{"zip":"57420","fiscal_year":"FY2027","unit":"USD per month, gross rent","source":{"file":"FY27_safmrs.xlsx","url":"https://www.huduser.gov/portal/datasets/fmr.html","retrieved":"2026-09-19"},"records":[{"area_code":"NCNTY46129N46129","area":"Walworth County, SD","safmr":[820,1020,1170,1440,1790],"ps90":[738,918,1053,1296,1611],"ps110":[902,1122,1287,1584,1969]}]}