20678

Zip code 20678: Prince Frederick, Maryland

Q: What city is zip code 20678?

20678 is assigned to Prince Frederick, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 20678 in?

20678 is in Calvert County, Maryland.

Q: What is the population of 20678?

About 12,752 people live in 20678, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 20678?

The median household income in 20678 is $125,732.

Q: What zip codes are near 20678?

The closest zip codes to 20678 are 20610, 20676, 20612, 20639, 20608.

Residential delivery areaCalvert CountyEastern Time

Population

12,752

Median household income

$126K

U.S. $81K

Median home value

$455K

U.S. $333K

Median rent

$1,388/mo

U.S. $1,413

Median age

38.4

U.S. 38.9

Land area

45 sq mi

284 people/sq mi

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

About 20678

20678 is a small-town zip code in Prince Frederick, Maryland (Calvert County), covering 45 sq mi of land. About 12,752 people live here, or 284 per square mile. The median resident is 38.4 years old, compared with 38.9 nationally.

The median household earns $125,732 a year, 56% above the national median of $80,734. 7.5% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $455,100, or 3.6 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 78% of occupied homes are lived in by their owners, and renters pay a median of $1,388 a month.

30% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 39.9 minutes each way, and 13% of workers work from home. The most common jobs among working residents are in management; construction and repair; and office and administrative support.

How 20678 compares

Sorted from highest to lowest national percentile

Average commute39.9 min
97th
WeaknessU.S. 26.4 min · MD 31.1 min52nd of 421 in MD
Government workers28.1%
97th
U.S. 14.5% · MD 22.5%87th of 444 in MD
Veterans9.6%
88th
U.S. 6.2% · MD 6.8%118th of 446 in MD
Median household income$125,732
87th
StrengthU.S. $80,734 · MD $103,678140th of 414 in MD
Median earnings per worker$69,537
87th
StrengthU.S. $49,666 · MD $61,200168th of 443 in MD
Per capita income$54,751
79th
U.S. $44,673 · MD $52,979193rd of 446 in MD
Homeownership rate78.4%
75th
U.S. 65.2% · MD 67.6%251st of 441 in MD
Median home value$455,100
70th
U.S. $332,700 · MD $419,900171st of 421 in MD
Self-employed workers10.9%
68th
U.S. 10% · MD 8.7%149th of 444 in MD
Tech workers3.4%
60th
U.S. 3.8% · MD 6.4%280th of 444 in MD
Diversity index52.6
56th
U.S. 61.4 · MD 67.7156th of 446 in MD
Rent-burdened renters52.2%
56th
U.S. 51.1% · MD 51.5%175th of 404 in MD
Residents 65 and older17.2%
55th
U.S. 17.2% · MD 16.7%247th of 446 in MD
Work from home13.1%
52nd
U.S. 15.1% · MD 19.3%290th of 444 in MD
Median gross rent$1,388
49th
U.S. $1,413 · MD $1,705226th of 338 in MD
Bachelor's degree or higher30.3%
47th
U.S. 35.7% · MD 43.4%279th of 445 in MD
Housing vacancy6.3%
47th
U.S. 10.1% · MD 7.7%192nd of 441 in MD
Median age38.4
45th
U.S. 38.9 · MD 39.4312th of 446 in MD
Broadband access91.6%
45th
U.S. 91% · MD 92.4%265th of 441 in MD
Foreign-born residents6.6%
37th
U.S. 14.1% · MD 16.6%215th of 446 in MD
Residents under 1820.4%
35th
U.S. 22% · MD 22.2%272nd of 446 in MD
Poverty rate7.5%
28th
U.S. 12.5% · MD 9.4%197th of 441 in MD
Population density284/sq mi
25th
U.S. 95/sq mi · MD 639/sq mi261st of 446 in MD
Population12,752
19th
U.S. 334,922,499 · MD 6,206,011167th of 446 in MD
Income inequality (Gini)0.398
19th
StrengthU.S. 0.483 · MD 0.456241st of 438 in MD
Unemployment rate2.5%
10th
StrengthU.S. 5.2% · MD 4.9%311th of 444 in MD
Uninsured rate2.6%
9th
StrengthU.S. 8.4% · MD 6.3%287th of 444 in MD
Healthcare workers4.2%
2nd
U.S. 9.7% · MD 9%379th of 444 in MD

Measure	20678	Calvert	MD	U.S.	National percentile	Rank in MD
Average commuteWeakness	39.9 min	39.3 min	31.1 min	26.4 min	97th	52nd of 421
Government workers	28.1%	28.9%	22.5%	14.5%	97th	87th of 444
Veterans	9.6%	11.3%	6.8%	6.2%	88th	118th of 446
Median household incomeStrength	$125,732	$133,922	$103,678	$80,734	87th	140th of 414
Median earnings per workerStrength	$69,537	$71,681	$61,200	$49,666	87th	168th of 443
Per capita income	$54,751	$57,710	$52,979	$44,673	79th	193rd of 446
Homeownership rate	78.4%	87.2%	67.6%	65.2%	75th	251st of 441
Median home value	$455,100	$460,200	$419,900	$332,700	70th	171st of 421
Self-employed workers	10.9%	8.5%	8.7%	10%	68th	149th of 444
Tech workers	3.4%	6.3%	6.4%	3.8%	60th	280th of 444
Diversity index	52.6	43.6	67.7	61.4	56th	156th of 446
Rent-burdened renters	52.2%	47.7%	51.5%	51.1%	56th	175th of 404
Residents 65 and older	17.2%	16.3%	16.7%	17.2%	55th	247th of 446
Work from home	13.1%	18.5%	19.3%	15.1%	52nd	290th of 444
Median gross rent	$1,388	$1,759	$1,705	$1,413	49th	226th of 338
Bachelor's degree or higher	30.3%	37%	43.4%	35.7%	47th	279th of 445
Housing vacancy	6.3%	7.3%	7.7%	10.1%	47th	192nd of 441
Median age	38.4	40.8	39.4	38.9	45th	312th of 446
Broadband access	91.6%	93.6%	92.4%	91%	45th	265th of 441
Foreign-born residents	6.6%	4%	16.6%	14.1%	37th	215th of 446
Residents under 18	20.4%	23.1%	22.2%	22%	35th	272nd of 446
Poverty rate	7.5%	3.9%	9.4%	12.5%	28th	197th of 441
Population density	284/sq mi	442/sq mi	639/sq mi	95/sq mi	25th	261st of 446
Population	12,752	94,313	6,206,011	334,922,499	19th	167th of 446
Income inequality (Gini)Strength	0.398	0.383	0.456	0.483	19th	241st of 438
Unemployment rateStrength	2.5%	2.7%	4.9%	5.2%	10th	311th of 444
Uninsured rateStrength	2.6%	3%	6.3%	8.4%	9th	287th of 444
Healthcare workers	4.2%	6.3%	9%	9.7%	2nd	379th 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

13%

5–17

11%

18–24

13%

25–34

15%

35–44

12%

45–54

11%

55–64

11%

65–74

75+

Median age

38.4

Under 18

20.4%

65 and over

17.2%

Race and ethnicity

White66%
Black14%
Hispanic8%
Asian3%
Native American0.1%
Pacific Islander0%
Other1%
Multiracial8%

Diversity index

52.6

U.S. 61.4

Foreign-born

6.6%

U.S. 14.1%

Born in state

55.2%

Language spoken at home (households)

English only

89%

Spanish

Other Indo-European

Asian / Pacific

Other

0.1%

Households

Households: 4,858
Average household size: 2.6
Family households: 69.8%
Married couples: 52.7%
Living alone: 23.3%
Veterans (of adults): 9.6%
Male / female: 51% / 49%

Income and poverty

Household income distribution

<$25k

11%

$25–50k

11%

$50–75k

10%

$75–100k

$100–150k

22%

$150–200k

15%

$200k+

23%

Median household income

20678

$125,732

Calvert Co.

$133,922

Maryland

$103,678

United States

$80,734

Per capita income

$54,751

U.S. $44,673

Poverty rate

7.5%

U.S. 12.5%

Households earning $150K+

38.1%

U.S. 23%

Income inequality (Gini)

0.398

U.S. 0.483

Housing

Median home value

20678

$455,100

Calvert Co.

$460,200

Maryland

$419,900

United States

$332,700

Median gross rent

20678

$1,388

Calvert Co.

$1,759

Maryland

$1,705

United States

$1,413

Types of housing

Single-family

85%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 5,183
Owner-occupied: 78.4%
Vacant: 6.3%
Median year built: 1993
Median rooms: 6.6
Renters paying 30%+ of income: 52.2%
Renters paying 50%+ of income: 31.4%
Home value to income: 3.6× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

77%

Carpooled

Transit

0.6%

Walked

Bicycle

Worked from home

13%

Other

Commute time (one way)

<10 min

10–19

23%

20–29

13%

30–44

10%

45–59

14%

60+

31%

Average commute

39.9 min

U.S. 26.4 min

Unemployment

2.5%

U.S. 5.2%

In labor force

69.6%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

14%

Construction and repair

13%

Office and admin

12%

Sales

10%

Cleaning and personal care

Engineering and science

Education

Police and fire

Business and finance

Food service

Healthcare

Computer and math

Production

Transportation and moving

Legal and social services

Arts, media and sports

Farming, fishing and forestry

0.1%

Industries

Public administration

17%

Construction

15%

Education

Health care and social assistance

Transportation, warehousing and utilities

Professional and technical services

Retail

Other services

Restaurants and hotels

Finance, insurance and real estate

Admin, support and management

Manufacturing

Wholesale

Information

Arts and recreation

Agriculture and mining

0.8%

Median earnings per worker

$69,537

U.S. $49,666

Self-employed

10.9%

U.S. 10%

Government workers

28.1%

U.S. 14.5%

Nonprofit workers

5.3%

U.S. 8.8%

Median earnings by type of work

Type of work	20678	U.S.
Management, business, science and arts	$100,087	$74,888
Service	$36,528	$26,804
Sales and office	$52,690	$40,476
Construction and maintenance	$69,355	$49,199
Production and transportation	$35,938	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

31%

Some college

22%

Associate's

11%

Bachelor's

17%

Graduate

14%

High school graduate or higher: 94.3%
Bachelor's degree or higher: 30.3%
Graduate or professional degree: 13.7%
Households with broadband: 91.6%
Cable, fiber or DSL: 75.1%
No internet access: 5.7%
Without health insurance: 2.6%
Limited-English households: 0.8%

Geography

City (USPS): Prince Frederick
State: Maryland
County: Calvert County
Center point: 38.5251° N, 76.5954° W
Land area: 45 sq mi
Water area: 9.1 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Prince Frederick (unincorporated)8% of zip

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

Zip codes near 20678

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
20610	Barstow, MD · PO box	1.1 mi	—	—	—
20676	Port Republic, MD	3.8 mi	3,218	$156,657	$509,900
20612	Benedict, MD	4.7 mi	148	$41,118	—
20639	Huntingtown, MD	5.3 mi	15,544	$161,422	$555,100
20608	Aquasco, MD	6.9 mi	693	$82,083	$400,000
20685	Saint Leonard, MD	7.2 mi	6,866	$119,135	$450,400
20615	Broomes Island, MD	8.2 mi	460	—	$390,200
20637	Hughesville, MD	8.7 mi	6,133	$160,121	$555,400
20732	Chesapeake Beach, MD	9.4 mi	10,722	$140,304	$448,700
20689	Sunderland, MD	10 mi	1,809	$161,833	$490,500
20659	Mechanicsville, MD	11 mi	24,324	$121,654	$416,900
20736	Owings, MD	11 mi	9,960	$159,851	$567,700

Zip codes like 20678 elsewhere

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

Questions about 20678

What city is zip code 20678?

20678 is assigned to Prince Frederick, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 20678 in?

20678 is in Calvert County, Maryland.

What is the population of 20678?

About 12,752 people live in 20678, according to the Census Bureau's American Community Survey.

What time zone is 20678 in?

20678 is in Eastern Time.

What is the median household income in 20678?

The median household income in 20678 is $125,732.

What zip codes are near 20678?

The closest zip codes to 20678 are 20610, 20676, 20612, 20639, 20608.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 20678, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.