Background: Depression is regarded as the most common psychiatric illness among geriatric population. It accounts for more than half the psychiatric morbidity in Indian elderly. With the growing number of elderly in the Indian population, the burden of depression is going to be enormous on the society. Objectives: 1. To assess the magnitude of depression among the elderly population in the urban slum. 2. To determine factors associated with depression in elderly population. Methods: A Cross sectional community based study was conducted for duration of 3 months (sept __ampersandsignndash; Nov, 2012). People aged 60 years and above were included in the study. 150 geriatric people were approached by house to house visit in the urban slum Bashanagar, field practice area of SSIMS __ampersandsignamp; RC. Geriatric Depression Scale (GDS) was used to assess the depression. Socio demographic factors and the chronic Health morbidities were measured by responses to interview on questionnaires. Results: Prevalence of depression was 33%. All the respondents belonged to Muslim community. The mean age of the respondents was 65.7 __ampersandsignplusmn; 6.08, majority of them being in the age group of 60 __ampersandsignndash; 69 (74.7%). Majority of the respondents were females 105 (70%), illiterates (76%) __ampersandsignamp; not working group (65%). According to modified Kuppuswamy__ampersandsignrsquo;s classification 84% were belonging to lower socio economic class. About 56% were not receiving any form of social security pension. Greater portion of the respondents were living with their spouse (58%) and 73.3% were residing in non- joint family. 58% respondents were having cataract, in about 28% respondents mobility was affected. 14.7% had diabetes mellitus and 36% had hypertension. Conclusion: Depression was found to be high among Muslim elderly community. The factors like living without spouse, hypertension, mobility and non-joint family were significantly associated with depression.