Polk Broadband Plan - Page 37

POLK COUNTY BROADBAND PLAN Population projections are provided by the Florida Bureau of Economic and Business Research (BEBR). Given the medium level of projected growth, Polk County is expected to gain over 300,000 new residents between 2010 and 2040 (see Figure 14). 1,200,000 1,000,000 800,000 600,000 400,000 200,000 0 1980 1990 2000 2010 2020 2030 2040 Decennial Census BEBR Projected Population Population High Medium Low Figure 14. Polk County’s Actual and Projected Population, 1980-2040 Data source: Bureau of Economic and Business Research The Polk County Transportation Planning Organization (TPO) projects future population and employment levels at the Traffic Analysis Zone (TAZ) level. TAZs are defined by the Census Bureau.18 Figure 15 shows the projected percent change in population per square mile for each TAZ in Polk County from 2010 to 2020. Figure 15. Projected Percent Change in Population Per Square Mile, 2010-2020 Data source: Polk Transportation Planning Organization 18 U.S. Census Bureau website. “Traffic Analysis Zones.” http://www.census.gov/geo/www/cob/tz_metadata.html (retrieved Jan. 10, 2012). 35