Climbing from $664m in 2011.
Media advisor, BIA/Kelsey, expects local companies in the US to flock to mobile as a primary means of advertising in the next few years, generating revs of $5.8bn in 2016.
That's equivalent to a 54.2 per cent compound annual growth rate (CAGR), rising from $664m in 2011.
Meanwhile, total mobile ad revs in the States are set to grow from $1.6bn last year to $9.9bn in 2016 with local accounting for 41 per cent of the total in 2011, rising to 58 per cent within the next four years.
Michael Boland, program director, mobile local media, BIA/Kelsey, said: "Growth drivers include smartphone penetration, location data, ad targeting innovation and advertiser evolution to utilise these factors for higher-performing mobile local ad campaigns.
"New mobile ad formats will also drive demand including Facebook's quickly evolving options like sponsored stories and app install ads – currently accounting for 14 per cent of Facebook's revenues and quickly growing."