The ceremony was held at the Disabled American Veterans office.
The press release went on to say, "I am eager to get to work on behalf of my constituents. There are many issues facing our nation and I will work with anyone who loves this country as much as I do to get her moving again."
Shortly before the election, Walsh made polarizing statements about abortion that brought a slew of criticism to him and his campaign.
Walsh has since hinted he would consider a run for Illinois governor in 2014.