Background: Depression is a common mental disorder that affects many elderly people. It is the commonest and the most reversible mental health problem in elderly people. It results an increased risk of suicide. The elderly people is neglected, their problems are overlooked and no efforts are made to mitigate their suffering. It is both underdiagnosed and undertreated in primary care settings. Objective: To assess the prevalence and associated factors of depression among elderly people in Womberma District, North West Ethiopia. Methods: A community based crossectional study was conducted from March 10/2020 - April 08/2020. From 2269 study population 959 study participants were selected by using computer generation method from selected kebeles. Geriatric depression scale item 15 was used to conduct face-to-face interview. The EPI data version 3.1software was used for data entry and statistical package for social science version 23 for analysis. Variables with p-value less than 0.20 in the bivariable analysis was entered to the multivariable analysis. Adjusted odds ratio with 95% confidence interval was reported and statistical significance was declared at P-values < 0.05. Results: The prevalence of depression among elderly people was found to be 45% [95% CI: 41.7% - 48.5%]. Being female [AOR = 1.60, 95% CI [(1.15-2.23)], (age >=75 years [AOR=7.95, 95% CI (4.98-12.68)], age 70-74 years. [AOR=5.52, 95% CI (3.52-8.66)], age 65-69 years [AOR=2.39,95% CI (1.54-3.70)]; divorced [AOR=2.53, 95% CI (1.59-4.03)], widowed [AOR=2.65, 95% CI (1.61-4.34)]; poor social support [AOR=3.32, 95% CI (1.77-6.23)] and known chronic disease [AOR=1.91, 95% CI (1.30-2.81)] were significantly associated with depression. Conclusion and recommendation: Forty-five percent of elderly people were found to be depressed, factors such as; age, female sex, divorced, widowed, known chronic disease and poor social support were significantly associated with depression. Better emphasis to the management of chronic physical illness like hypertension, diabetes mellitus and heart diseases for elderly people. Key words: Prevalence, Depression, Elderly people, Womberma District, Ethiopia.