Economy The economy in Polk County, which includes the Lakeland industrial market, continued its upward momentum, adding 7,600 jobs for an annual growth rate of 3.4%. As of February 2019, the unemployment rate was 3.9%, a 50 basis points (bps) year-over-year decrease. Most industrial-using employment sectors gained jobs throughout Polk County with the Trade, Transportation, & Utilities sector adding 1,200 new positions for an annual growth rate of 7.7%. Due to the region’s robust consumer demand, many in- and new-to-market users are taking space benefiting Tampa Bay’s industrial market.