This study aims to determine the level of inequality and economic basis Wonogiri Districts in 2010-2014. This study uses secondary data, Gross Regional Domestic Product (GRDP) at Constant Prices of 2000, the GRDP per capita, Population and Economic Growth.

The analytical method used in this research includes analysis of Williamson index, Theil Entropy Index, Static Location Quotient (SLQ) and Dynamic Location Quotient (DLQ).

Based on the results of analysis showed that the imbalance between districts based Williamson index tends to decrease, the greatest inequality in Wonogiri Regency Wonogiri contained in the District. and the smallest income inequality in the District Eromoko. Entropy Theil index shows that inequality between districts in Wonogiri tends to decrease. Districts with the greatest income inequality is the District Karangtengah and the lowest inequality is the District Purwatoro. SLQ analysis results indicate that the agricultural sector is the largest sector basis in 16 districts in Wonogiri. DLQ analysis results showed that, the Agricultural Sector; Trade Sector; Hotel & Restaurant; Transport & Communications sector is a sector basis spread in 24 sub-districts in Wonogiri.

Suggestions from this study Wonogiri regency government expected improvement of infrastructure such as roads, bridges, irrigation canals, communications networks, and so on. In addition, Wonogiri District Government should develop the potential contained in each district so that the inequality between districts more evenly.

Keywords: Income Inequality, Base Sector, Sector Non Base