SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q/A

Amendment No. 1

(Mark One)

For the quarterly period ended June 30, 2012 or

For the transition period from to______

Commission File Number: 0-26128

NorthWest Indiana Bancorp

(Exact name of registrant as specified in its charter)

Registrant's telephone number, including area code: (219) 836-4400

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x No ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes x No ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer”, “accelerated filer”, and “smaller reporting company” in Rule 12b-2 of the Exchange Act (Check one):

Large accelerated filer ¨ Accelerated filer ¨ Non-accelerated filer ¨ Smaller Reporting Company x
(Do not check if a smaller reporting company)

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ¨ No x

There were 2,839,224 shares of the registrant’s Common Stock, without par value, outstanding at June 30, 2012.

EXPLANATORY NOTE

This Amendment No. 1 to Northwest Indiana Bancorp's (“the Company") Quarterly Report on Form 10-Q for the period ended June 30, 2012 ("Form 10-Q"), as filed with the Securities and Exchange Commission on July 23, 2012, is being filed to furnish Exhibit 101 to the Form 10-Q as required by Rule 405 of Regulation S-T. Exhibit 101 to this Amendment No. 1 to Form 10-Q furnishes the following items in eXtensible Business Reporting Language: (i) the Company's consolidated balance sheets as of June 30, 2012 (unaudited) and December 31, 2011, (ii) the Company's unaudited consolidated statements of income for the three and six months ended June 30, 2012 and 2011, (iii) the Company's unaudited consolidated statements of comprehensive income for the three and six months ended June 30, 2012 and 2011, (iv) the Company's unaudited consolidated statements of cash flows for the six months ended June 30, 2012 and 2011, and (iv) the notes to the Company's consolidated financial statements (unaudited).

No changes have been made to the Form 10-Q other than the furnishing of Exhibit 101. This Amendment No. 1 to Form 10-Q does not reflect subsequent events occurring after the original filing date of the Form 10-Q or modify or update in any way disclosures made in the Form 10-Q.

PART II - Other Information

Exhibits

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.