ZIP Code 20636

ZIP Code Tabulation Area in St. Mary's County, Maryland.

Population: 10,357
Median household income: $159,800
Median home value: $470,300

ZIP Code 20636 is a ZIP Code Tabulation Area in St. Mary's County, Maryland, home to about 10,357 residents. At $159,800, its median household income sits above St. Mary's County's $114,580.

From 2019 to 2023, ZIP Code 20636's population declined 4.1% from 10,805 to 10,357, while its median gross rent fell 11.9% from $1,315 to $1,158.

89.1% of homes are single-family detached houses. The typical home was built around 1994.

Demographics

ACS 2019–2023

Population: 10,357
Median age: 39.5 yrs
Median household income: $159,800
Median home value: $470,300
Median gross rent: $1,158
Housing units: 3,906
Homeownership rate: 87.6%
Bachelor's degree or higher: 37.4%
Unemployment rate: 4.2%

Trends

ACS 5-year · 2019–2023

Population

10,80510,357

Median household income

$110,154$159,800

Median home value

$375,300$470,300

Median gross rent

$1,315$1,158

Year	Population	Median household income	Median home value	Median gross rent
2019	10,805	$110,154	$375,300	$1,315
2020	11,295	$123,262	$410,300	$1,323
2021	10,421	$129,948	$408,200	$1,196
2022	11,089	$151,193	$444,400	$1,096
2023	10,357	$159,800	$470,300	$1,158

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

Age distribution

Under 56.3%

5 to 1717.2%

18 to 248.1%

25 to 3410.6%

35 to 4414.6%

45 to 5414.8%

55 to 6414.2%

65 to 748.7%

75 and over5.6%

	Count	Share
Under 5	655	6.3%
5 to 17	1,777	17.2%
18 to 24	838	8.1%
25 to 34	1,097	10.6%
35 to 44	1,507	14.6%
45 to 54	1,532	14.8%
55 to 64	1,471	14.2%
65 to 74	905	8.7%
75 and over	575	5.6%

Race & ethnicity

	Count	Share
White (non-Hispanic)	8,552	82.6%
Black or African American	388	3.7%
American Indian & Alaska Native	11	0.1%
Asian	154	1.5%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	20	0.2%
Two or more races	495	4.8%
Hispanic or Latino (any race)	737	7.1%

Educational attainment (age 25+)

No high school diploma9.6%

High school graduate28.6%

Some college or associate's24.4%

Bachelor's degree19.8%

Graduate or professional degree17.6%

	Count	Share
No high school diploma	683	9.6%
High school graduate	2,029	28.6%
Some college or associate's	1,727	24.4%
Bachelor's degree	1,403	19.8%
Graduate or professional degree	1,245	17.6%

Commute to work

Mean travel time to work: 30 min

Drove alone70.4%

Carpooled7.1%

Public transit0.5%

Walked0.3%

Bicycle0.0%

Worked from home21.2%

Other means0.5%

How workers get to work

	Count	Share
Drove alone	3,895	70.4%
Carpooled	392	7.1%
Public transit	30	0.5%
Walked	19	0.3%
Bicycle	0	0.0%
Worked from home	1,174	21.2%
Other means	26	0.5%

Travel time

	Count	Share
Under 15 min	567	13.0%
15 to 29 min	2,075	47.6%
30 to 44 min	897	20.6%
45 to 59 min	253	5.8%
60+ min	570	13.1%

Households

Average household size: 3.04
Poverty rate: 5.5% (563 of 10,310)

	Count	Share
Family households	2,745	80.7%
Nonfamily households	655	19.3%

Housing

Median year structure built: 1994

Occupancy

	Count	Share
Occupied	3,400	87.0%
Vacant	506	13.0%

Tenure (of occupied units)

	Count	Share
Owner-occupied	2,978	87.6%
Renter-occupied	422	12.4%

1-unit, detached89.1%

1-unit, attached5.7%

2 to 4 units3.0%

5 to 19 units0.3%

20 or more units0.0%

Mobile home & other1.8%

Units in structure

	Count	Share
1-unit, detached	3,480	89.1%
1-unit, attached	223	5.7%
2 to 4 units	119	3.0%
5 to 19 units	12	0.3%
20 or more units	0	0.0%
Mobile home & other	72	1.8%

ZIP Code 20636

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