Rancho Alegre is an unincorporated area and census-designated place in Jim Wells County, Texas, United States. The population was 1,415 at the 2020 census. Rancho Alegre is located in central Jim Wells County at 27°44′24″N 98°5′35″W / 27.74000°N 98.09306°W. It is bordered to the northeast by Alice, the county seat, and to the south by unincorporat…Rancho Alegre is an unincorporated area and census-designated place in Jim Wells County, Texas, United States. The population was 1,415 at the 2020 census. Rancho Alegre is located in central Jim Wells County at 27°44′24″N 98°5′35″W / 27.74000°N 98.09306°W. It is bordered to the northeast by Alice, the county seat, and to the south by unincorporated Alice Acres.