SUMMARY
The purpose of this study was to see whether there is influence of Construction Cost Index, Economic Growth and Capital Expenditure Allocation simultaneously and partially on the Human Development Index (HDI) in the District/Town of North Sumatera. This study used a sample of 25 (twenty five) than 33 (thirty three) District/Town of North Sumatera during a period of 6 years from 2005 to 2011. Variable Construction Cost Index, Economic Growth and Capital Expenditure Allocation using the data of 2005-2010, while for the variable Human Development Index (HDI) using data for 2006 to 2011. By using multiple regression analysis and testing classical assumption of normality, multicollinearity, heteroscedasticity and autocorrelation. The results showed simultaneous variable Construction Cost Index, Economic Growth and Capital Expenditure significant effect on the Human Development Index (HDI) in the District/Town of North Sumatra. The results of this study reinforce research Sihombing (2009) and Kharismawan (2009). In partial Construction Cost Index and Economic Growth significant effect on the Human Development Index (HDI) in the District/Town of North Sumatera. While variable Capex / Development no significant effect on the Human Development Index (HDI) in the District/Town of North Sumatera.