Document And Entity Information (USD $)	12 Months Ended
	Dec. 31, 2011	Mar. 07, 2012	Jun. 30, 2011
Entity Registrant Name	Artesian Resources Corporation
Entity Central Index Key	0000863110
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Public Float			$ 123,131,000
Entity Common Stock, Shares Outstanding		8,620,567
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	FY
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2011