

Police and fire

Construction and repair

Business and finance

Computer and math

Engineering and science

Arts, media and sports

Farming, fishing and forestry

Industries

Manufacturing

16%

Admin, support and management

15%

Retail

13%

Transportation, warehousing and utilities

11%

Health care and social assistance

Restaurants and hotels

Education

Agriculture and mining

Other services

Public administration

Construction

Finance, insurance and real estate

Wholesale

Professional and technical services

Information

Arts and recreation

Median earnings per worker

$37,917

U.S. $49,666

Self-employed

11%

U.S. 10%

Government workers

11.3%

U.S. 14.5%

Nonprofit workers

8.6%

U.S. 8.8%

Median earnings by type of work

Type of work	21555	U.S.
Management, business, science and arts	$62,644	$74,888
Service	$29,063	$26,804
Sales and office	$25,583	$40,476
Construction and maintenance	—	$49,199
Production and transportation	$43,992	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

11%

High school

42%

Some college

22%

Associate's

14%

Bachelor's

Graduate

High school graduate or higher: 89.4%
Bachelor's degree or higher: 11.9%
Graduate or professional degree: 7.2%
Households with broadband: 71.7%
Cable, fiber or DSL: 34.5%
No internet access: 23.5%
Without health insurance: 1.7%
Limited-English households: 0%

Geography

City (USPS): Oldtown
State: Maryland
County: Allegany County
Center point: 39.5751° N, 78.5626° W
Land area: 98 sq mi
Water area: 2 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Zip codes near 21555

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
25431	Levels, WV	6.3 mi	413	$68,917	$119,500
26722	Green Spring, WV	6.5 mi	496	$75,625	—
21504	Cumberland, MD · PO box	6.8 mi	—	—	—
21530	Flintstone, MD	7.3 mi	1,404	$63,542	$202,400
21560	Spring Gap, MD	7.7 mi	9	—	—
26763	Springfield, WV	10 mi	1,253	$68,384	$261,500
25444	Slanesville, WV	10 mi	717	$132,614	$381,600
25437	Points, WV	11 mi	143	—	$361,100
26767	Wiley Ford, WV	11 mi	393	$92,073	$219,600
25434	Paw Paw, WV	11 mi	3,272	$64,487	$207,500
26753	Ridgeley, WV	11 mi	5,960	$73,694	$213,100
21502	Cumberland, MD	11 mi	41,015	$60,725	$153,700

Zip codes like 21555 elsewhere

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

Questions about 21555

What city is zip code 21555?

21555 is assigned to Oldtown, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 21555 in?

21555 is in Allegany County, Maryland.

What is the population of 21555?

About 1,470 people live in 21555, according to the Census Bureau's American Community Survey.

What time zone is 21555 in?

21555 is in Eastern Time.

What is the median household income in 21555?

The median household income in 21555 is $53,266.

What zip codes are near 21555?

The closest zip codes to 21555 are 25431, 26722, 21504, 21530, 21560.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21555, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.