This is the information everyone is looking for. It is current as of the day I am posting this:
Charles County Code
Chapter 297: Zoning Regulations
Article XIII: Minimum Standards for Special Exceptions and Uses Permitted With Conditions
§ 297-212 Uses corresponding with Table of Permissible Uses
http://www.ecode360.com/27246896?highlight=poultry#27246896
1.01.310 Horses, livestock maintained as pets and 4-H or school projects on less than or equal to five acres. This use is permitted with conditions in all zones, provided that the following requirements are met:
[Amended 12-7-1993 by Ord. No. 93-100; 11-21-1994 by Ord. No. 94-100]
A. The keeping of horses and other large livestock such as cattle, swine, goats and sheep in any residential zone shall be permitted on lots or parcels of two acres or more with a minimum of one acre per animal.
B. Small livestock, such as poultry and rabbits, shall be permitted, provided that the ratio of animals to acreage set forth in the following schedule is met and the animals must be maintained in a humane, secure and sanitary fashion so as not to create a detriment or nuisance to the public:
Acreage
Number of Animals
(per acre)
Less than 2 acres
2 adult animals
Greater than 2 acres
4 adult animals