Zip code 21788: Thurmont, Maryland

Q: What city is zip code 21788?

21788 is assigned to Thurmont, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 21788 in?

21788 is in Frederick County, Maryland.

Q: What is the population of 21788?

About 11,654 people live in 21788, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 21788?

The median household income in 21788 is $98,856.

Q: What zip codes are near 21788?

The closest zip codes to 21788 are 21778, 21780, 21775, 21759, 21798.

Residential delivery areaFrederick CountyEastern Time

Population

11,654

Median household income

$99K

U.S. $81K

Median home value

$379K

U.S. $333K

Median rent

$959/mo

U.S. $1,413

Median age

44.6

U.S. 38.9

Land area

65 sq mi

178 people/sq mi

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

About 21788

21788 is a small-town zip code in Thurmont, Maryland (Frederick County), covering 65 sq mi of land. About 11,654 people live here, or 178 per square mile. The median resident is 44.6 years old, compared with 38.9 nationally.

The median household earns $98,856 a year, 22% above the national median of $80,734. 8.6% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $379,200, or 3.8 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 $959 a month.

31% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 28.7 minutes each way, and 16% of workers work from home. The most common jobs among working residents are in office and administrative support; management; and construction and repair.

How 21788 compares

Sorted from highest to lowest national percentile

Self-employed workers14.5%
89th
U.S. 10% · MD 8.7%83rd of 444 in MD
Government workers20.7%
86th
U.S. 14.5% · MD 22.5%240th of 444 in MD
Median age44.6
84th
U.S. 38.9 · MD 39.4148th of 446 in MD
Homeownership rate82.1%
83rd
StrengthU.S. 65.2% · MD 67.6%217th of 441 in MD
Tech workers4.8%
77th
U.S. 3.8% · MD 6.4%220th of 444 in MD
Per capita income$52,036
75th
U.S. $44,673 · MD $52,979224th of 446 in MD
Median earnings per worker$60,188
75th
U.S. $49,666 · MD $61,200240th of 443 in MD
Residents 65 and older20.1%
74th
U.S. 17.2% · MD 16.7%160th of 446 in MD
Veterans7.5%
72nd
U.S. 6.2% · MD 6.8%198th of 446 in MD
Median household income$98,856
70th
U.S. $80,734 · MD $103,678230th of 414 in MD
Average commute28.7 min
67th
U.S. 26.4 min · MD 31.1 min284th of 421 in MD
Work from home16%
65th
U.S. 15.1% · MD 19.3%229th of 444 in MD
Median home value$379,200
59th
U.S. $332,700 · MD $419,900255th of 421 in MD
Bachelor's degree or higher31.3%
49th
U.S. 35.7% · MD 43.4%272nd of 445 in MD
Income inequality (Gini)0.427
43rd
U.S. 0.483 · MD 0.456144th of 438 in MD
Uninsured rate5.6%
39th
U.S. 8.4% · MD 6.3%130th of 444 in MD
Poverty rate8.6%
36th
U.S. 12.5% · MD 9.4%169th of 441 in MD
Rent-burdened renters46.1%
33rd
U.S. 51.1% · MD 51.5%240th of 404 in MD
Housing vacancy4.6%
29th
U.S. 10.1% · MD 7.7%260th of 441 in MD
Residents under 1819.4%
27th
U.S. 22% · MD 22.2%300th of 446 in MD
Broadband access88.1%
24th
U.S. 91% · MD 92.4%329th of 441 in MD
Population density178/sq mi
20th
U.S. 95/sq mi · MD 639/sq mi305th of 446 in MD
Foreign-born residents3.1%
19th
U.S. 14.1% · MD 16.6%308th of 446 in MD
Population11,654
18th
U.S. 334,922,499 · MD 6,206,011170th of 446 in MD
Median gross rent$959
18th
U.S. $1,413 · MD $1,705305th of 338 in MD
Unemployment rate2.8%
14th
StrengthU.S. 5.2% · MD 4.9%299th of 444 in MD
Diversity index19.2
12th
U.S. 61.4 · MD 67.7361st of 446 in MD
Healthcare workers5.3%
5th
U.S. 9.7% · MD 9%344th of 444 in MD

Measure	21788	Frederick	MD	U.S.	National percentile	Rank in MD
Self-employed workers	14.5%	8.2%	8.7%	10%	89th	83rd of 444
Government workers	20.7%	21.4%	22.5%	14.5%	86th	240th of 444
Median age	44.6	39	39.4	38.9	84th	148th of 446
Homeownership rateStrength	82.1%	77%	67.6%	65.2%	83rd	217th of 441
Tech workers	4.8%	6.8%	6.4%	3.8%	77th	220th of 444
Per capita income	$52,036	$54,982	$52,979	$44,673	75th	224th of 446
Median earnings per worker	$60,188	$67,763	$61,200	$49,666	75th	240th of 443
Residents 65 and older	20.1%	15.3%	16.7%	17.2%	74th	160th of 446
Veterans	7.5%	7.5%	6.8%	6.2%	72nd	198th of 446
Median household income	$98,856	$122,002	$103,678	$80,734	70th	230th of 414
Average commute	28.7 min	33.1 min	31.1 min	26.4 min	67th	284th of 421
Work from home	16%	21.2%	19.3%	15.1%	65th	229th of 444
Median home value	$379,200	$464,600	$419,900	$332,700	59th	255th of 421
Bachelor's degree or higher	31.3%	45.8%	43.4%	35.7%	49th	272nd of 445
Income inequality (Gini)	0.427	0.398	0.456	0.483	43rd	144th of 438
Uninsured rate	5.6%	4.7%	6.3%	8.4%	39th	130th of 444
Poverty rate	8.6%	6%	9.4%	12.5%	36th	169th of 441
Rent-burdened renters	46.1%	48.5%	51.5%	51.1%	33rd	240th of 404
Housing vacancy	4.6%	3.9%	7.7%	10.1%	29th	260th of 441
Residents under 18	19.4%	23.3%	22.2%	22%	27th	300th of 446
Broadband access	88.1%	93.2%	92.4%	91%	24th	329th of 441
Population density	178/sq mi	435/sq mi	639/sq mi	95/sq mi	20th	305th of 446
Foreign-born residents	3.1%	13.8%	16.6%	14.1%	19th	308th of 446
Population	11,654	287,048	6,206,011	334,922,499	18th	170th of 446
Median gross rent	$959	$1,774	$1,705	$1,413	18th	305th of 338
Unemployment rateStrength	2.8%	3.3%	4.9%	5.2%	14th	299th of 444
Diversity index	19.2	53.6	67.7	61.4	12th	361st of 446
Healthcare workers	5.3%	7.8%	9%	9.7%	5th	344th 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

15%

5–17

18–24

12%

25–34

12%

35–44

13%

45–54

17%

55–64

12%

65–74

75+

Median age

44.6

Under 18

19.4%

65 and over

20.1%

Race and ethnicity

White90%
Black0.9%
Hispanic5%
Asian1%
Native American0%
Pacific Islander0.1%
Other0.1%
Multiracial2%

Diversity index

19.2

U.S. 61.4

Foreign-born

3.1%

U.S. 14.1%

Born in state

62.4%

Language spoken at home (households)

English only

92%

Spanish

Other Indo-European

Asian / Pacific

Other

0.6%

Households

Households: 4,649
Average household size: 2.5
Family households: 74.2%
Married couples: 60.6%
Living alone: 21.1%
Veterans (of adults): 7.5%
Male / female: 51% / 49%

Income and poverty

Household income distribution

<$25k

11%

$25–50k

11%

$50–75k

12%

$75–100k

18%

$100–150k

19%

$150–200k

10%

$200k+

19%

Median household income

21788

$98,856

Frederick Co.

$122,002

Maryland

$103,678

United States

$80,734

Per capita income

$52,036

U.S. $44,673

Poverty rate

8.6%

U.S. 12.5%

Households earning $150K+

29.5%

U.S. 23%

Income inequality (Gini)

0.427

U.S. 0.483

Housing

Median home value

21788

$379,200

Frederick Co.

$464,600

Maryland

$419,900

United States

$332,700

Median gross rent

21788

$959

Frederick Co.

$1,774

Maryland

$1,705

United States

$1,413

Types of housing

Single-family

88%

2–4 units

5–19 units

20+ units

Mobile home

0.5%

Boat, RV, van

Housing units: 4,871
Owner-occupied: 82.1%
Vacant: 4.6%
Median year built: 1978
Median rooms: 6.8
Renters paying 30%+ of income: 46.1%
Renters paying 50%+ of income: 23.7%
Home value to income: 3.8× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

73%

Carpooled

Transit

0.3%

Walked

Bicycle

Worked from home

16%

Other

Commute time (one way)

<10 min

16%

10–19

24%

20–29

24%

30–44

15%

45–59

60+

15%

Average commute

28.7 min

U.S. 26.4 min

Unemployment

2.8%

U.S. 5.2%

In labor force

70.2%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Office and admin

15%

Management

13%

Construction and repair

12%

Education

Sales

Transportation and moving

Business and finance

Healthcare

Cleaning and personal care

Computer and math

Food service

Police and fire

Engineering and science

Production

Legal and social services

Arts, media and sports

Farming, fishing and forestry

0.5%

Industries

Retail

13%

Construction

12%

Education

11%

Health care and social assistance

11%

Professional and technical services

Finance, insurance and real estate

Other services

Public administration

Admin, support and management

Manufacturing

Restaurants and hotels

Information

Transportation, warehousing and utilities

Agriculture and mining

Arts and recreation

Wholesale

0.7%

Median earnings per worker

$60,188

U.S. $49,666

Self-employed

14.5%

U.S. 10%

Government workers

20.7%

U.S. 14.5%

Nonprofit workers

7.8%

U.S. 8.8%

Median earnings by type of work

Type of work	21788	U.S.
Management, business, science and arts	$81,357	$74,888
Service	$30,685	$26,804
Sales and office	$52,059	$40,476
Construction and maintenance	$62,930	$49,199
Production and transportation	$45,147	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

34%

Some college

20%

Associate's

Bachelor's

19%

Graduate

13%

High school graduate or higher: 92.7%
Bachelor's degree or higher: 31.3%
Graduate or professional degree: 12.6%
Households with broadband: 88.1%
Cable, fiber or DSL: 65.9%
No internet access: 10.7%
Without health insurance: 5.6%
Limited-English households: 0.9%

Geography

City (USPS): Thurmont
State: Maryland
County: Frederick County
Center point: 39.5900° N, 77.4139° W
Land area: 65 sq mi
Water area: 0.5 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Thurmont5% of zip

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

Zip codes near 21788

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
21778	Rocky Ridge, MD	4.9 mi	745	$76,458	$382,100
21780	Sabillasville, MD	6.5 mi	2,159	$83,785	$451,600
21775	New Midway, MD · PO box	6.6 mi	—	—	—
21759	Ladiesburg, MD · PO box	6.7 mi	—	—	—
21798	Woodsboro, MD	7.3 mi	2,928	$116,607	$498,400
21702	Frederick, MD	7.8 mi	49,605	$106,983	$426,300
21793	Walkersville, MD	7.9 mi	10,719	$121,971	$459,400
21773	Myersville, MD	8 mi	5,826	$161,908	$544,400
21727	Emmitsburg, MD	8.2 mi	6,052	$95,236	$331,100
21757	Keymar, MD	8.3 mi	2,671	$100,500	$466,100
21709	Frederick, MD · PO box	8.4 mi	—	—	—
21783	Smithsburg, MD	8.5 mi	9,910	$100,750	$339,800

Zip codes like 21788 elsewhere

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

Questions about 21788

What city is zip code 21788?

21788 is assigned to Thurmont, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 21788 in?

21788 is in Frederick County, Maryland.

What is the population of 21788?

About 11,654 people live in 21788, according to the Census Bureau's American Community Survey.

What time zone is 21788 in?

21788 is in Eastern Time.

What is the median household income in 21788?

The median household income in 21788 is $98,856.

What zip codes are near 21788?

The closest zip codes to 21788 are 21778, 21780, 21775, 21759, 21798.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21788, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.