Try Niobrara Co., Wyoming. I don't have the census, but the database for 1930 has:
SHERMAN, Henry E., b. ca. 1876; May {sic}, 1881; Clifford, 1902; Reva E., 1910; & Inez B. CAGLEY, 1913.
With Reva TRYON, there were Boyd, b. ca. 1927, & Billie, 1929. With Inez CAGLEY, was Betty, b. ca. 1928.