20. San Antonio-New Braunfels, TX
> Job openings as of April: 34,895
> Median salary: $55,000
> Population: 2,384,075
> Net migration 2010-2015: +152,107
> Unemployment rate: 3.7%
19. Pittsburgh, PA
> Job openings as of April: 50,127
> Median salary: $56,896
> Population: 2,353,045
> Net migration 2010-2015: +15,854
> Unemployment rate: 5.5%
18. Louisville/Jefferson County, KY-IN
> Job openings as of April: 26,311
> Median salary: $54,000
> Population: 1,278,413
> Net migration 2010-2015: +21,756
> Unemployment rate: 4.6%
17. Baltimore-Columbia-Towson, MD
> Job openings as of April: 67,209
> Median salary: $58,000
> Population: 2,797,407
> Net migration 2010-2015: +35,502
> Unemployment rate: 4.9%
16. Indianapolis-Carmel-Anderson, IN
> Job openings as of April: 38,934
> Median salary: $56,000
> Population: 1,988,817
> Net migration 2010-2015: +42,037
> Unemployment rate: 4.7%