Smith caught seven passes for 85 yards in Week 2, and five passes for 92 yards in Week 3. He scored his first touchdown of the season in a Week 4 loss to the Buffalo Bills. He finished the game catching five passes for a total of 166 yards, and even had a 74-yard catch. On October 6, 2013, Smith caught six passes for 121 yards in a win against the Miami Dolphins.
In March 2013, Smith worked as an intern for Maryland Rep. Elijah Cummings, working out of Baltimore. On March 28, 2013, the Ravens picked Smith to represent the team at the Maryland State capital in Annapolis. Smith, along with Ravens' president Dick Cass spoke to the assembled members of the Maryland House of Delegates and then the Maryland State Senate. While a member of the San Francisco 49ers in 2016, Smith was the team's nominee for that year's Walter Payton award for his community involvement.
Smith married his longtime girlfriend, Chanel Williams, on July 11, 2013. The two met at the University of Maryland, where Williams ran track and Smith played football. On September 30, 2013, Smith tweeted that his wife is pregnant. On April 4, 2014, Chanel gave birth to their first child, a son named Torrey "TJ" Jeremiah. Torrey's second son, Kameron James, was born on June 22, 2016. The Smiths' third child, a daughter, named Kori Lynn Smith, was born on December 18, 2018.