Statistics & Facts The population of Manson is approximately 1,844. The approximate number of families is 834. The amount of land area in Manson is 8.27 sq. kilometers. The amount of surface water is 0 sq kilometers. The distance from Manson to Washington DC is 993 miles. The distance to the Iowa state capital is 81 miles. (as the crow flies) Manson is positioned 42.52 degrees north of the equator and 94.53 degrees west of the prime meridian.
