Background: Iodine Deficiency Disorder is one of the biggest worldwide public health problems of today. Fortification of salt with iodine is recognized as the most simple and cost effective strategy to achieve recommended daily intake of iodine. Hence this study wanted to assess coverage of adequately iodized salt & associated factors at household level in Goba town. Methods: Community based cross-sectional survey conducted among 598 households using concurrent qualitative & quantitative method in Goba town, South East Ethiopia from August 1-30, 2013. Data were collected by trained diploma nurses supervised by BSC nurses. Interviewer administered questionnaire & rapid field test kits were used to collect the data. Data were cleaned, coded & entered in to EPI Info and exported to SPSS for analysis. Data were summarized in tables & charts. Variables having p value ≤ 0.2 in univariate analysis were entered into multivariate logistic regression to test association between the outcome and predictable variables at p value ≤ 0.05. Results: From a total of 596 households included in the study, only 30% of the households were covered by adequately iodized salt. Regarding the associated factors, about coverage of adequately iodized salt, not exposing to sunlight, purchasing from supermarkets or big shops & perceived cheap were found to be statistically significant with AOR (95% CI) = 2.20 (1.31, 3.60), 1.91 (1.10, 3.34), 1.70 (1.10, 2.0) respectively. Conclusion: Coverage of adequately iodized salt at household level was low (30%) in Goba town. The main associated factors were not exposing to sun light, purchased from big shop or supermarket & perceived cheap. Households’ should be educated about proper handling of iodized salt at household level.