Thyroid disorder is the second most endocrine disorder in India after Diabetes Mellitus. According to recent report 300 million people suffering from thyroid disorder across the world among them about 42 million are Indian people. There are various factors which affects the prevalence of thyroid disorder such as age, sex, genetic makeup, geographical structure, dietary pattern, and lifestyle and iodine intake. Jharkhand is still now an iodine deficient state, but here no more study done regarding the prevalence of thyroid disorder. Proportion of thyroid disorder is more common in females than male it was seen in various research study done in different states of the India so keep in mind above point a community based study done In Ranchi district of jharkhand.in this study we found that the prevalence of Hypothyroidism, subclinical hypothyroidism, hyperthyroidism and euthyroidism in both sexes are 5.5%, 11.5%, 1% and 81.5% respectively. Separately in female hypothyroidism, subclinical hypothyroidism, hyperthyroidism and euthyroidism are 4.5%, 8.5%, 1% and 35.5%, where as in male this rate is 2.5%, 3.5%, 0% and 44%. Weight gain, diarrhea, constipation, hair loss, irregular periods and miscarriage sign symptoms and complications seen in this study.