Rapid urbanization is possibly the most prevailing demographic process in most developing countriesrnin recent decades, but some urban areas are not well prepared to satisfy the growing demands of thernresidents. With the current continuing urbanization, increasing urban poverty trends, and rapid rUIluprnin prices of food, the question of urban food security could become one of the greatest challengernfor many urban households, and the concern offood security are progressively shifting from rural tornurban. A study was conducted in to investigate the main determinants and state of urban householdrnfood security, causes and impacts of food insecurity on the household's behavioural and socioeconomicrnaspects as well as their coping strategies. Both qualitative and quantitative methodologiesrnwere applied. By considering as the most appropriate approach to have a great understanding ofrnrealities regarding the research objectives through dialogue between the researcher and respondents;rnfor soliciting knowledge, opinions, perceptions, experiences and views of participants to get thernintricate details of phenomena, qualitative methods were applied as a dominant approach in thernstudy. Quantitative method was also applied to show some numerical data. The triangulation of semistructuredrninterview of sample households, in-depth interview with key informants, focus grouprndiscussions, observations, in-depth study of case households, published and unpublished materialsrnwere employed as sources of data. The entire data were analyzed based on the meanings, opinions,rnand life experiences of the people reside in Hosaina town. Generally, the study found that the state ofrnfood security for the majority of the sample households was get worse. This was verified mainly by therndata collected regarding to the current state of diet of the households: food variety, number of mealsrnper day and trends of food consumption over time had declined to a low level. Householdrncomposition, Sources of income, amount of income and market prices were identified as the majorrnfactors that determine urban household food security. Poverty, lack of productive assets,rnunemployment, high dependency on the casual jobs, rapid urbanization, alld increase ill prices of foodrnand other commodities were distinguished asfactors contributingfor the occurrence or exacerbatingrnhousehold food insecurity. Emotional problems, hunger, productivity losses, inefficient incomernearning, poor performance and higher risk of chronic disease were explained by the households asrnsome of the impacts of food insecurity. A number of coping strategies were employed to cope withrnfood shortages. After all, the study recommended expanding income earning opportunities,rnaddressing food prices, improving urban infrastructure and social services, promoting urbanrnagriculture and the social capital, and rural development as strategies to enhance the accessibility ofrnfood for urban households.rnKey words: urban; household;food security; food insecurity; determinants;rnimpacts; coping strategies