SPRINGFIELD — The state could lose a congressional seat and millions of dollars in federal funding after the 2020 U.S. Census, the result of Illinois’ declining population, this as other states grow. That has lead Gov. J.B. Pritzker to dedicate $29 million to census outreach efforts and to create a state census agency.Executive Order 19-10, signed by Pritzker last week, creates a census office as part of the …