20646

Zip code 20646: La Plata, Maryland

Q: What city is zip code 20646?

20646 is assigned to La Plata, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 20646 in?

20646 is in Charles County, Maryland.

Q: What is the population of 20646?

About 21,400 people live in 20646, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 20646?

The median household income in 20646 is $131,974.

Q: What zip codes are near 20646?

The closest zip codes to 20646 are 20604, 20677, 20675, 20611, 20695.

Residential delivery areaCharles CountyEastern Time

Population

21,400

Median household income

$132K

U.S. $81K

Median home value

$450K

U.S. $333K

Median rent

$1,541/mo

U.S. $1,413

Median age

42.9

U.S. 38.9

Land area

80 sq mi

268 people/sq mi

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

About 20646

20646 is a small-town zip code in La Plata, Maryland (Charles County), covering 80 sq mi of land. About 21,400 people live here, or 268 per square mile. The median resident is 42.9 years old, compared with 38.9 nationally.

The median household earns $131,974 a year, 63% above the national median of $80,734. 5.6% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $450,200, or 3.4 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 87% of occupied homes are lived in by their owners, and renters pay a median of $1,541 a month.

35% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 38.8 minutes each way, and 18% of workers work from home. The most common jobs among working residents are in management; office and administrative support; and sales.

How 20646 compares

Sorted from highest to lowest national percentile

Government workers34.9%
99th
U.S. 14.5% · MD 22.5%42nd of 444 in MD
Average commute38.8 min
96th
WeaknessU.S. 26.4 min · MD 31.1 min66th of 421 in MD
Homeownership rate86.5%
91st
StrengthU.S. 65.2% · MD 67.6%163rd of 441 in MD
Veterans10.6%
91st
U.S. 6.2% · MD 6.8%90th of 446 in MD
Median household income$131,974
90th
StrengthU.S. $80,734 · MD $103,678123rd of 414 in MD
Tech workers7%
90th
U.S. 3.8% · MD 6.4%126th of 444 in MD
Median earnings per worker$70,811
87th
StrengthU.S. $49,666 · MD $61,200157th of 443 in MD
Per capita income$55,317
80th
StrengthU.S. $44,673 · MD $52,979186th of 446 in MD
Median age42.9
76th
U.S. 38.9 · MD 39.4192nd of 446 in MD
Work from home18.3%
73rd
U.S. 15.1% · MD 19.3%193rd of 444 in MD
Median home value$450,200
69th
U.S. $332,700 · MD $419,900183rd of 421 in MD
Diversity index56.2
64th
U.S. 61.4 · MD 67.7137th of 446 in MD
Broadband access93.7%
64th
U.S. 91% · MD 92.4%207th of 441 in MD
Residents 65 and older18%
61st
U.S. 17.2% · MD 16.7%220th of 446 in MD
Median gross rent$1,541
58th
U.S. $1,413 · MD $1,705190th of 338 in MD
Bachelor's degree or higher34.9%
56th
U.S. 35.7% · MD 43.4%243rd of 445 in MD
Housing vacancy6.9%
52nd
U.S. 10.1% · MD 7.7%177th of 441 in MD
Residents under 1821.5%
44th
U.S. 22% · MD 22.2%233rd of 446 in MD
Population21,400
33rd
U.S. 334,922,499 · MD 6,206,011119th of 446 in MD
Foreign-born residents5.6%
32nd
U.S. 14.1% · MD 16.6%243rd of 446 in MD
Population density268/sq mi
24th
U.S. 95/sq mi · MD 639/sq mi267th of 446 in MD
Unemployment rate3.3%
21st
U.S. 5.2% · MD 4.9%268th of 444 in MD
Poverty rate5.6%
16th
StrengthU.S. 12.5% · MD 9.4%258th of 441 in MD
Income inequality (Gini)0.394
16th
StrengthU.S. 0.483 · MD 0.456252nd of 438 in MD
Uninsured rate2.5%
9th
StrengthU.S. 8.4% · MD 6.3%294th of 444 in MD
Healthcare workers5.9%
7th
U.S. 9.7% · MD 9%320th of 444 in MD
Self-employed workers5.6%
7th
U.S. 10% · MD 8.7%363rd of 444 in MD
Rent-burdened renters30.8%
5th
StrengthU.S. 51.1% · MD 51.5%322nd of 404 in MD

Measure	20646	Charles	MD	U.S.	National percentile	Rank in MD
Government workers	34.9%	35.4%	22.5%	14.5%	99th	42nd of 444
Average commuteWeakness	38.8 min	41.4 min	31.1 min	26.4 min	96th	66th of 421
Homeownership rateStrength	86.5%	82.1%	67.6%	65.2%	91st	163rd of 441
Veterans	10.6%	13%	6.8%	6.2%	91st	90th of 446
Median household incomeStrength	$131,974	$122,816	$103,678	$80,734	90th	123rd of 414
Tech workers	7%	7.3%	6.4%	3.8%	90th	126th of 444
Median earnings per workerStrength	$70,811	$67,262	$61,200	$49,666	87th	157th of 443
Per capita incomeStrength	$55,317	$51,110	$52,979	$44,673	80th	186th of 446
Median age	42.9	38.9	39.4	38.9	76th	192nd of 446
Work from home	18.3%	16.4%	19.3%	15.1%	73rd	193rd of 444
Median home value	$450,200	$428,500	$419,900	$332,700	69th	183rd of 421
Diversity index	56.2	65.1	67.7	61.4	64th	137th of 446
Broadband access	93.7%	93.4%	92.4%	91%	64th	207th of 441
Residents 65 and older	18%	13.7%	16.7%	17.2%	61st	220th of 446
Median gross rent	$1,541	$1,920	$1,705	$1,413	58th	190th of 338
Bachelor's degree or higher	34.9%	33.5%	43.4%	35.7%	56th	243rd of 445
Housing vacancy	6.9%	4.6%	7.7%	10.1%	52nd	177th of 441
Residents under 18	21.5%	23.9%	22.2%	22%	44th	233rd of 446
Population	21,400	170,527	6,206,011	334,922,499	33rd	119th of 446
Foreign-born residents	5.6%	8.5%	16.6%	14.1%	32nd	243rd of 446
Population density	268/sq mi	373/sq mi	639/sq mi	95/sq mi	24th	267th of 446
Unemployment rate	3.3%	4.8%	4.9%	5.2%	21st	268th of 444
Poverty rateStrength	5.6%	6.9%	9.4%	12.5%	16th	258th of 441
Income inequality (Gini)Strength	0.394	0.388	0.456	0.483	16th	252nd of 438
Uninsured rateStrength	2.5%	4.6%	6.3%	8.4%	9th	294th of 444
Healthcare workers	5.9%	7.5%	9%	9.7%	7th	320th of 444
Self-employed workers	5.6%	6%	8.7%	10%	7th	363rd of 444
Rent-burdened rentersStrength	30.8%	46.4%	51.5%	51.1%	5th	322nd of 404

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

25–34

14%

35–44

14%

45–54

15%

55–64

10%

65–74

75+

Median age

42.9

Under 18

21.5%

65 and over

18%

Race and ethnicity

White61%
Black24%
Hispanic4%
Asian3%
Native American0.2%
Pacific Islander0.0%
Other0.6%
Multiracial7%

Diversity index

56.2

U.S. 61.4

Foreign-born

5.6%

U.S. 14.1%

Born in state

45.2%

Language spoken at home (households)

English only

91%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 7,756
Average household size: 2.7
Family households: 68.2%
Married couples: 52.7%
Living alone: 29.3%
Veterans (of adults): 10.6%
Male / female: 50% / 50%

Income and poverty

Household income distribution

<$25k

$25–50k

$50–75k

13%

$75–100k

$100–150k

21%

$150–200k

14%

$200k+

28%

Median household income

20646

$131,974

Charles Co.

$122,816

Maryland

$103,678

United States

$80,734

Per capita income

$55,317

U.S. $44,673

Poverty rate

5.6%

U.S. 12.5%

Households earning $150K+

41.7%

U.S. 23%

Income inequality (Gini)

0.394

U.S. 0.483

Housing

Median home value

20646

$450,200

Charles Co.

$428,500

Maryland

$419,900

United States

$332,700

Median gross rent

20646

$1,541

Charles Co.

$1,920

Maryland

$1,705

United States

$1,413

Types of housing

Single-family

90%

2–4 units

0.8%

5–19 units

20+ units

Mobile home

Boat, RV, van

0.1%

Housing units: 8,332
Owner-occupied: 86.5%
Vacant: 6.9%
Median year built: 1988
Median rooms: 7.2
Renters paying 30%+ of income: 30.8%
Renters paying 50%+ of income: 10%
Home value to income: 3.4× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

71%

Carpooled

Transit

Walked

0.8%

Bicycle

0.0%

Worked from home

18%

Other

Commute time (one way)

<10 min

15%

10–19

18%

20–29

11%

30–44

16%

45–59

60+

31%

Average commute

38.8 min

U.S. 26.4 min

Unemployment

3.3%

U.S. 5.2%

In labor force

65.4%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

13%

Office and admin

12%

Sales

12%

Construction and repair

Business and finance

Computer and math

Education

Healthcare

Transportation and moving

Police and fire

Food service

Engineering and science

Cleaning and personal care

Legal and social services

Production

Arts, media and sports

Farming, fishing and forestry

0.2%

Industries

Public administration

19%

Retail

11%

Education

11%

Professional and technical services

Health care and social assistance

Construction

Finance, insurance and real estate

Other services

Restaurants and hotels

Transportation, warehousing and utilities

Admin, support and management

Manufacturing

Wholesale

Arts and recreation

Information

Agriculture and mining

0.4%

Median earnings per worker

$70,811

U.S. $49,666

Self-employed

5.6%

U.S. 10%

Government workers

34.9%

U.S. 14.5%

Nonprofit workers

9.6%

U.S. 8.8%

Median earnings by type of work

Type of work	20646	U.S.
Management, business, science and arts	$101,757	$74,888
Service	$39,389	$26,804
Sales and office	$48,600	$40,476
Construction and maintenance	$72,712	$49,199
Production and transportation	$36,591	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

29%

Some college

23%

Associate's

Bachelor's

19%

Graduate

16%

High school graduate or higher: 96.3%
Bachelor's degree or higher: 34.9%
Graduate or professional degree: 15.7%
Households with broadband: 93.7%
Cable, fiber or DSL: 81%
No internet access: 4%
Without health insurance: 2.5%
Limited-English households: 0.8%

Geography

City (USPS): La Plata
State: Maryland
County: Charles County
Center point: 38.5207° N, 76.9999° W
Land area: 80 sq mi
Water area: 0.7 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

La Plata9% of zip
Bryans Road (unincorporated)5% of zip

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

Zip codes near 20646

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
20604	Waldorf, MD · PO box	1.3 mi	—	—	—
20677	Port Tobacco, MD	2.7 mi	2,088	$165,764	$576,700
20675	Pomfret, MD	4.4 mi	1,796	$127,269	$483,700
20611	Bel Alton, MD	4.6 mi	1,219	$151,607	$460,900
20695	White Plains, MD	4.8 mi	16,407	$141,959	$470,900
20693	Welcome, MD	6.4 mi	1,496	$126,033	$375,200
20602	Waldorf, MD	7.1 mi	28,331	$107,360	$376,800
20632	Faulkner, MD	7.2 mi	485	—	$474,500
20603	Waldorf, MD	7.6 mi	31,844	$137,946	$453,700
20643	Ironsides, MD · PO box	8.1 mi	—	—	—
20617	Bryantown, MD	8.1 mi	334	$104,036	$501,800
20658	Marbury, MD	9.2 mi	866	$104,375	$340,000

Zip codes like 20646 elsewhere

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

Questions about 20646

What city is zip code 20646?

20646 is assigned to La Plata, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 20646 in?

20646 is in Charles County, Maryland.

What is the population of 20646?

About 21,400 people live in 20646, according to the Census Bureau's American Community Survey.

What time zone is 20646 in?

20646 is in Eastern Time.

What is the median household income in 20646?

The median household income in 20646 is $131,974.

What zip codes are near 20646?

The closest zip codes to 20646 are 20604, 20677, 20675, 20611, 20695.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 20646, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.