ZIP Code 20646

ZIP Code Tabulation Area in Charles County, Maryland.

Population: 21,601
Median household income: $130,008
Median home value: $435,100

ZIP Code 20646 (Charles County, Maryland) is home to about 21,601 residents. At $130,008, its median household income sits above Charles County's $120,592.

Between 2019 and 2023, ZIP Code 20646's population declined 1.6% from 21,951 to 21,601, while its median gross rent rose 5.2% from $1,413 to $1,486.

33.4% of adults 25 and older hold a bachelor's degree or higher. Owners occupy 85.1% of the area's occupied homes.

Demographics

ACS 2019–2023

Population: 21,601
Median age: 43.4 yrs
Median household income: $130,008
Median home value: $435,100
Median gross rent: $1,486
Housing units: 8,263
Homeownership rate: 85.1%
Bachelor's degree or higher: 33.4%
Unemployment rate: 3.3%

Trends

ACS 5-year · 2019–2023

Population

21,95121,601

Median household income

$103,453$130,008

Median home value

$360,700$435,100

Median gross rent

$1,413$1,486

Year	Population	Median household income	Median home value	Median gross rent
2019	21,951	$103,453	$360,700	$1,413
2020	22,583	$114,309	$362,400	$1,421
2021	20,608	$119,306	$368,900	$1,556
2022	21,248	$130,168	$431,900	$1,590
2023	21,601	$130,008	$435,100	$1,486

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 54.2%

5 to 1717.1%

18 to 248.1%

25 to 3410.4%

35 to 4412.3%

45 to 5415.6%

55 to 6415.4%

65 to 749.3%

75 and over7.6%

	Count	Share
Under 5	913	4.2%
5 to 17	3,695	17.1%
18 to 24	1,750	8.1%
25 to 34	2,242	10.4%
35 to 44	2,658	12.3%
45 to 54	3,366	15.6%
55 to 64	3,322	15.4%
65 to 74	2,004	9.3%
75 and over	1,651	7.6%

Race & ethnicity

	Count	Share
White (non-Hispanic)	13,350	61.8%
Black or African American	5,134	23.8%
American Indian & Alaska Native	43	0.2%
Asian	695	3.2%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	123	0.6%
Two or more races	1,319	6.1%
Hispanic or Latino (any race)	937	4.3%

Educational attainment (age 25+)

No high school diploma5.0%

High school graduate28.5%

Some college or associate's33.1%

Bachelor's degree19.2%

Graduate or professional degree14.2%

	Count	Share
No high school diploma	760	5.0%
High school graduate	4,349	28.5%
Some college or associate's	5,045	33.1%
Bachelor's degree	2,929	19.2%
Graduate or professional degree	2,160	14.2%

Commute to work

Mean travel time to work: 39 min

Drove alone71.5%

Carpooled7.4%

Public transit2.2%

Walked0.5%

Bicycle0.0%

Worked from home17.6%

Other means0.8%

How workers get to work

	Count	Share
Drove alone	7,798	71.5%
Carpooled	808	7.4%
Public transit	243	2.2%
Walked	56	0.5%
Bicycle	0	0.0%
Worked from home	1,923	17.6%
Other means	85	0.8%

Travel time

	Count	Share
Under 15 min	1,839	20.5%
15 to 29 min	1,999	22.2%
30 to 44 min	1,501	16.7%
45 to 59 min	827	9.2%
60+ min	2,824	31.4%

Households

Average household size: 2.74
Poverty rate: 4.0% (844 of 21,004)

	Count	Share
Family households	5,397	70.5%
Nonfamily households	2,260	29.5%

Housing

Median year structure built: 1988

Occupancy

	Count	Share
Occupied	7,657	92.7%
Vacant	606	7.3%

Tenure (of occupied units)

	Count	Share
Owner-occupied	6,519	85.1%
Renter-occupied	1,138	14.9%

1-unit, detached72.9%

1-unit, attached16.6%

2 to 4 units1.2%

5 to 19 units4.2%

20 or more units4.3%

Mobile home & other0.9%

Units in structure

	Count	Share
1-unit, detached	6,020	72.9%
1-unit, attached	1,374	16.6%
2 to 4 units	100	1.2%
5 to 19 units	343	4.2%
20 or more units	354	4.3%
Mobile home & other	72	0.9%

ZIP Code 20646

Demographics

Trends

Age distribution

Race & ethnicity

Educational attainment (age 25+)

Commute to work

Households

Housing

Geography

Counties this ZIP covers

Compare with nearby ZIP codes

National ZIP rankings

Nearby ZIP codes