No free Negro, or mulatto, not residing in this state at the time of adoption of this constitution, shall ever come, reside, or be within this state, or hold any real estate, or make any contract, or maintain any suit therein; and the legislative assembly shall provide by penal laws for the removal by public officers of all such free negroes who shall bring them into the state, or employ or harbor them therein
For the better part of Illinois' antebellum history, free blacks were only allowed to enter the state after posting a $1000 bond. In 1848, Illinois changed its constitution to absolutely prohibit the entrance of free blacks. In 1853, Illinois enacted legislation to enforce the ban. Further, Indiana's Constitution barred free blacks from owning property or entering contracts. Perhaps we need to discuss how many free blacks there were in a slave state such as Virginia (58,042) or North Carolina (30,463) compared to the 'free' states of Vermont (709) and Maine (1,327). But did Oregon's constitution work? Well apparently it did because in 1860 only 128 free blacks lived in the state out of a population of 52,456. From my understanding of the Illinois codes, blacks could be grandfathered in, so that any that lived there before 1853 still lived there. But it looks as if Oregon and Vermont (who both sided with the union) did quite well in enforcing their black laws now doesn't it?