US Census Data

ZIP Code 21660

ZIP Code Tabulation Area in Caroline County, Maryland.

Population
4,244
-1.1%’19–’23
Median household income
$76,917
+17.6%’19–’23
Median home value
$322,500
+38.5%’19–’23

Covering part of Caroline County, Maryland, ZIP Code 21660 has about 4,244 residents. The median household income of $76,917 is above the Caroline County median ($66,368).

From 2019 to 2023, ZIP Code 21660's population declined 1.1% from 4,292 to 4,244, while its median gross rent rose 27.9% from $788 to $1,008.

The median gross rent is $1,008. 17.3% of adults 25 and older hold a bachelor's degree or higher.

Demographics

ACS 2019–2023
Population
4,244
Median age
35.6 yrs
Median household income
$76,917
Median home value
$322,500
Median gross rent
$1,008
Housing units
1,571
Homeownership rate
72.6%
Bachelor's degree or higher
17.3%
Unemployment rate
6.6%

Trends

ACS 5-year · 2019–2023
Population
4,2924,244
Median household income
$65,385$76,917
Median home value
$232,900$322,500
Median gross rent
$788$1,008
YearPopulationMedian household incomeMedian home valueMedian gross rent
20194,292$65,385$232,900$788
20204,361$62,883$249,100$931
20213,942$71,900$253,100$923
20224,100$78,922$292,300$892
20234,244$76,917$322,500$1,008

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

Age distribution

CountShare
Under 53357.9%
5 to 1772617.1%
18 to 242987.0%
25 to 3471816.9%
35 to 4455313.0%
45 to 5463915.1%
55 to 6444410.5%
65 to 742726.4%
75 and over2596.1%

Race & ethnicity

CountShare
White (non-Hispanic)3,14974.2%
Black or African American53112.5%
American Indian & Alaska Native00.0%
Asian431.0%
Native Hawaiian & Pacific Islander00.0%
Some other race431.0%
Two or more races1643.9%
Hispanic or Latino (any race)3147.4%

Educational attainment (age 25+)

CountShare
No high school diploma35112.2%
High school graduate1,18941.2%
Some college or associate's84629.3%
Bachelor's degree31911.1%
Graduate or professional degree1806.2%

Commute to work

Mean travel time to work
37 min

How workers get to work

CountShare
Drove alone1,69679.1%
Carpooled894.1%
Public transit00.0%
Walked954.4%
Bicycle00.0%
Worked from home1567.3%
Other means1095.1%

Travel time

CountShare
Under 15 min35918.0%
15 to 29 min43621.9%
30 to 44 min51225.7%
45 to 59 min24812.5%
60+ min43421.8%

Households

Average household size
2.76
Poverty rate
5.4% (224 of 4,177)
CountShare
Family households1,08772.6%
Nonfamily households41027.4%

Housing

Median year structure built
1988

Occupancy

CountShare
Occupied1,49795.3%
Vacant744.7%

Tenure (of occupied units)

CountShare
Owner-occupied1,08772.6%
Renter-occupied41027.4%

Units in structure

CountShare
1-unit, detached1,31984.0%
1-unit, attached00.0%
2 to 4 units1439.1%
5 to 19 units573.6%
20 or more units493.1%
Mobile home & other30.2%

Geography

ZCTA
21660
Land area
33 sq mi
Water area
0.04 sq mi
Center point
38.9562, -75.8889

Counties this ZIP covers

1

Compare with nearby ZIP codes

6

National ZIP rankings

21

Nearby ZIP codes

18