Conowingo (21918) has an estimated 4,284 residents with 4,263 of those people in approximately 1,511 housing units. The 21918 zipcode contains 923 housing units that are owned with a mortgage or a loan, 395 housing units that are owned free and clear and 193 housing units that are renter occupied.

Zip code 21918 is in the Philadelphia-Camden-Wilmington metropolitan area.
The median estimated home value in Conowingo, MD (21918) is $236,400 as of 2018-10-31 . Home values here have declined by 0.34%.

In Conowingo, MD (21918), values have dropped by -0.14 from when they peaked at $273,700 in 2007-Q3

The Zillow Market Health Index for Conowingo, MD (21918) is 4.00. The corresponding state value is 0.78. This is significantly higher than the overall Market Health Index of Maryland.