21774 is a Postal Code in Frederick County.
- 21774 a.k.a. Alcea rosea is an ornamental plant in the Malvaceae family.
- 21774 a.k.a. Cashin' In: Cashin' In is an American business analysis program, the fourth and last show of the The Cost of Freedom business block, on Saturdays at 11:30 am ET on the Fox News Channel. Eric Bolling took over hosting duties in January 2013. The show was originally hosted by FNC senior business correspondent Terry Keenan until her departure from the network September 2009. Cheryl Casone hosted from September 2009 until January 2013.