Business / Real Estate / Section(S): As used in the government survey method, a land area of one square mile, or 640 acres. A section is 1/36 of a township, or each township contains 36 sections. Sections are numbered 1 through 36. Section 1 is always in the northeast, or upper right-hand, corner. The numbering proceeds right to left to the upper left-hand corner. From there, the numbers drop down to the next tier and continue from left to right, then back from right to left.