The demand for animal products has grown up in North Sumatra Province, Indonesia. The livestock sector needs to expand and accommodate. Serdang Bedagai Regency is the potential area to develop sheep. The purpose of this study was to determine the potential of the resource area, and capacity to accommodate sheep as well as alternative strategies that can be used in the development of sheep. This research was conducted from February until April 2023 using the Stratified Sampling Method and Purposive Sampling Method. The sample area consists of the largest sheep population, such as Pantai Cermin and Pegajahan District, a moderate population in Serbajadi sub-district, and a low population, such as Sei Rampah and Kotarih sub-districts. The data had been collected by interviews with respondents. Descriptive analysis is used to examine the data. Location quotient, livestock density, feed concentration index, carrying capacity of plantation and agricultural waste, ability to expand ruminant livestock, and SWOT analysis were the parameters. Serdang Bedagai Regency exhibited potential for sheep expansion, according to the findings. Eight areas are sheeps development basis. The carrying capacity of sheep in Serdang Bedagai Regency is 413,342.15 AU. The right strategy and a priorityis the SO strategy.