Exhibit 23.1




            Consent of Independent Registered Public Accounting Firm



We consent to the  incorporation  by  reference in this  Registration  Statement
(Form S-8) pertaining to the Insight  Communications  Company,  Inc. 1999 Equity
Incentive  Plan of our report  dated  March 7,  2005,  except for Note 16, as to
which the date is March 15,  2005,  with respect to the  consolidated  financial
statements of Insight Communications Company, Inc. included in its Annual Report
(Form 10-K) for the year ended  December 31, 2004, and our report dated March 7,
2005  with  respect  to  Insight   Communications   Company,  Inc.  management's
assessment of the  effectiveness of internal  control over financial  reporting,
and the  effectiveness of internal  control over financial  reporting of Insight
Communications Company, Inc. filed with the Securities and Exchange Commission.


                                                      /s/ Ernst & Young LLP



New York, New York
April 28, 2005