US Census Data

ZIP Code 20688

ZIP Code Tabulation Area in Calvert County, Maryland.

Population
1,113
-36.4%’19–’23
Median household income
$88,902
-12.0%’19–’23

ZIP Code 20688 is a ZIP Code Tabulation Area in Calvert County, Maryland, home to about 1,113 residents. At $88,902, its median household income sits below Calvert County's $132,059.

Between 2019 and 2023, ZIP Code 20688's population declined 36.4% from 1,749 to 1,113, while its median gross rent rose 29.7% from $2,313 to $3,000.

Households average 1.67 people. The median gross rent is $3,000.

Demographics

ACS 2019–2023
Population
1,113
Median age
72.1 yrs
Median household income
$88,902
Median home value
Median gross rent
$3,000
Housing units
726
Homeownership rate
50.4%
Bachelor's degree or higher
44.1%
Unemployment rate
3.8%

Trends

ACS 5-year · 2019–2023
Population
1,7491,113
Median household income
$101,000$88,902
Median home value
$389,600$436,800
Median gross rent
$2,313$3,000
YearPopulationMedian household incomeMedian home valueMedian gross rent
20191,749$101,000$389,600$2,313
20201,945$110,088$450,000$2,500
20211,390$115,680$465,600$3,034
20221,170$89,295$436,800$2,868
20231,113$88,902$3,000

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

Age distribution

CountShare
Under 500.0%
5 to 1700.0%
18 to 2400.0%
25 to 3414012.6%
35 to 4400.0%
45 to 54373.3%
55 to 6428625.7%
65 to 7419017.1%
75 and over46041.3%

Race & ethnicity

CountShare
White (non-Hispanic)1,08597.5%
Black or African American30.3%
American Indian & Alaska Native00.0%
Asian00.0%
Native Hawaiian & Pacific Islander00.0%
Some other race00.0%
Two or more races10.1%
Hispanic or Latino (any race)242.2%

Educational attainment (age 25+)

CountShare
No high school diploma121.1%
High school graduate24321.8%
Some college or associate's36733.0%
Bachelor's degree21018.9%
Graduate or professional degree28125.2%

Commute to work

Mean travel time to work
34 min

How workers get to work

CountShare
Drove alone12856.1%
Carpooled00.0%
Public transit00.0%
Walked10.4%
Bicycle00.0%
Worked from home9039.5%
Other means93.9%

Travel time

CountShare
Under 15 min3525.4%
15 to 29 min2316.7%
30 to 44 min3726.8%
45 to 59 min00.0%
60+ min4331.2%

Households

Average household size
1.67
Poverty rate
0.2% (2 of 1,066)
CountShare
Family households28044.0%
Nonfamily households35756.0%

Housing

Median year structure built
1996

Occupancy

CountShare
Occupied63787.7%
Vacant8912.3%

Tenure (of occupied units)

CountShare
Owner-occupied32150.4%
Renter-occupied31649.6%

Units in structure

CountShare
1-unit, detached15120.8%
1-unit, attached15621.5%
2 to 4 units00.0%
5 to 19 units8511.7%
20 or more units33446.0%
Mobile home & other00.0%

Geography

ZCTA
20688
Land area
1.15 sq mi
Water area
2.25 sq mi
Center point
38.3273, -76.4643

Counties this ZIP covers

1

Compare with nearby ZIP codes

6

National ZIP rankings

21

Nearby ZIP codes

11