ZIP code 21723
21723 is in Howard County, Maryland.
669Residents
$241,250Median household income
$1,005,500Median home value
48.3Median age
82%Adults with a bachelor’s degree or higher
95%Homes lived in by their owners
4.2×Home value to household income
Other ZIP codes in Howard County
- 21043 $148,125
- 21044 $135,057
- 21042 $190,061
- 21045 $118,563
- 21075 $135,303
- 20723 $138,113
- 20794 $116,406
- 21046 $127,813
- 21029 $243,542
- 21797 $189,241
- 20759 $250,001
- 21104 $191,804
All ZIP codes in Maryland · Highest-paying jobs in Maryland
Source: Census ACS 2024 ACS 5-year, ZIP code tabulation areas. ZCTAs approximate postal ZIP codes and can differ from them. Small areas carry larger margins of error.